<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.utc.com/role/AccountingPronouncements" xlink:href="utx-20140331.xsd#AccountingPronouncements" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AccountingPronouncementsDetails" xlink:href="utx-20140331.xsd#AccountingPronouncementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionDispositionsGoodwillAndOtherIntangibleAssetsGoodwillDetails" xlink:href="utx-20140331.xsd#AcquisitionDispositionsGoodwillAndOtherIntangibleAssetsGoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssets" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsAmortizationExpenseDetails" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsAmortizationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIaeCollaborationDetails" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIaeCollaborationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIntangibleAssetsDetails" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsTables" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsVariableInterestEntityDetails" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsVariableInterestEntityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsdetails" xlink:href="utx-20140331.xsd#AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsdetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/BorrowingAndLinesOfCreditNarrativeDetails" xlink:href="utx-20140331.xsd#BorrowingAndLinesOfCreditNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/BorrowingsAndLinesOfCredit" xlink:href="utx-20140331.xsd#BorrowingsAndLinesOfCredit" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/BorrowingsAndLinesOfCreditLongTermDebtDetails" xlink:href="utx-20140331.xsd#BorrowingsAndLinesOfCreditLongTermDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/BorrowingsAndLinesOfCreditShortTermBorrowingsDetails" xlink:href="utx-20140331.xsd#BorrowingsAndLinesOfCreditShortTermBorrowingsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/BorrowingsAndLinesOfCreditTables" xlink:href="utx-20140331.xsd#BorrowingsAndLinesOfCreditTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedBalanceSheet" xlink:href="utx-20140331.xsd#CondensedConsolidatedBalanceSheet" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementOfCashFlows" xlink:href="utx-20140331.xsd#CondensedConsolidatedStatementOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementOfComprehensiveIncome" xlink:href="utx-20140331.xsd#CondensedConsolidatedStatementOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ContingentLiabilities" xlink:href="utx-20140331.xsd#ContingentLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ContingentLiabilitiesDetails" xlink:href="utx-20140331.xsd#ContingentLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CreditQualityOfLongTermReceivables" xlink:href="utx-20140331.xsd#CreditQualityOfLongTermReceivables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CreditQualityOfLongTermReceivablesClassAndCreditRiskInformationDetails" xlink:href="utx-20140331.xsd#CreditQualityOfLongTermReceivablesClassAndCreditRiskInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CreditQualityOfLongTermReceivablesReserveAndAdditionalInformationDetails" xlink:href="utx-20140331.xsd#CreditQualityOfLongTermReceivablesReserveAndAdditionalInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/CreditQualityOfLongTermReceivablesTables" xlink:href="utx-20140331.xsd#CreditQualityOfLongTermReceivablesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/DiscontinuedOperations" xlink:href="utx-20140331.xsd#DiscontinuedOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsIncomeStatementInformationDetails" xlink:href="utx-20140331.xsd#DiscontinuedOperationsIncomeStatementInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsNarrativeDetails" xlink:href="utx-20140331.xsd#DiscontinuedOperationsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsTables" xlink:href="utx-20140331.xsd#DiscontinuedOperationsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/DocumentAndEntityInformation" xlink:href="utx-20140331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EarningsPerShare" xlink:href="utx-20140331.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EarningsPerShareDetails" xlink:href="utx-20140331.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EarningsPerShareTables" xlink:href="utx-20140331.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlans" xlink:href="utx-20140331.xsd#EmployeeBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlansDetails" xlink:href="utx-20140331.xsd#EmployeeBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlansTables" xlink:href="utx-20140331.xsd#EmployeeBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FairValueMeasurements" xlink:href="utx-20140331.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FairValueMeasurementsCommercialAerospaceFinancingCommitmentsDetails" xlink:href="utx-20140331.xsd#FairValueMeasurementsCommercialAerospaceFinancingCommitmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FairValueMeasurementsFairValueHierarchyClassificationDetails" xlink:href="utx-20140331.xsd#FairValueMeasurementsFairValueHierarchyClassificationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FairValueMeasurementsTables" xlink:href="utx-20140331.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstruments" xlink:href="utx-20140331.xsd#FinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsEffectOfForeignExchangeContractsNotDesignatedDetails" xlink:href="utx-20140331.xsd#FinancialInstrumentsEffectOfForeignExchangeContractsNotDesignatedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:href="utx-20140331.xsd#FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsImpactFromForeignExchangeDerivativeInstrumentsDetails" xlink:href="utx-20140331.xsd#FinancialInstrumentsImpactFromForeignExchangeDerivativeInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsNarrativeDetails" xlink:href="utx-20140331.xsd#FinancialInstrumentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsTables" xlink:href="utx-20140331.xsd#FinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/Guarantees" xlink:href="utx-20140331.xsd#Guarantees" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/GuaranteesDetails" xlink:href="utx-20140331.xsd#GuaranteesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/GuaranteesTables" xlink:href="utx-20140331.xsd#GuaranteesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/IncomeTaxes" xlink:href="utx-20140331.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/IncomeTaxesDetails" xlink:href="utx-20140331.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/IntroductionOfNotesToCondensedConsolidatedFinancialStatements" xlink:href="utx-20140331.xsd#IntroductionOfNotesToCondensedConsolidatedFinancialStatements" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/InventoriesAndContractsInProgress" xlink:href="utx-20140331.xsd#InventoriesAndContractsInProgress" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/InventoriesAndContractsInProgressDetails" xlink:href="utx-20140331.xsd#InventoriesAndContractsInProgressDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/InventoriesAndContractsInProgressTables" xlink:href="utx-20140331.xsd#InventoriesAndContractsInProgressTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/RestructuringAndOtherCosts" xlink:href="utx-20140331.xsd#RestructuringAndOtherCosts" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/RestructuringAndOtherCostsDetails" xlink:href="utx-20140331.xsd#RestructuringAndOtherCostsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/RestructuringAndOtherCostsTables" xlink:href="utx-20140331.xsd#RestructuringAndOtherCostsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/SegmentFinancialData" xlink:href="utx-20140331.xsd#SegmentFinancialData" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataNarrativeDetails" xlink:href="utx-20140331.xsd#SegmentFinancialDataNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataTableDetails" xlink:href="utx-20140331.xsd#SegmentFinancialDataTableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataTables" xlink:href="utx-20140331.xsd#SegmentFinancialDataTables" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterest" xlink:href="utx-20140331.xsd#ShareownersEquityAndNoncontrollingInterest" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestReclassAndChangesInAccumulatedOtherComprehensiveIncomeDetails" xlink:href="utx-20140331.xsd#ShareownersEquityAndNoncontrollingInterestReclassAndChangesInAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestSummaryOfChangesInShareownersEquityAndNoncontrollingInterestDetails" xlink:href="utx-20140331.xsd#ShareownersEquityAndNoncontrollingInterestSummaryOfChangesInShareownersEquityAndNoncontrollingInterestDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestTables" xlink:href="utx-20140331.xsd#ShareownersEquityAndNoncontrollingInterestTables" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <presentationLink xlink:role="http://www.utc.com/role/AccountingPronouncements" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_F3E3D5C810B4B7EA2CFD73D1997A6BF3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="loc_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_B0E3F16A257042E6E32673D1997AE92F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_F3E3D5C810B4B7EA2CFD73D1997A6BF3" xlink:to="loc_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_B0E3F16A257042E6E32673D1997AE92F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AccountingPronouncementsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_85586D8567D8BD40CCBA8F98FD689BB2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_5ED20F67275BD02C3D408F98FD6834D1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_85586D8567D8BD40CCBA8F98FD689BB2" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_5ED20F67275BD02C3D408F98FD6834D1" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_NewAccountingPronouncementsAxis" xlink:label="loc_utx_NewAccountingPronouncementsAxis_FFDA52A031CC831EF40B8F98FD68FCBF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_5ED20F67275BD02C3D408F98FD6834D1" xlink:to="loc_utx_NewAccountingPronouncementsAxis_FFDA52A031CC831EF40B8F98FD68FCBF" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_NewAccountingPronouncementsDomain" xlink:label="loc_utx_NewAccountingPronouncementsDomain_25E80A5DA64B85EE722D8F98FD681738" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NewAccountingPronouncementsAxis_FFDA52A031CC831EF40B8F98FD68FCBF" xlink:to="loc_utx_NewAccountingPronouncementsDomain_25E80A5DA64B85EE722D8F98FD681738" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ASUNo.201408Member" xlink:label="loc_utx_ASUNo.201408Member_7905759BFB82B83072EF8F99C597F9CE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NewAccountingPronouncementsDomain_25E80A5DA64B85EE722D8F98FD681738" xlink:to="loc_utx_ASUNo.201408Member_7905759BFB82B83072EF8F99C597F9CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_ECCD18C01AF246C7CD3E8F98FD68600F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_5ED20F67275BD02C3D408F98FD6834D1" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_ECCD18C01AF246C7CD3E8F98FD68600F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleDescription" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleDescription_9805BB04F93D89B6BE618F98FD68EB3E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_ECCD18C01AF246C7CD3E8F98FD68600F" xlink:to="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleDescription_9805BB04F93D89B6BE618F98FD68EB3E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionDispositionsGoodwillAndOtherIntangibleAssetsGoodwillDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_00D3C9C1978D698AEE9F73D199990290" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_FA742C93ED9203E66ED873D199996370" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_00D3C9C1978D698AEE9F73D199990290" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_FA742C93ED9203E66ED873D199996370" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_AF657C3DD792BF31A43273D19999AA7F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_FA742C93ED9203E66ED873D199996370" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_AF657C3DD792BF31A43273D19999AA7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_AF657C3DD792BF31A43273D19999AA7F" xlink:to="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtisMember" xlink:label="loc_utx_OtisMember_B7E4361FE0D1140991E173D19999DADC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_OtisMember_B7E4361FE0D1140991E173D19999DADC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCClimateControlsAndSecurityMember" xlink:label="loc_utx_UTCClimateControlsAndSecurityMember_D8DEF2C44C4413D973A473D19999B945" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_UTCClimateControlsAndSecurityMember_D8DEF2C44C4413D973A473D19999B945" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCAerospaceSystemsMember" xlink:label="loc_utx_UTCAerospaceSystemsMember_0AEC23469EDCF0B9BA8573D19999225E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_UTCAerospaceSystemsMember_0AEC23469EDCF0B9BA8573D19999225E" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PrattAndWhitneyMember" xlink:label="loc_utx_PrattAndWhitneyMember_D1B923FDE941F755EF1973D19999EE8E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_PrattAndWhitneyMember_D1B923FDE941F755EF1973D19999EE8E" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_SikorskyMember" xlink:label="loc_utx_SikorskyMember_ACA3114767E737EB49D073D19999784F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_SikorskyMember_ACA3114767E737EB49D073D19999784F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_TotalSegmentsMember" xlink:label="loc_utx_TotalSegmentsMember_9F77EC39085B33CE8BCD73D199997C9A" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_TotalSegmentsMember_9F77EC39085B33CE8BCD73D199997C9A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EliminationsAndOtherMember" xlink:label="loc_utx_EliminationsAndOtherMember_7CF288E25A2CC9EE776173D199991AA5" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_960589EF8BE6D6D26B9573D199998379" xlink:to="loc_utx_EliminationsAndOtherMember_7CF288E25A2CC9EE776173D199991AA5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_FA742C93ED9203E66ED873D199996370" xlink:to="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_3533C1FEF7E4A4E8E81373D19999ADF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:to="loc_us-gaap_Goodwill_3533C1FEF7E4A4E8E81373D19999ADF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_547504106E0CFCCC326F73D199992571" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_547504106E0CFCCC326F73D199992571" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_GoodwillTranslationAndOther" xlink:label="loc_utx_GoodwillTranslationAndOther_3EEDD7AC24609D1EF0AE73D1999998D2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:to="loc_utx_GoodwillTranslationAndOther_3EEDD7AC24609D1EF0AE73D1999998D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_E2C6007B542373E1EB0F73D1999967D1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_6A8543B5DCA52237D21173D199993D1C" xlink:to="loc_us-gaap_Goodwill_E2C6007B542373E1EB0F73D1999967D1" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssets" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_AF757D70A7BC388801E089DB4A4798F3" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_AcqusitionsDispositionsGoodwillAndOtherIntangibleAssetsTextBlock" xlink:label="loc_utx_AcqusitionsDispositionsGoodwillAndOtherIntangibleAssetsTextBlock_3945DA4C2CB090E09D9089DB4A56BCA6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_AF757D70A7BC388801E089DB4A4798F3" xlink:to="loc_utx_AcqusitionsDispositionsGoodwillAndOtherIntangibleAssetsTextBlock_3945DA4C2CB090E09D9089DB4A56BCA6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsAmortizationExpenseDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_48B9679FE4A4B0CFC02773D19A64D59F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_48B9679FE4A4B0CFC02773D19A64D59F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_9A38BB503E3B4AEE98AF73D19A64BDF3" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_9A38BB503E3B4AEE98AF73D19A64BDF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0E3767B33D5C0598E99273D19A64766E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0E3767B33D5C0598E99273D19A64766E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EF85B74DDE12C4F841AF73D19A6421BF" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EF85B74DDE12C4F841AF73D19A6421BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_CF96036FFF133FBE563573D19A647512" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_CF96036FFF133FBE563573D19A647512" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_632D580653C18A0D72A173D19A646E7A" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_03F5F99B644F818E38EE73D19A64B890" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_632D580653C18A0D72A173D19A646E7A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIaeCollaborationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_CF68C3AC1E57D97949128EF0821B403E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_51C06F2809419868DCD58EF0821B5A3C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_CF68C3AC1E57D97949128EF0821B403E" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_51C06F2809419868DCD58EF0821B5A3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_48637BB290149031245E8EF0821B89EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_51C06F2809419868DCD58EF0821B5A3C" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_48637BB290149031245E8EF0821B89EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_16BFEAC212E7A51081B58EF0821B2D01" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_48637BB290149031245E8EF0821B89EB" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_16BFEAC212E7A51081B58EF0821B2D01" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_InternationalAeroEnginesAGMember" xlink:label="loc_utx_InternationalAeroEnginesAGMember_186AEE8EDC723F9D530F8EF0821B5AD7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_16BFEAC212E7A51081B58EF0821B2D01" xlink:to="loc_utx_InternationalAeroEnginesAGMember_186AEE8EDC723F9D530F8EF0821B5AD7" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_IAECollaborationMember" xlink:label="loc_utx_IAECollaborationMember_D9EEF775B7E001B5E12C8EF0821B8BD8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_16BFEAC212E7A51081B58EF0821B2D01" xlink:to="loc_utx_IAECollaborationMember_D9EEF775B7E001B5E12C8EF0821B8BD8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2602F9911A1DD42678678EF0821B63D1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_51C06F2809419868DCD58EF0821B5A3C" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2602F9911A1DD42678678EF0821B63D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_57FB217907B60B99BAAF8EF0821B258F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2602F9911A1DD42678678EF0821B63D1" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_57FB217907B60B99BAAF8EF0821B258F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_53CE19969B09C66D1EDA84B6DE2DB39B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9C431356F345779F2B0C84B6DE2D9E63" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_53CE19969B09C66D1EDA84B6DE2DB39B" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9C431356F345779F2B0C84B6DE2D9E63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_1C1DB57BA9BB360090BB84B6DE2D6F94" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_53CE19969B09C66D1EDA84B6DE2DB39B" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_1C1DB57BA9BB360090BB84B6DE2D6F94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_E8636AB6993A926927F184B6DE2D8A08" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_53CE19969B09C66D1EDA84B6DE2DB39B" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_E8636AB6993A926927F184B6DE2D8A08" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A8D62A118475BAC7705D84B6DE2D84D3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_53CE19969B09C66D1EDA84B6DE2DB39B" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A8D62A118475BAC7705D84B6DE2D84D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BE9B55BAB2C952D4E96A84B6DE2D8C8D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A8D62A118475BAC7705D84B6DE2D84D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BE9B55BAB2C952D4E96A84B6DE2D8C8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_BE9B55BAB2C952D4E96A84B6DE2D8C8D" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ServiceAgreementsMember" xlink:label="loc_us-gaap_ServiceAgreementsMember_69EE7BE8A45D8B063ED284B6DE2D5325" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:to="loc_us-gaap_ServiceAgreementsMember_69EE7BE8A45D8B063ED284B6DE2D5325" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PatentsAndTrademarksMember" xlink:label="loc_utx_PatentsAndTrademarksMember_B8CC56DDC7BA432FE17184B6DE2D915D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:to="loc_utx_PatentsAndTrademarksMember_B8CC56DDC7BA432FE17184B6DE2D915D" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CollaborationMember" xlink:label="loc_utx_CollaborationMember_3AE827B551412C82C8A384B6DE372BFE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:to="loc_utx_CollaborationMember_3AE827B551412C82C8A384B6DE372BFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_DCF1415680592CA8BA9E84B6DE37DBF3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69F14F0D7BEE333C028B84B6DE2DD8FB" xlink:to="loc_us-gaap_CustomerRelationshipsMember_DCF1415680592CA8BA9E84B6DE37DBF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_B8DCFE103A2C6B3AB9AE84B6DE37A63F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A8D62A118475BAC7705D84B6DE2D84D3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_B8DCFE103A2C6B3AB9AE84B6DE37A63F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_3A56AC30EDFB5A8BD9ED84B6DE378BD7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_B8DCFE103A2C6B3AB9AE84B6DE37A63F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_3A56AC30EDFB5A8BD9ED84B6DE378BD7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7AB5A9B51E2AFC1D91B884B6DE379B55" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_B8DCFE103A2C6B3AB9AE84B6DE37A63F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_7AB5A9B51E2AFC1D91B884B6DE379B55" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_024E25F4351C710DA1D28A07000E3062" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_6A5DBC851C16A0F909B58A07000EFA32" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_024E25F4351C710DA1D28A07000E3062" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_6A5DBC851C16A0F909B58A07000EFA32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_CF858472D11E894875488A07000EA8A1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_024E25F4351C710DA1D28A07000E3062" xlink:to="loc_us-gaap_ScheduleOfGoodwillTextBlock_CF858472D11E894875488A07000EA8A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_5EA79FF56E93155663508A07000EBD13" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_024E25F4351C710DA1D28A07000E3062" xlink:to="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_5EA79FF56E93155663508A07000EBD13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_9C4147735A0B53E047238A07000EE142" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_024E25F4351C710DA1D28A07000E3062" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_9C4147735A0B53E047238A07000EE142" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsVariableInterestEntityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_F6E348DC1D9059FD2A8B8A2C60840A45" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_680D1DE7449A23C0ED608A2C6094787D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_F6E348DC1D9059FD2A8B8A2C60840A45" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_680D1DE7449A23C0ED608A2C6094787D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_8D2E2D7F22B1F5FBA9438A2C60940BCC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_680D1DE7449A23C0ED608A2C6094787D" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_8D2E2D7F22B1F5FBA9438A2C60940BCC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2DFE9C1C10B8617343A38A2C6094DE8A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_8D2E2D7F22B1F5FBA9438A2C60940BCC" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2DFE9C1C10B8617343A38A2C6094DE8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_680D1DE7449A23C0ED608A2C6094787D" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_VariableInterestEntityConsolidatedCarryingAmountCurrentAssets" xlink:label="loc_utx_VariableInterestEntityConsolidatedCarryingAmountCurrentAssets_ABAB902F6DEC5CBBC2CD8A2C60943F1B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_utx_VariableInterestEntityConsolidatedCarryingAmountCurrentAssets_ABAB902F6DEC5CBBC2CD8A2C60943F1B" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentAssets" xlink:label="loc_utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentAssets_480FE27749742B57961E8A2C609402AC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentAssets_480FE27749742B57961E8A2C609402AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_0278279800A3840BDB3E8A2C6094368F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_0278279800A3840BDB3E8A2C6094368F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities" xlink:label="loc_utx_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_B4C408016460833AB8448A2C60948C40" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_utx_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_B4C408016460833AB8448A2C60948C40" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentLiabilities" xlink:label="loc_utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentLiabilities_067EAE38628941DE21E58A2C609410A0" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_utx_VariableInterestEntityConsolidatedCarryingAmountNoncurrentLiabilities_067EAE38628941DE21E58A2C609410A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_4283285C042CBC7F7F968A2C6094140C" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_523F56445B7180FFCA468A2C609409DB" xlink:to="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_4283285C042CBC7F7F968A2C6094140C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillAndOtherIntangibleAssetsdetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_017167F5C4DE4AEEB68F8EFDE92D05BD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B2904A8931E783330B498EEADBB0F5F2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_017167F5C4DE4AEEB68F8EFDE92D05BD" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B2904A8931E783330B498EEADBB0F5F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_AAA1FEBC1976A9BF1ABF8EEADBB06E8C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B2904A8931E783330B498EEADBB0F5F2" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_AAA1FEBC1976A9BF1ABF8EEADBB06E8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F8DDC1F6F314F62613848EEADBB0D306" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_AAA1FEBC1976A9BF1ABF8EEADBB06E8C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F8DDC1F6F314F62613848EEADBB0D306" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_A9BA322A4911BE39B4968EEADBB054A6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B2904A8931E783330B498EEADBB0F5F2" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_A9BA322A4911BE39B4968EEADBB054A6" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_AcquisitionCostOfAcquiredEntitiesAndInterestInAffiliates" xlink:label="loc_utx_AcquisitionCostOfAcquiredEntitiesAndInterestInAffiliates_B4506AB8A24C261CC7488EEADBB0EF1E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_A9BA322A4911BE39B4968EEADBB054A6" xlink:to="loc_utx_AcquisitionCostOfAcquiredEntitiesAndInterestInAffiliates_B4506AB8A24C261CC7488EEADBB0EF1E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/BorrowingAndLinesOfCreditNarrativeDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_7447E0427854A142991473D19A83D960" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_BDE7DE90D218000FC12C73D19A830FE6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_7447E0427854A142991473D19A83D960" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_BDE7DE90D218000FC12C73D19A830FE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_24C8EB46C31F12FDF84773D19A831F3D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_BDE7DE90D218000FC12C73D19A830FE6" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_24C8EB46C31F12FDF84773D19A831F3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_1297E5F95AE9516F707B73D19A836C00" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_24C8EB46C31F12FDF84773D19A831F3D" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_1297E5F95AE9516F707B73D19A836C00" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RevolvingCreditAgreementMember" xlink:label="loc_utx_RevolvingCreditAgreementMember_2E30423738453D57840773D19A83264F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1297E5F95AE9516F707B73D19A836C00" xlink:to="loc_utx_RevolvingCreditAgreementMember_2E30423738453D57840773D19A83264F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_MultiCurrencyRevolvingCreditAgreementMember" xlink:label="loc_utx_MultiCurrencyRevolvingCreditAgreementMember_C155A89498BC54CB16DD73D19A839E9B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_1297E5F95AE9516F707B73D19A836C00" xlink:to="loc_utx_MultiCurrencyRevolvingCreditAgreementMember_C155A89498BC54CB16DD73D19A839E9B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_BDE7DE90D218000FC12C73D19A830FE6" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7236D7AAC53A004E872973D19A83D516" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7236D7AAC53A004E872973D19A83D516" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_BF4A9F4D782D84A6048A73D19A8344F3" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:to="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_BF4A9F4D782D84A6048A73D19A8344F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_86F57FB93D037E4D3B6E73D19A83ACCD" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_86F57FB93D037E4D3B6E73D19A83ACCD" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity_D8724EA09D56D5B5783B73D19A8358E0" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:to="loc_utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity_D8724EA09D56D5B5783B73D19A8358E0" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_MaximumCommercialPaperBorrowingAuthority" xlink:label="loc_utx_MaximumCommercialPaperBorrowingAuthority_C8BF2CC5377CB0B354EB73D19A83A2C4" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BFBAB02323ED9842B12B73D19A837BCE" xlink:to="loc_utx_MaximumCommercialPaperBorrowingAuthority_C8BF2CC5377CB0B354EB73D19A83A2C4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/BorrowingsAndLinesOfCredit" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FCFC2DC63DA8249B9AF673D19A831EBE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_A61AE7F34B180184844473D19A8320B0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FCFC2DC63DA8249B9AF673D19A831EBE" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_A61AE7F34B180184844473D19A8320B0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/BorrowingsAndLinesOfCreditLongTermDebtDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_B36E56D60624C31108578F5B925A372B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_us-gaap_OtherLongTermDebt_B36E56D60624C31108578F5B925A372B" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PrincipalLongTermDebt" xlink:label="loc_utx_PrincipalLongTermDebt_0404E8667994F7E5E20C8F5B925AFD93" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_utx_PrincipalLongTermDebt_0404E8667994F7E5E20C8F5B925AFD93" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtherLongTermDebtFairMarketValueAdjustments" xlink:label="loc_utx_OtherLongTermDebtFairMarketValueAdjustments_DF394376994FC1EF6EED8F5B925A7296" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_utx_OtherLongTermDebtFairMarketValueAdjustments_DF394376994FC1EF6EED8F5B925A7296" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_EC3376E42ABA763BCE138F5B925A4130" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_us-gaap_LongTermDebt_EC3376E42ABA763BCE138F5B925A4130" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_502D65569DA59684D1D98F5B925A68D5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_502D65569DA59684D1D98F5B925A68D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EBDD9EE148D251EA13D38F5B925AE318" xlink:to="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_054AF422D1F4BD3DE58F8F5B925AEE67" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:to="loc_us-gaap_DebtInstrumentAxis_054AF422D1F4BD3DE58F8F5B925AEE67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_054AF422D1F4BD3DE58F8F5B925AEE67" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LIBORPlus0500FloatingRateNotesDue2015Member" xlink:label="loc_utx_LIBORPlus0500FloatingRateNotesDue2015Member_DB75FBBD425A00D943668F5B925AF376" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_LIBORPlus0500FloatingRateNotesDue2015Member_DB75FBBD425A00D943668F5B925AF376" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes4875Due2015Member" xlink:label="loc_utx_Notes4875Due2015Member_0490396BD68C588F96D68F5B925A9624" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes4875Due2015Member_0490396BD68C588F96D68F5B925A9624" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6290Due2016Member" xlink:label="loc_utx_Notes6290Due2016Member_3E69E9820A13F9C4CA228F5B925AE45A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6290Due2016Member_3E69E9820A13F9C4CA228F5B925AE45A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes5375Due2017Member" xlink:label="loc_utx_Notes5375Due2017Member_83F5A3DF9A8CAA8D33DB8F5B925A3444" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes5375Due2017Member_83F5A3DF9A8CAA8D33DB8F5B925A3444" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes1800Due2017Member" xlink:label="loc_utx_Notes1800Due2017Member_666A46230573A87F89BE8F5B925AA8FF" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes1800Due2017Member_666A46230573A87F89BE8F5B925AA8FF" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6800Due2018Member" xlink:label="loc_utx_Notes6800Due2018Member_D37EEAE1B2F7BB77C4CA8F5B925AC005" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6800Due2018Member_D37EEAE1B2F7BB77C4CA8F5B925AC005" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6125Due2019Member" xlink:label="loc_utx_Notes6125Due2019Member_65175A91AE9E26ECD5638F5B925AECB6" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6125Due2019Member_65175A91AE9E26ECD5638F5B925AECB6" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes8875Due2019Member" xlink:label="loc_utx_Notes8875Due2019Member_7DF7036F75EA734BA2898F5B925A8A9C" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes8875Due2019Member_7DF7036F75EA734BA2898F5B925A8A9C" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes4500Due2020Member" xlink:label="loc_utx_Notes4500Due2020Member_AEE565A96528F3E8DA4C8F5B925A74F3" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes4500Due2020Member_AEE565A96528F3E8DA4C8F5B925A74F3" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes4875Due2020Member" xlink:label="loc_utx_Notes4875Due2020Member_D2999744297D0203BC458F5B925AEE7B" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes4875Due2020Member_D2999744297D0203BC458F5B925AEE7B" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes8750Due2021Member" xlink:label="loc_utx_Notes8750Due2021Member_BD54569C0B41530A8DD78F5B925ABB62" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes8750Due2021Member_BD54569C0B41530A8DD78F5B925ABB62" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes3100Due2022Member" xlink:label="loc_utx_Notes3100Due2022Member_BBBE341C8908623A5BC58F5B925A35BA" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes3100Due2022Member_BBBE341C8908623A5BC58F5B925A35BA" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_JuniorSubordinatedNotes1550Due2022Member" xlink:label="loc_utx_JuniorSubordinatedNotes1550Due2022Member_368200972C85BAC8F7CF8F5B925A5ECF" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_JuniorSubordinatedNotes1550Due2022Member_368200972C85BAC8F7CF8F5B925A5ECF" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes7100Due2027Member" xlink:label="loc_utx_Notes7100Due2027Member_D55546E0CC9637AB203A8F5B925A4F8E" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes7100Due2027Member_D55546E0CC9637AB203A8F5B925A4F8E" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6700Due2028Member" xlink:label="loc_utx_Notes6700Due2028Member_AF4D963EC9EC1A5C48BE8F5B925AC033" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6700Due2028Member_AF4D963EC9EC1A5C48BE8F5B925AC033" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes7500Due2029Member" xlink:label="loc_utx_Notes7500Due2029Member_BFAE0B2D274D0173CBED8F5B925A788A" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes7500Due2029Member_BFAE0B2D274D0173CBED8F5B925A788A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes5400Due2035Member" xlink:label="loc_utx_Notes5400Due2035Member_FCE4D1DB5FE223C1988C8F5B925A007C" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes5400Due2035Member_FCE4D1DB5FE223C1988C8F5B925A007C" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6050Due2036Member" xlink:label="loc_utx_Notes6050Due2036Member_BC289AAB0425FC1FD4568F5B925AC425" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6050Due2036Member_BC289AAB0425FC1FD4568F5B925AC425" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6800Due2036Member" xlink:label="loc_utx_Notes6800Due2036Member_8E1EF6F75AE90EFE657E8F5B925A5703" xlink:type="locator" />
    <presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6800Due2036Member_8E1EF6F75AE90EFE657E8F5B925A5703" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes7000Due2038Member" xlink:label="loc_utx_Notes7000Due2038Member_2D29E273DF73DD7E75808F5B925ACBD3" xlink:type="locator" />
    <presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes7000Due2038Member_2D29E273DF73DD7E75808F5B925ACBD3" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes6125Due2038Member" xlink:label="loc_utx_Notes6125Due2038Member_3FCD549D97833B4D67898F5B925AACE4" xlink:type="locator" />
    <presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes6125Due2038Member_3FCD549D97833B4D67898F5B925AACE4" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes5700Due2040Member" xlink:label="loc_utx_Notes5700Due2040Member_9BD397F7425C68C5FEF88F5B925A00E2" xlink:type="locator" />
    <presentationArc order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes5700Due2040Member_9BD397F7425C68C5FEF88F5B925A00E2" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_Notes4500Due2042Member" xlink:label="loc_utx_Notes4500Due2042Member_1399CDAC1F198C8E17178F5B925AFBE5" xlink:type="locator" />
    <presentationArc order="23" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_200A83CE1D9DCF9E007D8F5B925AB2DD" xlink:to="loc_utx_Notes4500Due2042Member_1399CDAC1F198C8E17178F5B925AFBE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAxis_CC23DE17940124A168C28F5B925A3C9A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAxis_CC23DE17940124A168C28F5B925A3C9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_E7E66EE16A05E6AD97328F5B925A18A6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAxis_CC23DE17940124A168C28F5B925A3C9A" xlink:to="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_E7E66EE16A05E6AD97328F5B925A18A6" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ExtinguishmentofDebtActionsAxis" xlink:label="loc_utx_ExtinguishmentofDebtActionsAxis_DF038C405879BAF0A9B18F5B925ABC15" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:to="loc_utx_ExtinguishmentofDebtActionsAxis_DF038C405879BAF0A9B18F5B925ABC15" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ExtinguishmentOfDebtActionsDomain" xlink:label="loc_utx_ExtinguishmentOfDebtActionsDomain_30816C2C1356FE89D5478F5B925A0E94" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ExtinguishmentofDebtActionsAxis_DF038C405879BAF0A9B18F5B925ABC15" xlink:to="loc_utx_ExtinguishmentOfDebtActionsDomain_30816C2C1356FE89D5478F5B925A0E94" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_April2014RedemptionCallMemberDomain" xlink:label="loc_utx_April2014RedemptionCallMemberDomain_2D11493A1BD1FCFA1A6A8F77EC2A2B58" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ExtinguishmentOfDebtActionsDomain_30816C2C1356FE89D5478F5B925A0E94" xlink:to="loc_utx_April2014RedemptionCallMemberDomain_2D11493A1BD1FCFA1A6A8F77EC2A2B58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_0E8C9F276F7C085B24E18F5B925A93CA" xlink:to="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_93F5B26535D9CD06EE7F8F5B925A7F8F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_93F5B26535D9CD06EE7F8F5B925A7F8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_398D20A4EEE5ECE4019C8F5B925A0DF1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_398D20A4EEE5ECE4019C8F5B925A0DF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsDate" xlink:label="loc_us-gaap_SubsequentEventsDate_8E53D559CA82B5ED07E08F5B925A7554" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_SubsequentEventsDate_8E53D559CA82B5ED07E08F5B925A7554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCallFeature" xlink:label="loc_us-gaap_DebtInstrumentCallFeature_B836A8FCEA618857C7AE8F5B925A4C55" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_DebtInstrumentCallFeature_B836A8FCEA618857C7AE8F5B925A4C55" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_DD9754F248E3AA77DC5D8F5B925A2CA1" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_DD9754F248E3AA77DC5D8F5B925A2CA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_AA258488AAE00E0E3D068F5B925A7B50" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_AA258488AAE00E0E3D068F5B925A7B50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLoansPayable" xlink:label="loc_us-gaap_OtherLoansPayable_DBFE3AC9EF631DF0DDD58F5B925AE8D8" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_OtherLoansPayable_DBFE3AC9EF631DF0DDD58F5B925AE8D8" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DebtInstrumentLondonInterbankOfferedRate" xlink:label="loc_utx_DebtInstrumentLondonInterbankOfferedRate_9AA08FF8A40395E6ABA88F5B925A3115" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_utx_DebtInstrumentLondonInterbankOfferedRate_9AA08FF8A40395E6ABA88F5B925A3115" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateTerms" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms_1CFF4035A043FCEC27098F5B925AD656" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BC448321556E8A5FCBFF8F5B925AF624" xlink:to="loc_us-gaap_DebtInstrumentInterestRateTerms_1CFF4035A043FCEC27098F5B925AD656" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/BorrowingsAndLinesOfCreditShortTermBorrowingsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6D2693EB14508638EB0273D19A06B761" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommercialPaper" xlink:label="loc_us-gaap_CommercialPaper_87C7DCF76EC699E6A96773D19A0678E1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6D2693EB14508638EB0273D19A06B761" xlink:to="loc_us-gaap_CommercialPaper_87C7DCF76EC699E6A96773D19A0678E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherShortTermBorrowings" xlink:label="loc_us-gaap_OtherShortTermBorrowings_73DA0E0B13CEE3324B1273D19A06B169" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6D2693EB14508638EB0273D19A06B761" xlink:to="loc_us-gaap_OtherShortTermBorrowings_73DA0E0B13CEE3324B1273D19A06B169" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_C15A2C70C38ADD50CF0C73D19A0674C0" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6D2693EB14508638EB0273D19A06B761" xlink:to="loc_us-gaap_ShortTermBorrowings_C15A2C70C38ADD50CF0C73D19A0674C0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/BorrowingsAndLinesOfCreditTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_2A45A87B19D8C41482D58EE81F36DC6B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_2A45A87B19D8C41482D58EE81F36DC6B" xlink:to="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_D3E95207D3C646F453338F45958400AC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_D3E95207D3C646F453338F45958400AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_91DD2BD53889988277DE8F45958413F4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_D3E95207D3C646F453338F45958400AC" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_91DD2BD53889988277DE8F45958413F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_3E1FFA3F20AE1980303B8F459584A46F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:to="loc_us-gaap_DebtInstrumentAxis_3E1FFA3F20AE1980303B8F459584A46F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_82070783FD9DF2B730FF8F4595847610" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_3E1FFA3F20AE1980303B8F459584A46F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_82070783FD9DF2B730FF8F4595847610" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_F45918FB7BB4176D29138F4595841F9D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:to="loc_us-gaap_VariableRateAxis_F45918FB7BB4176D29138F4595841F9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_76DD340D2DA4E6686CD98F459584B833" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_F45918FB7BB4176D29138F4595841F9D" xlink:to="loc_us-gaap_VariableRateDomain_76DD340D2DA4E6686CD98F459584B833" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ABAC921EB77810077CA58F459584ABAA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ABAC921EB77810077CA58F459584ABAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_D2693A2CA1D4A45BF4388F459584BC5D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ABAC921EB77810077CA58F459584ABAA" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_D2693A2CA1D4A45BF4388F459584BC5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D26FFF865643A6E14B468F4595842B5A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_93526CEAEDD34C78B1D88F459584F327" xlink:to="loc_us-gaap_DebtInstrumentLineItems_D26FFF865643A6E14B468F4595842B5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_E268179081A119AD5EB48F4595D2C08F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D26FFF865643A6E14B468F4595842B5A" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_E268179081A119AD5EB48F4595D2C08F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermDebtTextBlock" xlink:label="loc_us-gaap_ShortTermDebtTextBlock_7244380CBFDA76FA47BC8EE81F3635EE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_2A45A87B19D8C41482D58EE81F36DC6B" xlink:to="loc_us-gaap_ShortTermDebtTextBlock_7244380CBFDA76FA47BC8EE81F3635EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_84DB74226BE50D5B3F9E8EE81F36EE00" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_2A45A87B19D8C41482D58EE81F36DC6B" xlink:to="loc_us-gaap_LongTermDebtTextBlock_84DB74226BE50D5B3F9E8EE81F36EE00" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedBalanceSheet" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_TopElement00002StatementCondensedConsolidatedBalanceSheet" xlink:label="loc_utx_TopElement00002StatementCondensedConsolidatedBalanceSheet_6A545F0A79ADF717B53695420C123960" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_CFB96F6A097A3BAFD72E95420C12F70D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_TopElement00002StatementCondensedConsolidatedBalanceSheet_6A545F0A79ADF717B53695420C123960" xlink:to="loc_us-gaap_StatementOfFinancialPositionAbstract_CFB96F6A097A3BAFD72E95420C12F70D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_CFB96F6A097A3BAFD72E95420C12F70D" xlink:to="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_7B6BD450816C930A37CC95420C12DE1A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_7B6BD450816C930A37CC95420C12DE1A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_D5BE55B9CE990F24F4CC95420C1297B5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_ReceivablesNetCurrent_D5BE55B9CE990F24F4CC95420C1297B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_57CC47160126816C0E7095420C12118A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_InventoryNet_57CC47160126816C0E7095420C12118A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_2BC2866F9DD9DE5846BD95420C12ECD6" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_2BC2866F9DD9DE5846BD95420C12ECD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_FA9FFCC0659E25BFFA8B95420C1275B3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_OtherAssetsCurrent_FA9FFCC0659E25BFFA8B95420C1275B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_ED44213AA9B0D37B290995420C129364" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_AssetsCurrent_ED44213AA9B0D37B290995420C129364" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CustomerFinancingAssets" xlink:label="loc_utx_CustomerFinancingAssets_167F90694E23D060ACBF95420C12B37B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_utx_CustomerFinancingAssets_167F90694E23D060ACBF95420C12B37B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_4BC990C7D6FAF4BAE8A195420C12681A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_4BC990C7D6FAF4BAE8A195420C12681A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_F687FE72182DA71119DC95420C125B25" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_F687FE72182DA71119DC95420C125B25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_31094D8F78FC34CD627895420C12D418" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_31094D8F78FC34CD627895420C12D418" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_3309822A713A492D8FF895420C12DB98" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_3309822A713A492D8FF895420C12DB98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_ABEC8938B45D6B3EFB1E95420C124783" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_Goodwill_ABEC8938B45D6B3EFB1E95420C124783" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_035256F6E0F56ADDC30E95420C12852F" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_035256F6E0F56ADDC30E95420C12852F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4BA136353FB89B7EA37095420C12137B" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4BA136353FB89B7EA37095420C12137B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_03F25B0678B40646D8CC95420C122893" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_09FAE4F505EECCFF1B1995420C12DED1" xlink:to="loc_us-gaap_Assets_03F25B0678B40646D8CC95420C122893" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_CFB96F6A097A3BAFD72E95420C12F70D" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_09801B2BDF5BACCBF81995420C12C1E0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_ShortTermBorrowings_09801B2BDF5BACCBF81995420C12C1E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_ACC8296F4EB910B50CF395420C1246F1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_AccountsPayableCurrent_ACC8296F4EB910B50CF395420C1246F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_1EBDD9CF528580B8FEFB95420C129ACB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_1EBDD9CF528580B8FEFB95420C129ACB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_46393B6AC7C810B9263195420C121972" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_46393B6AC7C810B9263195420C121972" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_A00C08CDFE92810B4EC595420C1281F3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_LiabilitiesCurrent_A00C08CDFE92810B4EC595420C1281F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_45D71F7FE31A2F50AD0295420C124C4E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_45D71F7FE31A2F50AD0295420C124C4E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_F062216E54602B60552595420C12E05D" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_F062216E54602B60552595420C12E05D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_59B18F5E5AF552C7A82A95420C127EEC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_59B18F5E5AF552C7A82A95420C127EEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_A8C5F19AA78A7F667D4A95420C1263A8" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_Liabilities_A8C5F19AA78A7F667D4A95420C1263A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_43D67E7CADCD90E753E995420C1228E9" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_CommitmentsAndContingencies_43D67E7CADCD90E753E995420C1228E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TemporaryEquityRedemptionValue" xlink:label="loc_us-gaap_TemporaryEquityRedemptionValue_866B57052FE0B716688F95420C125ED4" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_TemporaryEquityRedemptionValue_866B57052FE0B716688F95420C125ED4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_875B7819A0CE81E3773495420C124076" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_875B7819A0CE81E3773495420C124076" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_8AB066CFAC77A5F0875095420C127A30" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_TreasuryStockValue_8AB066CFAC77A5F0875095420C127A30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_19EE6F29F40FD92C7B1C95420C12C77E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_19EE6F29F40FD92C7B1C95420C12C77E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnearnedESOPShares" xlink:label="loc_us-gaap_UnearnedESOPShares_AD4F8DD2A38BD25B923E95420C1200A2" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_UnearnedESOPShares_AD4F8DD2A38BD25B923E95420C1200A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8074CB1733DCCE55FACA95420C12F7F4" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8074CB1733DCCE55FACA95420C12F7F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_F39CE727D9E0F903DF0A95420C1276E5" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_50266040AB4E8B24856995420C1270EE" xlink:to="loc_us-gaap_StockholdersEquity_F39CE727D9E0F903DF0A95420C1276E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_048A9DE7ADD991FB8F9995420C1269D6" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_MinorityInterest_048A9DE7ADD991FB8F9995420C1269D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_C687DE28231B733B7C0D95420C125041" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_C687DE28231B733B7C0D95420C125041" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_99C555331C7DC93166AD95420C12D64E" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_48A99B8903350440A53195420C12048F" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_99C555331C7DC93166AD95420C12D64E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementOfCashFlows" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_TopElement00003StatementCondensedConsolidatedStatementOfCashFlows" xlink:label="loc_utx_TopElement00003StatementCondensedConsolidatedStatementOfCashFlows_9E024D3AAAD6958B7DAF84FBFB40F8D3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_TopElement00003StatementCondensedConsolidatedStatementOfCashFlows_9E024D3AAAD6958B7DAF84FBFB40F8D3" xlink:to="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_B5244A2FED127DB865AC84FBFB4141A2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_B5244A2FED127DB865AC84FBFB4141A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_A043AF4406F1B79ABF4B84FBFB41372E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_A043AF4406F1B79ABF4B84FBFB41372E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3E0A7D0B5355BCC3ABC984FBFB414369" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3E0A7D0B5355BCC3ABC984FBFB414369" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_A57C93BBEAAB2C64D0EB84FBFB41E45B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:to="loc_us-gaap_ShareBasedCompensation_A57C93BBEAAB2C64D0EB84FBFB41E45B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_BAD75C3DBE5D0CBF06B184FBFB41207C" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_674A5ACDDE991921256F84FBFB41CBD4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_674A5ACDDE991921256F84FBFB41CBD4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_1646A533DB3E76F2812884FBFB47D5FE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_1646A533DB3E76F2812884FBFB47D5FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_840027D95E8729A2754F84FBFB479756" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_840027D95E8729A2754F84FBFB479756" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_187FB9C4571702E425D784FBFB47289F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4E92FF3F93E1AF70874B84FBFB41F10A" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_187FB9C4571702E425D784FBFB47289F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionContributions" xlink:label="loc_us-gaap_PensionContributions_17D6809CF24B702C973D84FBFB47EC30" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:to="loc_us-gaap_PensionContributions_17D6809CF24B702C973D84FBFB47EC30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_DA59175C1D6F3EE87F4E84FBFB47DC66" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_DA59175C1D6F3EE87F4E84FBFB47DC66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B4A205A7EE1838C4AE0C84FBFB479C33" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_48D4AC527586D0B271EA84FBFB41E107" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_B4A205A7EE1838C4AE0C84FBFB479C33" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_B51B8B8523F52586397C84FBFB47008C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_B51B8B8523F52586397C84FBFB47008C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_407CA93B2BBF2CAB637184FBFB474D15" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_407CA93B2BBF2CAB637184FBFB474D15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_A5B92FF9CC318BE7A5B484FBFB47B2F0" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_A5B92FF9CC318BE7A5B484FBFB47B2F0" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_IncreaseDecreaseInCustomerFinancingAssets" xlink:label="loc_utx_IncreaseDecreaseInCustomerFinancingAssets_4E6F8ECBB7650D8AFC9B84FBFB47C2F7" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_utx_IncreaseDecreaseInCustomerFinancingAssets_4E6F8ECBB7650D8AFC9B84FBFB47C2F7" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_IncreasedDecreaseInCollaborationIntangibles" xlink:label="loc_utx_IncreasedDecreaseInCollaborationIntangibles_87F3B97F5D010ACCD8CA84FBFB48EE0A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_utx_IncreasedDecreaseInCollaborationIntangibles_87F3B97F5D010ACCD8CA84FBFB48EE0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_D3D84D804B093683312A84FBFB48D168" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_D3D84D804B093683312A84FBFB48D168" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A133CC4126264EC4F3AA84FBFB48379C" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_E7B57AEF57EAAF5C37E084FBFB470B05" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_A133CC4126264EC4F3AA84FBFB48379C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities_F23963E54264919ADC9084FBFB48225F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities_F23963E54264919ADC9084FBFB48225F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_AE36060913000C04995884FBFB4844D8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_AE36060913000C04995884FBFB4844D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromStockPlans" xlink:label="loc_us-gaap_ProceedsFromStockPlans_16AA73AE096D73E399EA84FBFB487DBB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_ProceedsFromStockPlans_16AA73AE096D73E399EA84FBFB487DBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_313BB5FEF9B26FB1589184FBFB48A91E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_313BB5FEF9B26FB1589184FBFB48A91E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_2B27C22127B4A77EEE8584FBFB486C06" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_2B27C22127B4A77EEE8584FBFB486C06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8570ED1B5918A2B5E01A84FBFB48A809" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8570ED1B5918A2B5E01A84FBFB48A809" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7783132C1672F2775A9284FBFB48B116" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_6D6162DDD9C05CADD64184FBFB48AC09" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7783132C1672F2775A9284FBFB48B116" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_A65E737808B7CC49C22D84FBFB48DFDB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_A65E737808B7CC49C22D84FBFB48DFDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_DC563BFDBAD0BB8A798984FBFB48DB08" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_A65E737808B7CC49C22D84FBFB48DFDB" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_DC563BFDBAD0BB8A798984FBFB48DB08" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_829D06985BFDEDF7256484FBFB483E4B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_A65E737808B7CC49C22D84FBFB48DFDB" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_829D06985BFDEDF7256484FBFB483E4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_CE507DF53D7CCA86CA7084FBFB482EC8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_A65E737808B7CC49C22D84FBFB48DFDB" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_CE507DF53D7CCA86CA7084FBFB482EC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_1DEBBBBF719DB9E274D184FBFB48FDD3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_1DEBBBBF719DB9E274D184FBFB48FDD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D5946B6A91F945B25C9484FBFB484D35" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D5946B6A91F945B25C9484FBFB484D35" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CashCashEquivalentsAndShortTermInvestmentsTotalOperations" xlink:label="loc_utx_CashCashEquivalentsAndShortTermInvestmentsTotalOperations_5F478A8A5CC15C0F373484FBFB491A77" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_utx_CashCashEquivalentsAndShortTermInvestmentsTotalOperations_5F478A8A5CC15C0F373484FBFB491A77" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CashAndCashEquivalentsAndShortTermInvestmentsTotalOperations" xlink:label="loc_utx_CashAndCashEquivalentsAndShortTermInvestmentsTotalOperations_828D25C414A4CFEEDA1484FBFB493863" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_utx_CashAndCashEquivalentsAndShortTermInvestmentsTotalOperations_828D25C414A4CFEEDA1484FBFB493863" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_14C2C91649AEA94B387E84FBFB49F585" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_14C2C91649AEA94B387E84FBFB49F585" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_3FFA5718662E9F9587BF84FBFB491AAF" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_C27BD46F0D050AE688E084FBFB4145FD" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_3FFA5718662E9F9587BF84FBFB491AAF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_TopElement00001StatementCondensedConsolidatedStatementOfOperations" xlink:label="loc_utx_TopElement00001StatementCondensedConsolidatedStatementOfOperations_7C20142C1D0FAF73DDC09541A86F774C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_TopElement00001StatementCondensedConsolidatedStatementOfOperations_7C20142C1D0FAF73DDC09541A86F774C" xlink:to="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNetAbstract" xlink:label="loc_us-gaap_SalesRevenueNetAbstract_B4B03A419B9568A8FA379541A86F9773" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_SalesRevenueNetAbstract_B4B03A419B9568A8FA379541A86F9773" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_8C64BF30643372944F879541A86F0373" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SalesRevenueNetAbstract_B4B03A419B9568A8FA379541A86F9773" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_8C64BF30643372944F879541A86F0373" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_424BB8F7575C997D4EC89541A86F2489" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SalesRevenueNetAbstract_B4B03A419B9568A8FA379541A86F9773" xlink:to="loc_us-gaap_SalesRevenueServicesNet_424BB8F7575C997D4EC89541A86F2489" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_7CF27428872A7ECD0CF89541A86FFFCB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SalesRevenueNetAbstract_B4B03A419B9568A8FA379541A86F9773" xlink:to="loc_us-gaap_SalesRevenueNet_7CF27428872A7ECD0CF89541A86FFFCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_7106F0A62242E4E915EF9541A86F5316" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:to="loc_us-gaap_CostOfGoodsSold_7106F0A62242E4E915EF9541A86F5316" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_17E8ED8D80E9EE095F869541A86F693B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:to="loc_us-gaap_CostOfServices_17E8ED8D80E9EE095F869541A86F693B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_97D06695BC3AB20554039541A86F3151" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_97D06695BC3AB20554039541A86F3151" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_ABEA63E32B1571CD1BE49541A86F986C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_ABEA63E32B1571CD1BE49541A86F986C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_AF83D8A8A0148093326F9541A86FA931" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_03AFC5F46B73F083D59E9541A86F9BB7" xlink:to="loc_us-gaap_CostsAndExpenses_AF83D8A8A0148093326F9541A86FA931" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_9C15C204EA85D06342C59541A86FFBCF" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_OtherIncome_9C15C204EA85D06342C59541A86FFBCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_F1A16B441CD917B629269541A86FE569" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_OperatingIncomeLoss_F1A16B441CD917B629269541A86FE569" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_860D9FAD1A5382A2646F9541A86F1132" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_860D9FAD1A5382A2646F9541A86F1132" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_31AB62D10C4387219AE19541A86F2B63" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_31AB62D10C4387219AE19541A86F2B63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_F238B3AB60D236194A529541A86F0AA8" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_F238B3AB60D236194A529541A86F0AA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_FF523CCF7A423A5E06EB9541A86FC170" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_FF523CCF7A423A5E06EB9541A86FC170" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_8E7301FFACA47FA909209541A86F49CD" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_8E7301FFACA47FA909209541A86F49CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_495E609453C5308AADF09541A86F028F" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_495E609453C5308AADF09541A86F028F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_26BB62689093ECD5E8B59541A86FAAF2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_26BB62689093ECD5E8B59541A86FAAF2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_193D5FEB8C44A17790109541A86FF94C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_193D5FEB8C44A17790109541A86FF94C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_D066191B6483FD2383E09541A86F1CBB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_D066191B6483FD2383E09541A86F1CBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_BDF3856E43E66F31F6D89541A86F6CE9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_B8785E1BF43EF97774189541A86FC77D" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_BDF3856E43E66F31F6D89541A86F6CE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_EDDAA02D5D4B467BBAD69541A86F47E3" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_NetIncomeLoss_EDDAA02D5D4B467BBAD69541A86F47E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5BF275D50CA10F69AF779541A86FA59C" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5BF275D50CA10F69AF779541A86FA59C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_9072A380D6638B8F46A49541A86F8BAB" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_9072A380D6638B8F46A49541A86F8BAB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_959710093A24C4DA479C9541A86FF3FB" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_959710093A24C4DA479C9541A86FF3FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_2FA5B30BAC13F4E0D00E9541A86F0BA0" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_2FA5B30BAC13F4E0D00E9541A86F0BA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_E54EF6D246428984DF4C9541A86FACFB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_2FA5B30BAC13F4E0D00E9541A86F0BA0" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_E54EF6D246428984DF4C9541A86FACFB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_08704F72B3265C09602F9541A86FADBE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_2FA5B30BAC13F4E0D00E9541A86F0BA0" xlink:to="loc_us-gaap_EarningsPerShareBasic_08704F72B3265C09602F9541A86FADBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_DF99C6BD72C36D0F3D009541A86FFC47" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_F298E2F5578DB1E06CF99541A86F4500" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_DF99C6BD72C36D0F3D009541A86FFC47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_A6395695E6FC0895229C9541A86FC91E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_DF99C6BD72C36D0F3D009541A86FFC47" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_A6395695E6FC0895229C9541A86FC91E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_83AA0AAF2830941A701E9541A86FC516" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_DF99C6BD72C36D0F3D009541A86FFC47" xlink:to="loc_us-gaap_EarningsPerShareDiluted_83AA0AAF2830941A701E9541A86FC516" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ContingentLiabilities" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4AE04B959EE4EED47F9D73D1996A087B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_785C49A90F6551A7F80373D1996AB1B0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4AE04B959EE4EED47F9D73D1996A087B" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_785C49A90F6551A7F80373D1996AB1B0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ContingentLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_E9004A2E9CA8FD5049E28F7731752107" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_45C60B581B27617093688F773175D525" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_E9004A2E9CA8FD5049E28F7731752107" xlink:to="loc_us-gaap_LossContingenciesTable_45C60B581B27617093688F773175D525" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LossContingenciesByPartyAxis" xlink:label="loc_utx_LossContingenciesByPartyAxis_FF4246B2BBA4E0B3B29D8F7731752C9A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_45C60B581B27617093688F773175D525" xlink:to="loc_utx_LossContingenciesByPartyAxis_FF4246B2BBA4E0B3B29D8F7731752C9A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LossContingencyPartyDomain" xlink:label="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingenciesByPartyAxis_FF4246B2BBA4E0B3B29D8F7731752C9A" xlink:to="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DepartmentOfJusticeLawsuitAgainstPrattAndWhitneyMember" xlink:label="loc_utx_DepartmentOfJusticeLawsuitAgainstPrattAndWhitneyMember_A330D6F6983DDE7140958F7731758078" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:to="loc_utx_DepartmentOfJusticeLawsuitAgainstPrattAndWhitneyMember_A330D6F6983DDE7140958F7731758078" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DepartmentOfDefenseContractClaimAgainstSikorskyMember" xlink:label="loc_utx_DepartmentOfDefenseContractClaimAgainstSikorskyMember_D14721C9417BF30ABA088F7731756957" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:to="loc_utx_DepartmentOfDefenseContractClaimAgainstSikorskyMember_D14721C9417BF30ABA088F7731756957" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_USAirForceClaimAgainstPrattAndWhitneyrMember" xlink:label="loc_utx_USAirForceClaimAgainstPrattAndWhitneyrMember_EBA4502EBC0350EABD7D8F773175C69F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:to="loc_utx_USAirForceClaimAgainstPrattAndWhitneyrMember_EBA4502EBC0350EABD7D8F773175C69F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_GermanTaxOfficeAgainstOtisMember" xlink:label="loc_utx_GermanTaxOfficeAgainstOtisMember_911FC810BE7954CCF9198F7731753575" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:to="loc_utx_GermanTaxOfficeAgainstOtisMember_911FC810BE7954CCF9198F7731753575" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember" xlink:label="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember_F7B901A5C4B54FD958528F773175624D" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_LossContingencyPartyDomain_1602DFD22A1EA404297F8F773175FC02" xlink:to="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember_F7B901A5C4B54FD958528F773175624D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_45C60B581B27617093688F773175D525" xlink:to="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyLawsuitFilingDate" xlink:label="loc_us-gaap_LossContingencyLawsuitFilingDate_CBE035DEAD85C12A47BB8F773175C9DF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyLawsuitFilingDate_CBE035DEAD85C12A47BB8F773175C9DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyAllegations" xlink:label="loc_us-gaap_LossContingencyAllegations_5D51A623A3C09C53D2318F773175607E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyAllegations_5D51A623A3C09C53D2318F773175607E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencySettlementAgreementTerms" xlink:label="loc_us-gaap_LossContingencySettlementAgreementTerms_3D1E2A521DED803709EB8F77317500B4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencySettlementAgreementTerms_3D1E2A521DED803709EB8F77317500B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyPeriodOfOccurrence" xlink:label="loc_us-gaap_LossContingencyPeriodOfOccurrence_D919CF84B55C489DEE9E8F773175DFDD" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyPeriodOfOccurrence_D919CF84B55C489DEE9E8F773175DFDD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyDamagesSought" xlink:label="loc_us-gaap_LossContingencyDamagesSought_E62AD2741B8748AFEA2A8F77317572F6" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyDamagesSought_E62AD2741B8748AFEA2A8F77317572F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyActionsTakenByCourtArbitratorOrMediator" xlink:label="loc_us-gaap_LossContingencyActionsTakenByCourtArbitratorOrMediator_051E62AD03F0A4C8BA268F773175AE48" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyActionsTakenByCourtArbitratorOrMediator_051E62AD03F0A4C8BA268F773175AE48" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LossContingencyActionsTakenByPlaintiffAndDefendant" xlink:label="loc_utx_LossContingencyActionsTakenByPlaintiffAndDefendant_0F859462BA1AE786B7678F773175588B" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_utx_LossContingencyActionsTakenByPlaintiffAndDefendant_0F859462BA1AE786B7678F773175588B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyActionsTakenByDefendant" xlink:label="loc_us-gaap_LossContingencyActionsTakenByDefendant_190DF104F1A3A39358568F773175A833" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyActionsTakenByDefendant_190DF104F1A3A39358568F773175A833" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencySettlementAgreementDate" xlink:label="loc_us-gaap_LossContingencySettlementAgreementDate_C74A143B453EA077937D8F7731756FBE" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencySettlementAgreementDate_C74A143B453EA077937D8F7731756FBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMinimum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_34ADE86CF87C15649DA98F773175CA49" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_34ADE86CF87C15649DA98F773175CA49" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMaximum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_26D9B327BDAA3D7DDC258F773175E3A4" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_26D9B327BDAA3D7DDC258F773175E3A4" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LossContingencyDamagesAwardedValueNotIncludingInterest" xlink:label="loc_utx_LossContingencyDamagesAwardedValueNotIncludingInterest_9AF6E68EC9F56679F2B28F7731750632" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_utx_LossContingencyDamagesAwardedValueNotIncludingInterest_9AF6E68EC9F56679F2B28F7731750632" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyDamagesAwardedValue" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_BB59D9B5650F13FAC5128F7731753AD3" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_47A3AE1FF39AA4090BDC8F77317557EE" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_BB59D9B5650F13FAC5128F7731753AD3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CreditQualityOfLongTermReceivables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_346CC6B26D19DC7AB98E73D19A255C89" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivablesTextBlock" xlink:label="loc_us-gaap_FinancingReceivablesTextBlock_377C8023083A0BF85E7F73D19A25E947" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_346CC6B26D19DC7AB98E73D19A255C89" xlink:to="loc_us-gaap_FinancingReceivablesTextBlock_377C8023083A0BF85E7F73D19A25E947" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CreditQualityOfLongTermReceivablesClassAndCreditRiskInformationDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotedToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotedToCondensedConsolidatedFinancialStatementsAbstract_0EAAA5A3BEF1220776DB8A9623D5430A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_D1EA06F1B84C8018872D8A9623D5DC4A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotedToCondensedConsolidatedFinancialStatementsAbstract_0EAAA5A3BEF1220776DB8A9623D5430A" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_D1EA06F1B84C8018872D8A9623D5DC4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InternalCreditAssessmentAxis" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_063E99468B8BC77E15BC8A9623D59AD6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_D1EA06F1B84C8018872D8A9623D5DC4A" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_063E99468B8BC77E15BC8A9623D59AD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InternalCreditAssessmentDomain" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_9B04D1AB806C0C3266F48A9623D57E36" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_063E99468B8BC77E15BC8A9623D59AD6" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_9B04D1AB806C0C3266F48A9623D57E36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_B35F763734E569A1C9AC8A9623D56BCE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_D1EA06F1B84C8018872D8A9623D5DC4A" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_B35F763734E569A1C9AC8A9623D56BCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_A467BC798CD0DE7766DE8A9623D5AADC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_B35F763734E569A1C9AC8A9623D56BCE" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_A467BC798CD0DE7766DE8A9623D5AADC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LongTermTradeAccountsReceivableFinancingReceivableMember" xlink:label="loc_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_D35B2CA5700EBF14B8948A9623D5EE32" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_A467BC798CD0DE7766DE8A9623D5AADC" xlink:to="loc_utx_LongTermTradeAccountsReceivableFinancingReceivableMember_D35B2CA5700EBF14B8948A9623D5EE32" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_NotesAndLeasesReceivableFinancingReceivableMember" xlink:label="loc_utx_NotesAndLeasesReceivableFinancingReceivableMember_D04795AC719B9EF5AF288A9623D5FEC9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_A467BC798CD0DE7766DE8A9623D5AADC" xlink:to="loc_utx_NotesAndLeasesReceivableFinancingReceivableMember_D04795AC719B9EF5AF288A9623D5FEC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_C753D99879577589BA068A9623D512F3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_D1EA06F1B84C8018872D8A9623D5DC4A" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_C753D99879577589BA068A9623D512F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="loc_us-gaap_NotesReceivableNet_BC9D6224F18E119F1CCF8A9623D59064" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_C753D99879577589BA068A9623D512F3" xlink:to="loc_us-gaap_NotesReceivableNet_BC9D6224F18E119F1CCF8A9623D59064" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CreditQualityOfLongTermReceivablesReserveAndAdditionalInformationDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DB51A1CE92C264787E098F017E4CF61B" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_FinancingReceivableReserveForCreditLossesAndExposure" xlink:label="loc_utx_FinancingReceivableReserveForCreditLossesAndExposure_04D1E30E30B03E3BD94A8F017E4C2E9F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DB51A1CE92C264787E098F017E4CF61B" xlink:to="loc_utx_FinancingReceivableReserveForCreditLossesAndExposure_04D1E30E30B03E3BD94A8F017E4C2E9F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PercentageLongTermReceivablesHighCreditRisk" xlink:label="loc_utx_PercentageLongTermReceivablesHighCreditRisk_DD8E55477623DFD6B83F8F017E4C472C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DB51A1CE92C264787E098F017E4CF61B" xlink:to="loc_utx_PercentageLongTermReceivablesHighCreditRisk_DD8E55477623DFD6B83F8F017E4C472C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/CreditQualityOfLongTermReceivablesTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_713A7B7DE2EBCBC10F648A936D43D14D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:label="loc_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_6C07309DFFA00496EE058A936D431821" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_713A7B7DE2EBCBC10F648A936D43D14D" xlink:to="loc_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_6C07309DFFA00496EE058A936D431821" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperations" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_32396B08045186801ECA73D1997A3869" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_B176225838AC5FB0AA2A73D1997A4A99" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_32396B08045186801ECA73D1997A3869" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_B176225838AC5FB0AA2A73D1997A4A99" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsIncomeStatementInformationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_B65B5E3100B8331C8FAD84E8B9F18F8B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_B65B5E3100B8331C8FAD84E8B9F18F8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_D8DB70FE11BA3FD7F87B84E8B9F1AF74" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax_D8DB70FE11BA3FD7F87B84E8B9F1AF74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod_14560EED254A6C65E75284E8B9F15517" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod_14560EED254A6C65E75284E8B9F15517" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_A193CF6C466988EECAEA84E8B9F10EAF" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_A193CF6C466988EECAEA84E8B9F10EAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_88FC636B258CEE790F0084E8B9F1A725" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_88FC636B258CEE790F0084E8B9F1A725" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation_BBE1FFF31C0C7C10315984E8B9F172F8" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation_BBE1FFF31C0C7C10315984E8B9F172F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_605A38CB4F11E44C968984E8B9F1384D" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_583F5C178008D212FB8884E8B9F063FE" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_605A38CB4F11E44C968984E8B9F1384D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7865E4126D8FA4933B6989B0F7E5A6B1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2FE6C17F1A46A9DC9CC189B0F7E5FAF3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7865E4126D8FA4933B6989B0F7E5A6B1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2FE6C17F1A46A9DC9CC189B0F7E5FAF3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_8FE2358D9451F4289AAB89B0F7E56D41" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2FE6C17F1A46A9DC9CC189B0F7E5FAF3" xlink:to="loc_us-gaap_SegmentDomain_8FE2358D9451F4289AAB89B0F7E56D41" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PrattandWhitneyRocketdyneMember" xlink:label="loc_utx_PrattandWhitneyRocketdyneMember_12270C3AEC277D7A11A889B0F7E5A4E9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_8FE2358D9451F4289AAB89B0F7E56D41" xlink:to="loc_utx_PrattandWhitneyRocketdyneMember_12270C3AEC277D7A11A889B0F7E5A4E9" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCPowerMember" xlink:label="loc_utx_UTCPowerMember_7EBFD9B6114E4B3DDFF089B0F7E56F0B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_8FE2358D9451F4289AAB89B0F7E56D41" xlink:to="loc_utx_UTCPowerMember_7EBFD9B6114E4B3DDFF089B0F7E56F0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5E5A05B9588473F0527C89B0F7E5C90D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7865E4126D8FA4933B6989B0F7E5A6B1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5E5A05B9588473F0527C89B0F7E5C90D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisposalDate1" xlink:label="loc_us-gaap_DisposalDate1_BF3F369EA386CAD4EF8189B0F7E560A4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5E5A05B9588473F0527C89B0F7E5C90D" xlink:to="loc_us-gaap_DisposalDate1_BF3F369EA386CAD4EF8189B0F7E560A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_3B0B1745874101D6068589B0F7E568C2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5E5A05B9588473F0527C89B0F7E5C90D" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_3B0B1745874101D6068589B0F7E568C2" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DiscontinuedOperationCashPayment" xlink:label="loc_utx_DiscontinuedOperationCashPayment_6033A63368975B29B2B389B0F7E53A69" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5E5A05B9588473F0527C89B0F7E5C90D" xlink:to="loc_utx_DiscontinuedOperationCashPayment_6033A63368975B29B2B389B0F7E53A69" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0B8E10CC0F60FC3ACBFE73D1997A6C35" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_E74C8BF41DA73613D76573D1997A2768" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0B8E10CC0F60FC3ACBFE73D1997A6C35" xlink:to="loc_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_E74C8BF41DA73613D76573D1997A2768" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_DocumentAndEntityInformationAbstract" xlink:label="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_52D13C04B9C4FC11B47973D199991762" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_DocumentType_52D13C04B9C4FC11B47973D199991762" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_5D0E34960A4C25A7DB9973D19999F041" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_DocumentPeriodEndDate_5D0E34960A4C25A7DB9973D19999F041" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_B988C547F075A615408D73D19999CFB1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_AmendmentFlag_B988C547F075A615408D73D19999CFB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_9FE9B7FFD1ECCED150D073D199990216" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_DocumentFiscalYearFocus_9FE9B7FFD1ECCED150D073D199990216" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_7EEC4C0E0DFECDBBDE9473D199994F54" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_DocumentFiscalPeriodFocus_7EEC4C0E0DFECDBBDE9473D199994F54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_CEE08DD7AB29F25500EF73D19999598D" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_CurrentFiscalYearEndDate_CEE08DD7AB29F25500EF73D19999598D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_9AD3DA22C93BEDD231CE73D19999EF52" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityRegistrantName_9AD3DA22C93BEDD231CE73D19999EF52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_01A3CB2FDE44B8A1F5E573D19999E9BC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityCentralIndexKey_01A3CB2FDE44B8A1F5E573D19999E9BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_8D6FB7CBD8B959751DB973D19999F7C7" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_8D6FB7CBD8B959751DB973D19999F7C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_2AFEE6E96392F89DB43E73D19999AE67" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityVoluntaryFilers_2AFEE6E96392F89DB43E73D19999AE67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_7EE3EB0305E8DFF6A5C973D199994044" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityCurrentReportingStatus_7EE3EB0305E8DFF6A5C973D199994044" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_5B2BBB713A11648D348573D19999D2CD" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityFilerCategory_5B2BBB713A11648D348573D19999D2CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_27E1DAAB4C3EE3E666A973D19999420D" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityPublicFloat_27E1DAAB4C3EE3E666A973D19999420D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_2A44027D48D2D9B1EC4073D19999A39C" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_93742B6DD4042C1FC73B73D19999F65E" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_2A44027D48D2D9B1EC4073D19999A39C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EarningsPerShare" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_73022C94159E737CCB0273D19A549E53" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_72CB320A569B0C6EFBB873D19A54CBCF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_73022C94159E737CCB0273D19A549E53" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_72CB320A569B0C6EFBB873D19A54CBCF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4B4330E6787C07F1215D89B4AFA1142C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4B4330E6787C07F1215D89B4AFA1142C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_201ED341202ED7CFAC1289B4AFA134B8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4B4330E6787C07F1215D89B4AFA1142C" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_201ED341202ED7CFAC1289B4AFA134B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_0CF3A959B76322F8B87589B4AFA150A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_201ED341202ED7CFAC1289B4AFA134B8" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_0CF3A959B76322F8B87589B4AFA150A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_B3A6CD8A1A80348A15FB89B4AFA17340" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4B4330E6787C07F1215D89B4AFA1142C" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_B3A6CD8A1A80348A15FB89B4AFA17340" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_C98BD96A6F46E147158689B4AFA11C45" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_B3A6CD8A1A80348A15FB89B4AFA17340" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_C98BD96A6F46E147158689B4AFA11C45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_9144A6E0651161B82F3A89B4AFA17B80" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_9144A6E0651161B82F3A89B4AFA17B80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_EC83ADBBBABA8B31764A89B4AFA1E759" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_EC83ADBBBABA8B31764A89B4AFA1E759" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_9E28CE8FDEA00297265A89B4AFA1A401" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_NetIncomeLoss_9E28CE8FDEA00297265A89B4AFA1A401" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CB101AD2E0DB2577E8589B4AFA1FF61" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CB101AD2E0DB2577E8589B4AFA1FF61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_70FBA74E649E83B28DBD89B4AFA1E860" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_70FBA74E649E83B28DBD89B4AFA1E860" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_774D70CF969C2172874889B4AFA12488" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_774D70CF969C2172874889B4AFA12488" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_3061504700204D2E4CCA89B4AFA157C8" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_3061504700204D2E4CCA89B4AFA157C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_51F59237B6CC46B1AE1389B4AFA15194" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_EarningsPerShareBasic_51F59237B6CC46B1AE1389B4AFA15194" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_1A479EA29A6EEBB9E84389B4AFA15220" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_1A479EA29A6EEBB9E84389B4AFA15220" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_BBF5B6D491A1BAD4D0D489B4AFA10D29" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D30B59DBF6733A63E29189B4AFA1779F" xlink:to="loc_us-gaap_EarningsPerShareDiluted_BBF5B6D491A1BAD4D0D489B4AFA10D29" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EarningsPerShareTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A088F632FE0E652C5AB273D199899026" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_EE7B30ACBFAAA1943D3C73D199895837" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A088F632FE0E652C5AB273D199899026" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_EE7B30ACBFAAA1943D3C73D199895837" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlans" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DB29695EE5155017986873D199995DAA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_1B1500045F0E660FE4B073D19999BD44" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DB29695EE5155017986873D199995DAA" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_1B1500045F0E660FE4B073D19999BD44" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1E335F6B995D6E74C1B385EA561D4DD2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4B57DE8990E09FBB02A585EA561DCA2A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1E335F6B995D6E74C1B385EA561D4DD2" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4B57DE8990E09FBB02A585EA561DCA2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_39154A07A496095CC82F85EA561D37D6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4B57DE8990E09FBB02A585EA561DCA2A" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_39154A07A496095CC82F85EA561D37D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_9542720ADB663A36395385EA561D5043" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_39154A07A496095CC82F85EA561D37D6" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_9542720ADB663A36395385EA561D5043" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_EB49792F0BE1A5FBAEC885EA561DA554" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9542720ADB663A36395385EA561D5043" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_EB49792F0BE1A5FBAEC885EA561DA554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_E48698D39D6CFF6B44DB85EA561D9FC3" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9542720ADB663A36395385EA561D5043" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_E48698D39D6CFF6B44DB85EA561D9FC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xlink:label="loc_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_CD3EB693E94C3C30457F85EA562DC6F2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_9542720ADB663A36395385EA561D5043" xlink:to="loc_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_CD3EB693E94C3C30457F85EA562DC6F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4B57DE8990E09FBB02A585EA561DCA2A" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_B150A66B27B8BA7E67D185EA562DA0E5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_B150A66B27B8BA7E67D185EA562DA0E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_B25EA7F02256DC9A5DAF85EA562D0DF5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_B25EA7F02256DC9A5DAF85EA562D0DF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_2073A6E8A7BEC5CCA36585EA562D70BC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_2073A6E8A7BEC5CCA36585EA562D70BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_81FC563AD2409A6E1CB985EA562D57BB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_81FC563AD2409A6E1CB985EA562D57BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_5DBBAAE1A40E04AA88CC85EA562D4C6A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_5DBBAAE1A40E04AA88CC85EA562D4C6A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DefinedBenefitPlanAmortizationOfTransitionObligationsAssetsAndPriorServiceCostCredit" xlink:label="loc_utx_DefinedBenefitPlanAmortizationOfTransitionObligationsAssetsAndPriorServiceCostCredit_B3334037E675AD079E5685EA562DADE6" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_utx_DefinedBenefitPlanAmortizationOfTransitionObligationsAssetsAndPriorServiceCostCredit_B3334037E675AD079E5685EA562DADE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_F92DCC1F45D08F854B1B85EA562D8ABB" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_F92DCC1F45D08F854B1B85EA562D8ABB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_3F13EF4D3B66C58E50C885EA562D96F6" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_3F13EF4D3B66C58E50C885EA562D96F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_07499EB37291284BFD6C85EA562D1CA4" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_07499EB37291284BFD6C85EA562D1CA4" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_DiscontinuedOperationsDefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments" xlink:label="loc_utx_DiscontinuedOperationsDefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments_43CB02A6E7FA3B5E811885EA562DDE53" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_FEF2C36855602E1567AB85EA562D6E0B" xlink:to="loc_utx_DiscontinuedOperationsDefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments_43CB02A6E7FA3B5E811885EA562DDE53" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlansTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_E9C72A7D621B58DF48DF73D19A642641" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2292AF02B5B06138766473D19A64FEAB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_E9C72A7D621B58DF48DF73D19A642641" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_2292AF02B5B06138766473D19A64FEAB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurements" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_03D9C576BFFB0428D4258B2A6663E3C9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_EBC76B091970329A1BA88B2B21F4B3D9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_03D9C576BFFB0428D4258B2A6663E3C9" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_EBC76B091970329A1BA88B2B21F4B3D9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurementsCommercialAerospaceFinancingCommitmentsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_55D26C3CDA09D66AFCAA8B2455B6FC80" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9976CA482943C8A485328B2455B6CD1F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_55D26C3CDA09D66AFCAA8B2455B6FC80" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9976CA482943C8A485328B2455B6CD1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_632C6F8B05B93C0E41748B2455B6F5A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9976CA482943C8A485328B2455B6CD1F" xlink:to="loc_us-gaap_ProductOrServiceAxis_632C6F8B05B93C0E41748B2455B6F5A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_AB565F6DDC263BDA83B48B2455B64F07" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_632C6F8B05B93C0E41748B2455B6F5A3" xlink:to="loc_us-gaap_ProductsAndServicesDomain_AB565F6DDC263BDA83B48B2455B64F07" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CommercialAerospaceMember" xlink:label="loc_utx_CommercialAerospaceMember_CA24FBAC1EB42B1AD6188B2455B6876B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_AB565F6DDC263BDA83B48B2455B64F07" xlink:to="loc_utx_CommercialAerospaceMember_CA24FBAC1EB42B1AD6188B2455B6876B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5EE69BC3E4A29E930D5C8B2455B6F94D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9976CA482943C8A485328B2455B6CD1F" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5EE69BC3E4A29E930D5C8B2455B6F94D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset" xlink:label="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset_901B1FD224F5A957C3F28B2455B6583B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5EE69BC3E4A29E930D5C8B2455B6F94D" xlink:to="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset_901B1FD224F5A957C3F28B2455B6583B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurementsFairValueHierarchyClassificationDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D1EB072302105104922D8EFFE59DDB11" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D1EB072302105104922D8EFFE59DDB11" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B8E00E700977A59DD3528EFFE59D0E43" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B8E00E700977A59DD3528EFFE59D0E43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8667E9AC9AEDC608B6858EFFE59D4B4D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B8E00E700977A59DD3528EFFE59D0E43" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8667E9AC9AEDC608B6858EFFE59D4B4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_77878D6384E15FDB75498EFFE59D83C5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8667E9AC9AEDC608B6858EFFE59D4B4D" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_77878D6384E15FDB75498EFFE59D83C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_975CA06CE3ED48DAA58F8EFFE59DA4E1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8667E9AC9AEDC608B6858EFFE59D4B4D" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_975CA06CE3ED48DAA58F8EFFE59DA4E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_3AA2B6FD8EC21F2CE0A48EFFE59D5E57" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8667E9AC9AEDC608B6858EFFE59D4B4D" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_3AA2B6FD8EC21F2CE0A48EFFE59D5E57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_C0AF34C3F7B49EC41A768EFFE59D36B0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_C0AF34C3F7B49EC41A768EFFE59D36B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_0F400940138634658B518EFFE59D5E6A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_C0AF34C3F7B49EC41A768EFFE59D36B0" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_0F400940138634658B518EFFE59D5E6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_8B13E57FBAF67BD839708EFFE59D9597" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_0F400940138634658B518EFFE59D5E6A" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_8B13E57FBAF67BD839708EFFE59D9597" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_6095BD88EBA0390074BE8EFFE59D974C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_0F400940138634658B518EFFE59D5E6A" xlink:to="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_6095BD88EBA0390074BE8EFFE59D974C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3C084A1439885859699D8EFFE59DB6E9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3C084A1439885859699D8EFFE59DB6E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F07370079AE91835633B8EFFE59D9CAA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3C084A1439885859699D8EFFE59DB6E9" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F07370079AE91835633B8EFFE59D9CAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_1F8ABA60D03303B481978EFFE59DF927" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F07370079AE91835633B8EFFE59D9CAA" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_1F8ABA60D03303B481978EFFE59DF927" xlink:type="arc" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F07370079AE91835633B8EFFE59D9CAA" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_975CA06CE3ED48DAA58F8EFFE59DA4E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_8A4A91B27AD154B17A7C8EFFE59D3EC5" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F07370079AE91835633B8EFFE59D9CAA" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_8A4A91B27AD154B17A7C8EFFE59D3EC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_8446859332BCF22E36DC8EFFE59D8E51" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_BBAEA8C73CB6A1BE79418EFFE59D214A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_BBAEA8C73CB6A1BE79418EFFE59D214A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_4B768F4465966A335CA38EFFE59DA811" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_us-gaap_DerivativeAssets_4B768F4465966A335CA38EFFE59DA811" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_1A33B23CCD6575FF4C7E8EFFE59DB928" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_us-gaap_DerivativeLiabilities_1A33B23CCD6575FF4C7E8EFFE59DB928" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_BusinessDispositionsFairValueDisclosure" xlink:label="loc_utx_BusinessDispositionsFairValueDisclosure_3B424A2C1EE40B93A47D8EFFE59D8E2A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_BusinessDispositionsFairValueDisclosure_3B424A2C1EE40B93A47D8EFFE59D8E2A" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LongTermReceivablesFairValueDisclosure" xlink:label="loc_utx_LongTermReceivablesFairValueDisclosure_FAF996649B433B7FFFF58EFFE59D4D97" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_LongTermReceivablesFairValueDisclosure_FAF996649B433B7FFFF58EFFE59D4D97" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CustomerFinancingNotesReceivableFairValueDisclosure" xlink:label="loc_utx_CustomerFinancingNotesReceivableFairValueDisclosure_9364387F6B197FDDF53D8EFFE59D2339" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_CustomerFinancingNotesReceivableFairValueDisclosure_9364387F6B197FDDF53D8EFFE59D2339" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ShortTermBorrowingsFairValueDisclosure" xlink:label="loc_utx_ShortTermBorrowingsFairValueDisclosure_E984AB283C72C343F3D38EFFE59D85DB" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_ShortTermBorrowingsFairValueDisclosure_E984AB283C72C343F3D38EFFE59D85DB" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure" xlink:label="loc_utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure_82341239AB0CF278D4A38EFFE59D26EC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure_82341239AB0CF278D4A38EFFE59D26EC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtherLongTermLiabilitiesFairValueDisclosure" xlink:label="loc_utx_OtherLongTermLiabilitiesFairValueDisclosure_D7BE0712CEEE8F0DDDE98EFFE59D8747" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_utx_OtherLongTermLiabilitiesFairValueDisclosure_D7BE0712CEEE8F0DDDE98EFFE59D8747" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_263A02E967FA1F1F58A68EFFE59DC526" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_53DDE6EF3C63A4C6E87B8EFFE59D20C1" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_263A02E967FA1F1F58A68EFFE59DC526" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0B23E95DFD82E52F13D58B244D4D9F4E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_41FB83A210D0424081068B244D4DBA65" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0B23E95DFD82E52F13D58B244D4D9F4E" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_41FB83A210D0424081068B244D4DBA65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_1E7EF5FB9D1E97DEBCCC8B244D4D9505" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0B23E95DFD82E52F13D58B244D4D9F4E" xlink:to="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_1E7EF5FB9D1E97DEBCCC8B244D4D9505" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstruments" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A6BA2D9A8358B8CDDB568B2B38425169" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_E6906C9C10D0204DE0D08B2B38424B6E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A6BA2D9A8358B8CDDB568B2B38425169" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_E6906C9C10D0204DE0D08B2B38424B6E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsEffectOfForeignExchangeContractsNotDesignatedDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A489B3DC83065B3B560285DDD268668E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_34C699B89E2ABCA11DF185DDD268835E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_A489B3DC83065B3B560285DDD268668E" xlink:to="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_34C699B89E2ABCA11DF185DDD268835E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B9D55D8F866CFB47829585E416E929C4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_8B592211215729F8A35A85E5ADFB1E2E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B9D55D8F866CFB47829585E416E929C4" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_8B592211215729F8A35A85E5ADFB1E2E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_89F69140E4633719ECBD85E5ADFB330B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B9D55D8F866CFB47829585E416E929C4" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_89F69140E4633719ECBD85E5ADFB330B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_0083327EC7605F9C833B85E5ADFB9708" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B9D55D8F866CFB47829585E416E929C4" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_0083327EC7605F9C833B85E5ADFB9708" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_CE55699411CC99CAD6DF85E5ADFB0561" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B9D55D8F866CFB47829585E416E929C4" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_CE55699411CC99CAD6DF85E5ADFB0561" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsImpactFromForeignExchangeDerivativeInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DF87886AB615596573988B4BCC019DE6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:label="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_15CC151F2079B1A5D3648B4BCC019CC9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DF87886AB615596573988B4BCC019DE6" xlink:to="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_15CC151F2079B1A5D3648B4BCC019CC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_365DFC827BCD8C9337D18B4BCC01F0EE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DF87886AB615596573988B4BCC019DE6" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_365DFC827BCD8C9337D18B4BCC01F0EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_C99FACDF2999C867F8F38B4BCC011DE8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_DF87886AB615596573988B4BCC019DE6" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_C99FACDF2999C867F8F38B4BCC011DE8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_14084715A43069A3337773D19989B92E" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_FourQuarterRollingAverageOfNotionalAmountOfForeignExchangeContractsHedgingForeignCurrencyTransactions" xlink:label="loc_utx_FourQuarterRollingAverageOfNotionalAmountOfForeignExchangeContractsHedgingForeignCurrencyTransactions_93DD28516CBD68EA19CE73D199896F09" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_14084715A43069A3337773D19989B92E" xlink:to="loc_utx_FourQuarterRollingAverageOfNotionalAmountOfForeignExchangeContractsHedgingForeignCurrencyTransactions_93DD28516CBD68EA19CE73D199896F09" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1E1BD652BC9E82EA678D85E2AFFC79CF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_084772F0268EEDC0C63985E2AFFC63B8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1E1BD652BC9E82EA678D85E2AFFC79CF" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_084772F0268EEDC0C63985E2AFFC63B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_3245FFCD13058C5A58C585E2AFFC9D52" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1E1BD652BC9E82EA678D85E2AFFC79CF" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_3245FFCD13058C5A58C585E2AFFC9D52" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/Guarantees" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_F4D2B850EFAC3E73D5A573D19A353621" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_ScheduleOfGuaranteesTextBlock" xlink:label="loc_utx_ScheduleOfGuaranteesTextBlock_32B06EC6CC8371CEFD6073D19A3570A0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_F4D2B850EFAC3E73D5A573D19A353621" xlink:to="loc_utx_ScheduleOfGuaranteesTextBlock_32B06EC6CC8371CEFD6073D19A3570A0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/GuaranteesDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_61007E63C6D7D09CB67D84FC755BF709" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_61007E63C6D7D09CB67D84FC755BF709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_2E3B094AEDAAC445641C84FC755B890F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_61007E63C6D7D09CB67D84FC755BF709" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_2E3B094AEDAAC445641C84FC755B890F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_D81E942C76107478054B84FC755B6EC1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_2E3B094AEDAAC445641C84FC755B890F" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_D81E942C76107478054B84FC755B6EC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PerformanceGuaranteeMember" xlink:label="loc_us-gaap_PerformanceGuaranteeMember_43AB94D0F944EFF2098184FC755B565A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_D81E942C76107478054B84FC755B6EC1" xlink:to="loc_us-gaap_PerformanceGuaranteeMember_43AB94D0F944EFF2098184FC755B565A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_5AB03F3B9F7339D27FE784FC755BFA1C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_61007E63C6D7D09CB67D84FC755BF709" xlink:to="loc_us-gaap_GuaranteeObligationsLineItems_5AB03F3B9F7339D27FE784FC755BFA1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_E4EA5AA263FE5F1473FD84FC755B7764" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_5AB03F3B9F7339D27FE784FC755BFA1C" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_E4EA5AA263FE5F1473FD84FC755B7764" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_EF6439364892CA055E9684FC755BABFA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_us-gaap_ProductWarrantyAccrual_EF6439364892CA055E9684FC755BABFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_E9B224A095A9C3B9C6E484FC755BDF43" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_E9B224A095A9C3B9C6E484FC755BDF43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_A66CFB77F5A3F9AF7F3484FC755C3370" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_us-gaap_ProductWarrantyAccrualPayments_A66CFB77F5A3F9AF7F3484FC755C3370" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ProductWarrantyAccrualOther" xlink:label="loc_utx_ProductWarrantyAccrualOther_A18C65EAF77B2B33966A84FC755C6611" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_utx_ProductWarrantyAccrualOther_A18C65EAF77B2B33966A84FC755C6611" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_6D66B3C6E562E45B144B84FC755C75C3" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4F8E815117B7F46E8B1884FC755BED14" xlink:to="loc_us-gaap_ProductWarrantyAccrual_6D66B3C6E562E45B144B84FC755C75C3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/GuaranteesTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_57DBE74028FDD033467873D19A83CDDA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProductWarrantyDisclosureTextBlock" xlink:label="loc_us-gaap_ProductWarrantyDisclosureTextBlock_E8A95FADA05ECEB0558F73D19A836518" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_57DBE74028FDD033467873D19A83CDDA" xlink:to="loc_us-gaap_ProductWarrantyDisclosureTextBlock_E8A95FADA05ECEB0558F73D19A836518" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/IncomeTaxes" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D248F12B888E6D8F331073D1998934D2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_AC695DBB353A6FCE1E6373D199896469" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_D248F12B888E6D8F331073D1998934D2" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_AC695DBB353A6FCE1E6373D199896469" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/IncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_C825778BAC8A9D3D27E58B5D3630B9C9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_C825778BAC8A9D3D27E58B5D3630B9C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis" xlink:label="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_698FAA1BF787687A5F558B5D3630FB9E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_C825778BAC8A9D3D27E58B5D3630B9C9" xlink:to="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_698FAA1BF787687A5F558B5D3630FB9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_D608E8C397BB24E7DF9E8B5D363058AA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_698FAA1BF787687A5F558B5D3630FB9E" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_D608E8C397BB24E7DF9E8B5D363058AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_C4A403ACAE8878AA04728B5D3630449E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_C825778BAC8A9D3D27E58B5D3630B9C9" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_C4A403ACAE8878AA04728B5D3630449E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound_15FEEB431FAA826433CD8B5D3630300F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_C4A403ACAE8878AA04728B5D3630449E" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound_15FEEB431FAA826433CD8B5D3630300F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound_71AC267CEA53C45A919F8B5D36302718" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_C4A403ACAE8878AA04728B5D3630449E" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound_71AC267CEA53C45A919F8B5D36302718" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EstimatedTaxSettlementInterestGainLossNoncashRangeUpperLimit" xlink:label="loc_utx_EstimatedTaxSettlementInterestGainLossNoncashRangeUpperLimit_E8B33ADE6AC39D55DB588B685CF5606B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_C4A403ACAE8878AA04728B5D3630449E" xlink:to="loc_utx_EstimatedTaxSettlementInterestGainLossNoncashRangeUpperLimit_E8B33ADE6AC39D55DB588B685CF5606B" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_TaxDeductionsClaimedInFranceForTaxYears2008Through2010ThatDisallowedByFrenchRevenueAuthority" xlink:label="loc_utx_TaxDeductionsClaimedInFranceForTaxYears2008Through2010ThatDisallowedByFrenchRevenueAuthority_96A58F40D28E8D9DCD328B5D36307E33" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:to="loc_utx_TaxDeductionsClaimedInFranceForTaxYears2008Through2010ThatDisallowedByFrenchRevenueAuthority_96A58F40D28E8D9DCD328B5D36307E33" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EstimatedTaxSettlementGainLossNoncashRangeLowerLimit" xlink:label="loc_utx_EstimatedTaxSettlementGainLossNoncashRangeLowerLimit_296E4897B50BF5B643298B5D36303E78" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:to="loc_utx_EstimatedTaxSettlementGainLossNoncashRangeLowerLimit_296E4897B50BF5B643298B5D36303E78" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EstimatedTaxSettlementGainLossNoncashRangeUpperLimit" xlink:label="loc_utx_EstimatedTaxSettlementGainLossNoncashRangeUpperLimit_F9366A34D4DE6C1DF5408B5D3630E72F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:to="loc_utx_EstimatedTaxSettlementGainLossNoncashRangeUpperLimit_F9366A34D4DE6C1DF5408B5D3630E72F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EstimatedTaxSettlementInterestGainLossNoncashRangeLowerLimit" xlink:label="loc_utx_EstimatedTaxSettlementInterestGainLossNoncashRangeLowerLimit_118E0178CF33CDAE36868B5D36308AF9" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_0ECCA98A22060FBD2E868B5D3630CF7D" xlink:to="loc_utx_EstimatedTaxSettlementInterestGainLossNoncashRangeLowerLimit_118E0178CF33CDAE36868B5D36308AF9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/IntroductionOfNotesToCondensedConsolidatedFinancialStatements" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B4313293F0E3E8AB369A73D1996A115C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_4AEB7E3E7F7298DA9FF873D1997A7525" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B4313293F0E3E8AB369A73D1996A115C" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_4AEB7E3E7F7298DA9FF873D1997A7525" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/InventoriesAndContractsInProgress" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_93DF36962CD7A370C8D873D19A45F1EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_9DE0C99981547E1ABD5573D19A456A99" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_93DF36962CD7A370C8D873D19A45F1EB" xlink:to="loc_us-gaap_InventoryDisclosureTextBlock_9DE0C99981547E1ABD5573D19A456A99" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/InventoriesAndContractsInProgressDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_B06DF9C60472CDC55D8F73D199C84037" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_B06DF9C60472CDC55D8F73D199C84037" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_1D7A8FF39A9A012FDB4C73D199C837B1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_1D7A8FF39A9A012FDB4C73D199C837B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_A16BFE6EEC14A59ADA2B73D199C840A7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_A16BFE6EEC14A59ADA2B73D199C840A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryForLongTermContractsOrPrograms" xlink:label="loc_us-gaap_InventoryForLongTermContractsOrPrograms_6330F275725E2258C1E573D199C87B5E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_InventoryForLongTermContractsOrPrograms_6330F275725E2258C1E573D199C87B5E" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_InventoryBeforePaymentsAndBillings" xlink:label="loc_utx_InventoryBeforePaymentsAndBillings_10C09EE59693EDBCDBE073D199C87BF9" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_utx_InventoryBeforePaymentsAndBillings_10C09EE59693EDBCDBE073D199C87BF9" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ProgressPaymentsNettedAgainstInventoryForLongTermUSGovernmentContractsOrPrograms" xlink:label="loc_utx_ProgressPaymentsNettedAgainstInventoryForLongTermUSGovernmentContractsOrPrograms_098677B9042BE118D48673D199C8BE01" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_utx_ProgressPaymentsNettedAgainstInventoryForLongTermUSGovernmentContractsOrPrograms_098677B9042BE118D48673D199C8BE01" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ProgressPaymentsNettedAgainstInventoryForLongTermContractsOrProgramsExcludingGovernment" xlink:label="loc_utx_ProgressPaymentsNettedAgainstInventoryForLongTermContractsOrProgramsExcludingGovernment_25E834881C6147BB530F73D199C8B2BC" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_utx_ProgressPaymentsNettedAgainstInventoryForLongTermContractsOrProgramsExcludingGovernment_25E834881C6147BB530F73D199C8B2BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_5C07B60E58CF65E3579073D199C8224A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_InventoryNet_5C07B60E58CF65E3579073D199C8224A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherInventoryCapitalizedCosts" xlink:label="loc_us-gaap_OtherInventoryCapitalizedCosts_1170AF5958E8C4B4163A73D199C85D1C" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_9070F10E8B26FB653B1473D199C845A1" xlink:to="loc_us-gaap_OtherInventoryCapitalizedCosts_1170AF5958E8C4B4163A73D199C85D1C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/InventoriesAndContractsInProgressTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_52D72A84FDB687E185A373D19989A02B" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_InventoryTextBlock" xlink:label="loc_utx_InventoryTextBlock_1C4D66E5DFDE11CABA1073D19989F4B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_52D72A84FDB687E185A373D19989A02B" xlink:to="loc_utx_InventoryTextBlock_1C4D66E5DFDE11CABA1073D19989F4B3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/RestructuringAndOtherCosts" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_CBA61705A15C007BBF8E73D1998999FE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_91244B57F400CD84E36673D1998916F5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_CBA61705A15C007BBF8E73D1998999FE" xlink:to="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_91244B57F400CD84E36673D1998916F5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/RestructuringAndOtherCostsDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_43D7ADA1D9B3769A2A5585E6DCA9B569" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_43D7ADA1D9B3769A2A5585E6DCA9B569" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringAndOtherCostsByLocationInStatementOfOperationsAxis" xlink:label="loc_utx_RestructuringAndOtherCostsByLocationInStatementOfOperationsAxis_933F9DECA2C2914F492585E6DCA9CB54" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:to="loc_utx_RestructuringAndOtherCostsByLocationInStatementOfOperationsAxis_933F9DECA2C2914F492585E6DCA9CB54" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringAndOtherCostsByStatementOfOperationsLocationsDomain" xlink:label="loc_utx_RestructuringAndOtherCostsByStatementOfOperationsLocationsDomain_0BC9FF0A105D50B8FF4A85E6DCA9D3CB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndOtherCostsByLocationInStatementOfOperationsAxis_933F9DECA2C2914F492585E6DCA9CB54" xlink:to="loc_utx_RestructuringAndOtherCostsByStatementOfOperationsLocationsDomain_0BC9FF0A105D50B8FF4A85E6DCA9D3CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_28987DF5DA961D9BA0CF85E6DCA9CA15" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndOtherCostsByStatementOfOperationsLocationsDomain_0BC9FF0A105D50B8FF4A85E6DCA9D3CB" xlink:to="loc_us-gaap_CostOfSalesMember_28987DF5DA961D9BA0CF85E6DCA9CA15" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_SellingGeneralAndAdministrativeMember" xlink:label="loc_utx_SellingGeneralAndAdministrativeMember_33AA195D2C9106A3B15585E6DCA94A7D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndOtherCostsByStatementOfOperationsLocationsDomain_0BC9FF0A105D50B8FF4A85E6DCA9D3CB" xlink:to="loc_utx_SellingGeneralAndAdministrativeMember_33AA195D2C9106A3B15585E6DCA94A7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_D7464E273E3A6D60DD6C85E6DCB94B6B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_D7464E273E3A6D60DD6C85E6DCB94B6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_D7464E273E3A6D60DD6C85E6DCB94B6B" xlink:to="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtisMember" xlink:label="loc_utx_OtisMember_75890924A7A2D9BF648485E6DCB99070" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:to="loc_utx_OtisMember_75890924A7A2D9BF648485E6DCB99070" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCClimateControlsAndSecurityMember" xlink:label="loc_utx_UTCClimateControlsAndSecurityMember_C689F3634B3BA8EDE76C85E6DCB99DA0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:to="loc_utx_UTCClimateControlsAndSecurityMember_C689F3634B3BA8EDE76C85E6DCB99DA0" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PrattAndWhitneyMember" xlink:label="loc_utx_PrattAndWhitneyMember_11EFC83B6E6C8F82E5A685E6DCB98433" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:to="loc_utx_PrattAndWhitneyMember_11EFC83B6E6C8F82E5A685E6DCB98433" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCAerospaceSystemsMember" xlink:label="loc_utx_UTCAerospaceSystemsMember_4370279C324B3400610B85E6DCB9A6E7" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:to="loc_utx_UTCAerospaceSystemsMember_4370279C324B3400610B85E6DCB9A6E7" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_SikorskyMember" xlink:label="loc_utx_SikorskyMember_BC0F7C9BA57E1F149CB485E6DCB9B849" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_DA7F6F5663943AE3A48185E6DCB94CA6" xlink:to="loc_utx_SikorskyMember_BC0F7C9BA57E1F149CB485E6DCB9B849" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringAndRelatedCostsActionsByYearAxis" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_711DB8333A5E78971E6185E6DCB96F88" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_711DB8333A5E78971E6185E6DCB96F88" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringAndRelatedCostsActionsByYearDomain" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_E99A5D943AA620A6196C85E6DCB9740D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_711DB8333A5E78971E6185E6DCB96F88" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_E99A5D943AA620A6196C85E6DCB9740D" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_CurrentYearActionsMember" xlink:label="loc_utx_CurrentYearActionsMember_C5CD4F1BEA6197B681F085E6DCB9FD20" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_E99A5D943AA620A6196C85E6DCB9740D" xlink:to="loc_utx_CurrentYearActionsMember_C5CD4F1BEA6197B681F085E6DCB9FD20" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PriorYearActionsMember" xlink:label="loc_utx_PriorYearActionsMember_EF5BF5A11E279FE8E53F85E6DCB9AC37" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_E99A5D943AA620A6196C85E6DCB9740D" xlink:to="loc_utx_PriorYearActionsMember_EF5BF5A11E279FE8E53F85E6DCB9AC37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_BB4FC96CECEC8CD1908085E6DCB94553" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_BB4FC96CECEC8CD1908085E6DCB94553" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_BA49B7014AF369ABBAC085E6DCB903F8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_BB4FC96CECEC8CD1908085E6DCB94553" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_BA49B7014AF369ABBAC085E6DCB903F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_AD74354F2E9645BE220185E6DCB96BA5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_BA49B7014AF369ABBAC085E6DCB903F8" xlink:to="loc_us-gaap_EmployeeSeveranceMember_AD74354F2E9645BE220185E6DCB96BA5" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_AssetWriteDownsMember" xlink:label="loc_utx_AssetWriteDownsMember_D93C5D3781AEAA78B29685E6DCB97D00" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_BA49B7014AF369ABBAC085E6DCB903F8" xlink:to="loc_utx_AssetWriteDownsMember_D93C5D3781AEAA78B29685E6DCB97D00" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_FacilityExitMember" xlink:label="loc_utx_FacilityExitMember_3FF88858AF38D616BD2285E6DCB96DB3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_BA49B7014AF369ABBAC085E6DCB903F8" xlink:to="loc_utx_FacilityExitMember_3FF88858AF38D616BD2285E6DCB96DB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5C9632628587118E187985E6DCA9C128" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_65A60EC97AF886E2696C85E6DCB9B4AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_us-gaap_RestructuringReserve_65A60EC97AF886E2696C85E6DCB9B4AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_3FDCA73096D616B30BF485E6DCB9162F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_us-gaap_RestructuringCharges_3FDCA73096D616B30BF485E6DCB9162F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringReserveSettled" xlink:label="loc_utx_RestructuringReserveSettled_2D23B7009C31C27DF2A785E6DCB91852" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_utx_RestructuringReserveSettled_2D23B7009C31C27DF2A785E6DCB91852" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_19F044A71FFD394481A685E6DCB9D27D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_us-gaap_RestructuringReserve_19F044A71FFD394481A685E6DCB9D27D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost" xlink:label="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_D5A13027E34BA3CC099C85E6DCB94DB5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_D5A13027E34BA3CC099C85E6DCB94DB5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost_F5E62A190CE898923F9B85E6DCB918C4" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost_F5E62A190CE898923F9B85E6DCB918C4" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringAndRelatedCostExpectedRemaining" xlink:label="loc_utx_RestructuringAndRelatedCostExpectedRemaining_1DDFCDD58A1656E3504085E6DCB99EDA" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_C1533CF6F96A0389912E85E6DCB9C82B" xlink:to="loc_utx_RestructuringAndRelatedCostExpectedRemaining_1DDFCDD58A1656E3504085E6DCB99EDA" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RestructuringReserveTwoYearsPriorActions" xlink:label="loc_utx_RestructuringReserveTwoYearsPriorActions_4470C4FBF17896B4149385E6DCB95CE4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_43D7ADA1D9B3769A2A5585E6DCA9B569" xlink:to="loc_utx_RestructuringReserveTwoYearsPriorActions_4470C4FBF17896B4149385E6DCB95CE4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/RestructuringAndOtherCostsTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B2620DB812633BF0A20685668875B2AF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_BCBFD404CD5C9AA933968566887578CA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B2620DB812633BF0A20685668875B2AF" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_BCBFD404CD5C9AA933968566887578CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock" xlink:label="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_BB8D2F232FB983406B5A85668885A3DC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_B2620DB812633BF0A20685668875B2AF" xlink:to="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_BB8D2F232FB983406B5A85668885A3DC" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialData" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EA4D299B6492C7E71C4073D19989E671" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_E83384D622AA0537B99E73D19989C4CA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_EA4D299B6492C7E71C4073D19989E671" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_E83384D622AA0537B99E73D19989C4CA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataNarrativeDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4CA3E4BC9561EC9EAF2884C563B565D4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_4CA3E4BC9561EC9EAF2884C563B565D4" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_6D0FCBA7B922C12BE31D84C563B68BED" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:to="loc_us-gaap_ConsolidationItemsAxis_6D0FCBA7B922C12BE31D84C563B68BED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_70ABC02995715BFFF1A084C563BB679F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_6D0FCBA7B922C12BE31D84C563B68BED" xlink:to="loc_us-gaap_ConsolidationItemsDomain_70ABC02995715BFFF1A084C563BB679F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_67149EFAEBBC6A22403184C563BBAE42" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_67149EFAEBBC6A22403184C563BBAE42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_4F6539A7F6C2076EE4E884C563BB2884" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_67149EFAEBBC6A22403184C563BBAE42" xlink:to="loc_us-gaap_SegmentDomain_4F6539A7F6C2076EE4E884C563BB2884" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsegmentsConsolidationItemsAxis" xlink:label="loc_us-gaap_SubsegmentsConsolidationItemsAxis_15C6DA7D1307DCCB7BBC84C563BBC5ED" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:to="loc_us-gaap_SubsegmentsConsolidationItemsAxis_15C6DA7D1307DCCB7BBC84C563BBC5ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsegmentsConsolidationItemsDomain" xlink:label="loc_us-gaap_SubsegmentsConsolidationItemsDomain_F04553CE747D41C7D2BB84C563BB08AD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsConsolidationItemsAxis_15C6DA7D1307DCCB7BBC84C563BBC5ED" xlink:to="loc_us-gaap_SubsegmentsConsolidationItemsDomain_F04553CE747D41C7D2BB84C563BB08AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsegmentsAxis" xlink:label="loc_us-gaap_SubsegmentsAxis_4BBCE8F853A09CD2BA4684C563BBC3AB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:to="loc_us-gaap_SubsegmentsAxis_4BBCE8F853A09CD2BA4684C563BBC3AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsegmentsDomain" xlink:label="loc_us-gaap_SubsegmentsDomain_AA39CF3443E31A6946FA84C563BB4E18" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsegmentsAxis_4BBCE8F853A09CD2BA4684C563BBC3AB" xlink:to="loc_us-gaap_SubsegmentsDomain_AA39CF3443E31A6946FA84C563BB4E18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_769C3B82D4B05821951A84C563BB483F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_21AFE667F3C5EA23C4A384C563B68944" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_769C3B82D4B05821951A84C563BB483F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataTableDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1F34DB0B41D6C46860BC73D19989844F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6374FE58CF8B1F7BE4E673D19989C405" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_1F34DB0B41D6C46860BC73D19989844F" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6374FE58CF8B1F7BE4E673D19989C405" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_B6392AFFB4310DCC371B73D199894805" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6374FE58CF8B1F7BE4E673D19989C405" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_B6392AFFB4310DCC371B73D199894805" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B6392AFFB4310DCC371B73D199894805" xlink:to="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtisMember" xlink:label="loc_utx_OtisMember_EB3C0EE723CA5C39AC9173D199893053" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_OtisMember_EB3C0EE723CA5C39AC9173D199893053" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCClimateControlsAndSecurityMember" xlink:label="loc_utx_UTCClimateControlsAndSecurityMember_210779AB216D2791E35773D199893346" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_UTCClimateControlsAndSecurityMember_210779AB216D2791E35773D199893346" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_PrattAndWhitneyMember" xlink:label="loc_utx_PrattAndWhitneyMember_B255CA39D48031E16DCE73D19989A6EF" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_PrattAndWhitneyMember_B255CA39D48031E16DCE73D19989A6EF" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_UTCAerospaceSystemsMember" xlink:label="loc_utx_UTCAerospaceSystemsMember_223E4F1BB6B4E2C13CC773D1998949D9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_UTCAerospaceSystemsMember_223E4F1BB6B4E2C13CC773D1998949D9" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_SikorskyMember" xlink:label="loc_utx_SikorskyMember_B801B547E424E321F9BF73D19989F196" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_SikorskyMember_B801B547E424E321F9BF73D19989F196" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_TotalSegmentsMember" xlink:label="loc_utx_TotalSegmentsMember_A9D28DA716A80C8CDF0173D19989A8E4" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_TotalSegmentsMember_A9D28DA716A80C8CDF0173D19989A8E4" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EliminationsAndOtherMember" xlink:label="loc_utx_EliminationsAndOtherMember_267B8C4FA6848134C0E173D19989B1C7" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_EliminationsAndOtherMember_267B8C4FA6848134C0E173D19989B1C7" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_GeneralCorporateExpensesMember" xlink:label="loc_utx_GeneralCorporateExpensesMember_6C50B22C8E5BFF5E0F5B73D19989480E" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_79AE0C06B7289DCC744B73D19989D282" xlink:to="loc_utx_GeneralCorporateExpensesMember_6C50B22C8E5BFF5E0F5B73D19989480E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_E021F49BE280CD88E76473D199899535" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6374FE58CF8B1F7BE4E673D19989C405" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_E021F49BE280CD88E76473D199899535" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_190AA49840A6FAF4E79B73D19989F190" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_E021F49BE280CD88E76473D199899535" xlink:to="loc_us-gaap_SalesRevenueNet_190AA49840A6FAF4E79B73D19989F190" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_B7081EA5DA959543202B73D19989E6DD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_E021F49BE280CD88E76473D199899535" xlink:to="loc_us-gaap_OperatingIncomeLoss_B7081EA5DA959543202B73D19989E6DD" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OperatingProfitMargin" xlink:label="loc_utx_OperatingProfitMargin_6EF95953EFF044090CD773D1998958FC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_E021F49BE280CD88E76473D199899535" xlink:to="loc_utx_OperatingProfitMargin_6EF95953EFF044090CD773D1998958FC" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_C393E035AEF50629111773D19A93A224" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_5E680486852E693668CB73D19A9390E9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_C393E035AEF50629111773D19A93A224" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_5E680486852E693668CB73D19A9390E9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterest" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6FF51E3E976A365B658973D1996A896B" xlink:type="locator" />
    <loc xlink:href="utx-20140331.xsd#utx_StockholdersEquityAndNoncontrollingInterestDisclosureTextBlock" xlink:label="loc_utx_StockholdersEquityAndNoncontrollingInterestDisclosureTextBlock_4E0B89F4D71D58A3495973D1996A491A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_6FF51E3E976A365B658973D1996A896B" xlink:to="loc_utx_StockholdersEquityAndNoncontrollingInterestDisclosureTextBlock_4E0B89F4D71D58A3495973D1996A491A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestReclassAndChangesInAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAbstract" xlink:label="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAbstract_AA2618109D70DF06F17A9567A20557F0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAbstract_AA2618109D70DF06F17A9567A20557F0" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_6AFF580374DE941F761B9567A20A7672" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_6AFF580374DE941F761B9567A20A7672" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_6AFF580374DE941F761B9567A20A7672" xlink:to="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_61E66F27B55A8034B6F09567A20BF22D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_61E66F27B55A8034B6F09567A20BF22D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_9ABC7639304B8ADE08FB9567A20B4769" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_9ABC7639304B8ADE08FB9567A20B4769" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_18B448302F73E6A2E7169567A20C6D0F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_18B448302F73E6A2E7169567A20C6D0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_15FEF1DA9754F78F89849567A20CE240" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_B91995DE66EC1BB9D01B9567A20B8460" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_15FEF1DA9754F78F89849567A20CE240" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_1A79628D2A25654418199567A20C1CBE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_1A79628D2A25654418199567A20C1CBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_DBBD1BCADF1CF6E9F2799567A20C9025" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_1A79628D2A25654418199567A20C1CBE" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_DBBD1BCADF1CF6E9F2799567A20C9025" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_7D6489E38B0AD30339099567A20C9687" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_DBBD1BCADF1CF6E9F2799567A20C9025" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_7D6489E38B0AD30339099567A20C9687" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_B3CCD826390A98951C069567A20D4F1E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_B3CCD826390A98951C069567A20D4F1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7BAE076D361A83B7CF0F9567A20D7D16" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_B3CCD826390A98951C069567A20D4F1E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7BAE076D361A83B7CF0F9567A20D7D16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_95507340D575E39DF1349567A20D0442" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7BAE076D361A83B7CF0F9567A20D7D16" xlink:to="loc_us-gaap_ForeignExchangeContractMember_95507340D575E39DF1349567A20D0442" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:label="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_AECE964BDB3A22231DEF9567A2099120" xlink:to="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2AFC71CE2769F77FD68E9567A20EA976" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2AFC71CE2769F77FD68E9567A20EA976" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_C0781336DD890B8ACD6D9567A20EB46D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_C0781336DD890B8ACD6D9567A20EB46D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_8B2307F1ECE0E9AB89A19567A20EB542" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_8B2307F1ECE0E9AB89A19567A20EB542" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_58EDEA9F154CE1E74E919567A20E6D22" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_58EDEA9F154CE1E74E919567A20E6D22" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_E4A43CDA74BEE9E1771D9567A20E3C65" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_E4A43CDA74BEE9E1771D9567A20E3C65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_96666E2C94E38BB0C6FF9567A20F3179" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_OtherIncome_96666E2C94E38BB0C6FF9567A20F3179" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditAndNetTransitionAssetObligationBeforeTax" xlink:label="loc_utx_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditAndNetTransitionAssetObligationBeforeTax_D4C9A8C45D07D3620F049567A20FBC84" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_utx_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditAndNetTransitionAssetObligationBeforeTax_D4C9A8C45D07D3620F049567A20FBC84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_B76FC3995B454B95FECB9567A20FEA69" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_B76FC3995B454B95FECB9567A20FEA69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_8169ED748CEB66A4682D9567A20F7623" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_8169ED748CEB66A4682D9567A20F7623" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_E836278A66EE203C8AAF9567A20F58BF" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeLineItems_D6A1E24CA07183F8FF759567A20EDCFD" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_E836278A66EE203C8AAF9567A20F58BF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestSummaryOfChangesInShareownersEquityAndNoncontrollingInterestDetails" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2E6CED4D0D6A2454F4608F017E3CA3A6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:to="loc_us-gaap_StatementTable_2E6CED4D0D6A2454F4608F017E3CA3A6" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_StatementEquityAndRedeemableNoncontrollingInterestComponentsAxis" xlink:label="loc_utx_StatementEquityAndRedeemableNoncontrollingInterestComponentsAxis_DD16872803AC5EFDBFBA8F017E3CC3FB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2E6CED4D0D6A2454F4608F017E3CA3A6" xlink:to="loc_utx_StatementEquityAndRedeemableNoncontrollingInterestComponentsAxis_DD16872803AC5EFDBFBA8F017E3CC3FB" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_EquityAndRedeemableNoncontrollingInterestComponentDomain" xlink:label="loc_utx_EquityAndRedeemableNoncontrollingInterestComponentDomain_8686E633E690F61E97BE8F017E3C7944" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_StatementEquityAndRedeemableNoncontrollingInterestComponentsAxis_DD16872803AC5EFDBFBA8F017E3CC3FB" xlink:to="loc_utx_EquityAndRedeemableNoncontrollingInterestComponentDomain_8686E633E690F61E97BE8F017E3C7944" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_80D392BF7A47FF60B3398F017E3CE6C0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_EquityAndRedeemableNoncontrollingInterestComponentDomain_8686E633E690F61E97BE8F017E3C7944" xlink:to="loc_us-gaap_ParentMember_80D392BF7A47FF60B3398F017E3CE6C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_DD8AA0EA4501F3DEEF608F017E3C5BCD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_EquityAndRedeemableNoncontrollingInterestComponentDomain_8686E633E690F61E97BE8F017E3C7944" xlink:to="loc_us-gaap_NoncontrollingInterestMember_DD8AA0EA4501F3DEEF608F017E3C5BCD" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RedeemableNoncontrollingInterestMember" xlink:label="loc_utx_RedeemableNoncontrollingInterestMember_0885FF58882E79F28E478F017E3C64E2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_EquityAndRedeemableNoncontrollingInterestComponentDomain_8686E633E690F61E97BE8F017E3C7944" xlink:to="loc_utx_RedeemableNoncontrollingInterestMember_0885FF58882E79F28E478F017E3C64E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2E6CED4D0D6A2454F4608F017E3CA3A6" xlink:to="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_29872DBFAE524E4319698F017E3C7F9C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_29872DBFAE524E4319698F017E3C7F9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_711255BEA874E78629638F017E3C06E1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_711255BEA874E78629638F017E3C06E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_76AD4C455D9D682A2B398F017E3C253B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_ProfitLoss_76AD4C455D9D682A2B398F017E3C253B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_E0CC971D439FA611428F8F017E3CCACC" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_E0CC971D439FA611428F8F017E3CCACC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_EF89758FAC9E58385A3F8F017E3C8502" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_EF89758FAC9E58385A3F8F017E3C8502" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_972AFF0BE8658055922B8F017E3C6B09" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_972AFF0BE8658055922B8F017E3C6B09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_80619F1D6CB5B59A6F1C8F017E3CBF64" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_80619F1D6CB5B59A6F1C8F017E3CBF64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_640E44AB851D02DB2F8A8F017E3C48F2" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_640E44AB851D02DB2F8A8F017E3C48F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_3C2A50C80C3469294F3D8F017E3C48C9" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_DividendsCommonStock_3C2A50C80C3469294F3D8F017E3C48C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_1E11AD21E8CBCED285288F017E3CB92D" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_1E11AD21E8CBCED285288F017E3CB92D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_DE4685A71E01BF9A8C178F017E3CD15B" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_DE4685A71E01BF9A8C178F017E3CD15B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_2562D61D9AB42AE4188A8F017E3C7F78" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_2562D61D9AB42AE4188A8F017E3C7F78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_69F31806E96F7ADA674C8F017E3C82BC" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_69F31806E96F7ADA674C8F017E3C82BC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RedeemableNoncontrollingInterestinSubsidiariesEarning" xlink:label="loc_utx_RedeemableNoncontrollingInterestinSubsidiariesEarning_441E5E07245ABE63A8658F017E3CF81F" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_utx_RedeemableNoncontrollingInterestinSubsidiariesEarning_441E5E07245ABE63A8658F017E3CF81F" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_RedeemableNoncontrollingInterestInOtherComprehensiveIncomeLoss" xlink:label="loc_utx_RedeemableNoncontrollingInterestInOtherComprehensiveIncomeLoss_84F8181D8D745205ECCF8F017E3CC0FC" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_utx_RedeemableNoncontrollingInterestInOtherComprehensiveIncomeLoss_84F8181D8D745205ECCF8F017E3CC0FC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_AmountOfRedeemableNoncontrollingInterestReclassified" xlink:label="loc_utx_AmountOfRedeemableNoncontrollingInterestReclassified_D6A99B83579FE3A08ED18F017E3CDB3B" xlink:type="locator" />
    <presentationArc order="16" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_utx_AmountOfRedeemableNoncontrollingInterestReclassified_D6A99B83579FE3A08ED18F017E3CDB3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_EC100BE90F9E7AD8F79F8F017E3C4514" xlink:type="locator" />
    <presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_EC100BE90F9E7AD8F79F8F017E3C4514" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TemporaryEquityRedemptionValue" xlink:label="loc_us-gaap_TemporaryEquityRedemptionValue_D466A86F42BB238AFF158F017E3C2B27" xlink:type="locator" />
    <presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_TemporaryEquityRedemptionValue_D466A86F42BB238AFF158F017E3C2B27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TemporaryEquityRedemptionValue" xlink:label="loc_us-gaap_TemporaryEquityRedemptionValue_D5AA222B7E6D877987CC8F017E3C1F19" xlink:type="locator" />
    <presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_73EB424F88E79933C0888F017E3CA688" xlink:to="loc_us-gaap_TemporaryEquityRedemptionValue_D5AA222B7E6D877987CC8F017E3C1F19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" xlink:label="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent_83331716B0B4259871A98F017E3CAC69" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:to="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent_83331716B0B4259871A98F017E3CAC69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent" xlink:label="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent_456F8E6FFA75259F496C8F017E3C9FD1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:to="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent_456F8E6FFA75259F496C8F017E3C9FD1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" xlink:label="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet_C01FF6B21073747084348F017E3C3D75" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:to="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet_C01FF6B21073747084348F017E3C3D75" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_14D7AA5464FA49DECFC68F017E3C7423" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_939ACD71D4FA3A239FE48F017E3CC216" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_14D7AA5464FA49DECFC68F017E3C7423" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.utc.com/role/ShareownersEquityAndNoncontrollingInterestTables" xlink:type="extended">
    <loc xlink:href="utx-20140331.xsd#utx_NotesToCondensedConsolidatedFinancialStatementsAbstract" xlink:label="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FD390F2B3EDF92FFC2D573D19A9346C6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_356296C7913152A3C2CC73D19A93F088" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FD390F2B3EDF92FFC2D573D19A9346C6" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_356296C7913152A3C2CC73D19A93F088" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_6DDD7BF61AA48278914373D19A9333EC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FD390F2B3EDF92FFC2D573D19A9346C6" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_6DDD7BF61AA48278914373D19A9333EC" xlink:type="arc" />
    <loc xlink:href="utx-20140331.xsd#utx_TemporaryEquityTextBlock" xlink:label="loc_utx_TemporaryEquityTextBlock_85FE2FDD408F7DE7A6E973D19A9300E3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FD390F2B3EDF92FFC2D573D19A9346C6" xlink:to="loc_utx_TemporaryEquityTextBlock_85FE2FDD408F7DE7A6E973D19A9300E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock" xlink:label="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_0F6AFDA79766EB69621E73D19A93A2F8" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_NotesToCondensedConsolidatedFinancialStatementsAbstract_FD390F2B3EDF92FFC2D573D19A9346C6" xlink:to="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_0F6AFDA79766EB69621E73D19A93A2F8" xlink:type="arc" />
  </presentationLink>
</linkbase>
