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  <element name="OwnershipPercentageByRelatedParties" id="alsn_OwnershipPercentageByRelatedParties" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentedTechnologyCommercialMember" id="alsn_PatentedTechnologyCommercialMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentedTechnologyDefenseMember" id="alsn_PatentedTechnologyDefenseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PresidentAndChiefExecutiveOfficerMember" id="alsn_PresidentAndChiefExecutiveOfficerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrimeRateOrFederalFundsRatePlusZeroPointFiveZeroPercentMember" id="alsn_PrimeRateOrFederalFundsRatePlusZeroPointFiveZeroPercentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductModels" id="alsn_ProductModels" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProprietaryTechnologyMember" id="alsn_ProprietaryTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PublicOfferingFeesAndExpenses" id="alsn_PublicOfferingFeesAndExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReductionOfBasisOfCapitalAssetsPurchasedUnderGrantProgram" id="alsn_ReductionOfBasisOfCapitalAssetsPurchasedUnderGrantProgram" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RefinancingOfLineOfCreditMember" id="alsn_RefinancingOfLineOfCreditMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RequiredSeniorSecuredLeverageRatio" id="alsn_RequiredSeniorSecuredLeverageRatio" type="xbrli:pureItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ResearchAndDevelopmentPayable" id="alsn_ResearchAndDevelopmentPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SalesAllowances" id="alsn_SalesAllowances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAcquiredFiniteAndIndefiniteLivedIntangibleAssetByMajorClassTable" id="alsn_ScheduleOfAcquiredFiniteAndIndefiniteLivedIntangibleAssetByMajorClassTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfEmployeeBenefitPlansLineItems" id="alsn_ScheduleOfEmployeeBenefitPlansLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfEmployeeBenefitPlansTable" id="alsn_ScheduleOfEmployeeBenefitPlansTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfInterestRateDerivativeInstrumentsInStatementOfResultOfOperationsGainLossRecognizedOnInterestRateDerivativesTableTextBlock" id="alsn_ScheduleOfInterestRateDerivativeInstrumentsInStatementOfResultOfOperationsGainLossRecognizedOnInterestRateDerivativesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SecondaryPublicOfferingMember" id="alsn_SecondaryPublicOfferingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorCashPayNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" id="alsn_SeniorCashPayNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFixedDueDate" id="alsn_SeniorNotesFixedDueDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" id="alsn_SeniorNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBThreeDueDate" id="alsn_SeniorSecuredCreditFacilityTermBThreeDueDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandNineteenMember" id="alsn_SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBTwoDueDate" id="alsn_SeniorSecuredCreditFacilityTermBTwoDueDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBTwoLoanVariableDueTwoThousandSeventeenMember" id="alsn_SeniorSecuredCreditFacilityTermBTwoLoanVariableDueTwoThousandSeventeenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SevenPointOneTwoFivePercentSeniorNotesMember" id="alsn_SevenPointOneTwoFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ToolingRightsMember" id="alsn_ToolingRightsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TotalLeverageRatio" id="alsn_TotalLeverageRatio" type="xbrli:pureItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TransmissionProductLines" id="alsn_TransmissionProductLines" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncategorizedAbstract" id="alsn_UncategorizedAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="USGovernmentContractsMember" id="alsn_USGovernmentContractsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VehicleConfigurations" id="alsn_VehicleConfigurations" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorBuybackObligation" id="alsn_VendorBuybackObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WorldwideIndependentDistributorAndDealerLocations" id="alsn_WorldwideIndependentDistributorAndDealerLocations" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="YearOfIntroductionOfCompanyAutomaticProducts" id="alsn_YearOfIntroductionOfCompanyAutomaticProducts" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
