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  <xsd:element abstract="true" id="alsn_SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandTwentyTwoMember" name="SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandTwentyTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_ServicePartsSupportEquipmentAndOtherMember" name="ServicePartsSupportEquipmentAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_ShareRepurchaseProgramTwentySixteenMember" name="ShareRepurchaseProgramTwentySixteenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_StockRepurchaseProgramAuthorizedTextBlock" name="StockRepurchaseProgramAuthorizedTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_StockRepurchaseProgramIncreaseInAuthorizedAmount" name="StockRepurchaseProgramIncreaseInAuthorizedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="alsn_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_TC10ProductMember" name="TC10ProductMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_TaxCutsAndJobsActChangeinTaxRateIncomeTaxExpenseBenefit" name="TaxCutsAndJobsActChangeinTaxRateIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="alsn_TaxCutsAndJobsActIncomeTaxExpenseBenefit" name="TaxCutsAndJobsActIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="alsn_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredIncomeTaxExpenseBenefit" name="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="alsn_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" name="TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="alsn_TaxCutsandJobsActDecreaseinDeferredTaxLiabilityduetoTransitionTax" name="TaxCutsandJobsActDecreaseinDeferredTaxLiabilityduetoTransitionTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_ToolingRightsMember" name="ToolingRightsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_TotalLeverageRatioThresholdForCommitmentFeeReduction" name="TotalLeverageRatioThresholdForCommitmentFeeReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="alsn_TotalLeverageRatioThresholdForRateReduction" name="TotalLeverageRatioThresholdForRateReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="alsn_TransmissionProductLines" name="TransmissionProductLines" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_ValueactCapitalMasterFundLpMember" name="ValueactCapitalMasterFundLpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_VendorBuybackObligation" name="VendorBuybackObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="alsn_VolvoGroupOneMember" name="VolvoGroupOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="alsn_VotingCommonStockMember" name="VotingCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="alsn_WorldwideIndependentDistributorAndDealerLocations" name="WorldwideIndependentDistributorAndDealerLocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
</xsd:schema>
