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11allowingthemtosavemorefuelinlighterapplications.Todecreaseowningandoperatingcoststhedozerisdesignedforquickandeasyroutinemaintenance.TheParallelLinkUndercarriageSystemarotarybushingsystemthatdoublestheundercarriagelifecomparedtopriorconventionalsystemsisanothercost-savingfeature.HM300Tier4FinalArticulatedDumpTruckTheHM300a30.9-tonpayloadarticulateddumptruckcomesequippedwitha325-hpTier4Finalenginethatmaintainstheproductivityandperformanceofpreviousmodelswhileagaindeliveringbetterfueleconomy.Thebodydesignhasbeenoptimizedtoincreasecapacityandpayload.Thelowloadingheightjustover9feetisdesignedtoworkwiththesizeexcavatorsandloadersthataretypicallyusedtoloadthesetrucks.ThetruckisequippedwiththeKomatsuTractionControlsystemwhichautomaticallyprovidesoptimumtractionwhenoperatinginsoftgroundconditions.Whenspeedsensorsonfourwheelsdetecttireslippagetheinter-axledifferentiallocks.Fourindependentbrakescanalsobeappliedtoslippingwheelstoregaintraction.Anautomaticsystemalsoselectstheidealgearbasedonspeedenginerpmandshiftpositionandanautomaticretardereliminatesaccelerationduetoslopeduringdownhilltravel.PRODUCTNEWSContactyourColumbusEquipmentsalesrepfordetailsaboutanyofthenewKomatsumachines.AllKomatsuTier4machinescomewithKomatsuCAREwhichprovidescomplimentaryscheduledmaintenanceforthefirstthreeyearsor2000hours.Thelowloadingheightjustover9feetisdesignedtoworkwiththesizeexcavatorsandloadersthataretypicallyusedtoloadthesetrucks.