Photos may include optional equipment.

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EnginE PowEr 125kW / 168HP @ 2200rpm

oPErating wEights D61EXi - Drawbar: 17890 kg

D61EXi - Rippers: 19647 kgD61PXi - Drawbar: 18770 kg

D61PXi - Rippers: 20527 kg

D61EXi/PXi-23

D61EXi/PXiaustralian & New zealand specification

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C R A W L E R D O Z E RD61EXi/PXi-23

Unmatched visibility and safety•Uniquesuper-slantnose•Cab-forwarddesign•IntegratedROPS/FOPS•Rearviewcamerasystem•Ultimatebladingmachine•Nocables•Nopoles•Noexternalcomponents

high prodUctivity & low fUel consUmption•LowconsumptionEUStageIIIB/EPATier4interimengine•Highlyefficienthydrostaticdriveline•StraightPowerAngleTiltbladewithadjustablepitch•Electronically-controlled,hydraulically-drivenfan

TheKomatsuD61EXi/PXi-23IntelligentMachineControldozeroffersanoutstandingimprovementinproductivitywithitsinnovativeandfullyautomaticbladecontrolfunctionthatperformsbothroughdozingandfinishgradeinautomaticmode.Allmachinecontrolcomponentsareintegratedintothedozeratthefactory,andworktogetherwithotherKomatsumachinepartstodeliveroptimalproductionlevels.Withasuper-slantnoseandrearmountedcooler,theD61EXi/PXi-23dozerisreliableandversatileandoffersthebestvalueforyourmoney.Infact,itisuniqueandunrivelledonthemarkettoday.

intelligent machine control•3DGNSSsystem•Integrated&standardfactoryinstalled•Automatedoperationfromroughdozingtofinishgrade•Highlyincreasedefficiency•Stablepositionreadingbetterfixturegreateraccuracy•Loadsensinghydraulics•Strokesensingcylinders•AbletocommunicatewithanyOEMUHFDigitalIIbasestations•NetworkRTKReady

waLK-aroUnD

3

HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

EnginE PowEr125 kW / 168 HP @ 2.200 rpm

oPErating wEights D61EXi - Drawbar: 17890 kgD61EXi - Rippers: 19647 kgD61PXi - Drawbar: 18770 kgD61PXi - Rippers: 20527 kg

first-class operator comfort•Outstanding360°visibility•Largeandquietpressurisedcab•EasycontrolwithPalmCommandControlSystemjoysticks(PCCS)•Air-suspendeddriverseatpositionedclosetocentreofgravity

high reliability and dUrability•KomatsuPLUSundercarriagestandard•Modularpowertraindesign•Heavy-platesteelusedthroughout•Mainframemadewithweldedandcastparts•Fulllengthtrackguards

easy maintenance•Rear-mountradiatorwithswing-uphydraulicfan•Monitorwithself-diagnosticfunction•Simpleandconvenientaccesstoservicepoints

KomatsuWirelessFleetMonitoringSystem

Komplimentarymaintenanceprogramforcustomers

waLK-aroUnD

4

C R A W L E R D O Z E RD61EXi/PXi-23

innovative intelligent Machine ControlTheD61EXi/PXi-23comeswithafullyfactoryinstalled3DGlobalNavigationSatelliteSystem(GNSS)MachineControlsystem.Add-oncomponentsformachinecontroltypicallymountedonthebladearenowreplacedwithafactoryinstalledcabtopGNSSantenna,anenhancedinertialmeasuringunit(IMU+),andwithstrokesensinghydrauliccylinders.Thisintegratedsensorpackageisrobustandaccurate.Iteliminatesthedailyhasslesofinstallingandremovingantennasandcablesfromtheblade,andthewearassociatedwithit.

automatic dozing from start to finish Whilehigh-precisionfinishgradingcanbeachievedbydozerswithaconventionalcontrolsystem,theD61EXi/PXi-23canalsoperformroughdozinginautomaticmode.Whenroughdozing,thefullyautomaticbladecontrolmonitorsbladeloadandadjustsbladeelevation,tominimisetrackslipand,maximisingproductivitykeepingyou’rebladefullalldaylongforhigh-efficiencydozing.Bladecontroladjuststoprovidefinishgradeperformancewithhigh-levelprecision.

intELLigEnt MaChinE ControL

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HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

intELLigEnt MaChinE ControL

we've made great, grEatEr

Komatsu d61pX-23 with typical aftermarket machine control system

6

C R A W L E R D O Z E RD61EXi/PXi-23

Factory integratedAllcomponentsformachinecontrolareinstalledduringassemblyattheKomatsumanufacturingfacility,ensuringareliableandhighqualityinstallation.

Cab top gnss antennaNomoreworriesaboutblademountedantennasorcables.ThecabtopGNSSantennaonyourD61EXi/PXi-23reducesriskofdamageandtheft.

Enhanced inertial measuring unit (iMU+)Chassismountedenhancedinertialmeasuringunit(IMU+)andintelligentlogicprovidesforfinishgradeaccuracywithoutblademountedsensors.Positionalupdatesupto100times/second,forhighspeedautomaticoperations.

stroke sensing hydraulic cylindersRobuststrokesensinghydrauliccylindersemployprovenKomatsusensortechnologiesforaccuratefinishgradeperformance.Strokesensinganglecylinderallowsmachinecontrolsystemtoknowtheangleoftheblade.

intuitive selectable load settingsMachinecontrolloadsettingscanbeadjustedbetweenpresetstotailorresponsetomaterialconditions.Fromdryloosesandysoilstowetheavyclaymaterials,systemperformancecanbetargetedaccordingly.

standard touch screen control boxFactoryinstalledandfeaturessimple,easytouseoperatorinterface.Mountedhighforexcellentvisibility,viewingangleisadjustableperoperatorpreference.

Load modes

Dozing modes

intELLigEnt MaChinE ControL

7

HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

improved efficiencyThefullyautomaticmodesdrasticallyimproveefficiencyofdozeroperationsanddramaticallyreducere-doworkwithinyourproject.Operatorscannowcontroltheirfilllayerswithautomaticcontrolgivingyoutotalcontrolofyourlayerqualityacrossyourentirejob.Intelligentmachinecontroltechnologyhelpsevenlessexperiencedoperatorsperformtopqualitywork.

as-built surface track mappingCabtopGNSSantennaprovidesforaccurateas-builtsurfacedatacollectionbymeasuringactualelevationsasmachinecontinuouslytracksinoperation.Progresscanbemeasuredinrealtimewithoperatorselectablesettings.

intELLigEnt MaChinE ControL

Nogradechecksrequired,removingtheneedforpeopletoworkaroundmobileequipment.

8

C R A W L E R D O Z E RD61EXi/PXi-23

the best viewAsuperslantnosegivestheD61EXi/PXi-23thebestvisibilityofanydozersonthemarket.Thisuniquefeaturedramaticallyincreasesefficiencyandjobsitesafety,withoperatorsnowalwayshavingfullviewofboththebladeandtheripperandofobjectsclosetothem.Thenewcab-forwarddesign,withintegratedROPS/FOPSandlargeglasswindows,providesmoreroomandplacestheoperatorclosertotheblade,furtherimprovingvisibilityandcomfort.

safe and easy accessForasaferentryandexit–andmaximumoperatorprotection,theD61EXi/PXi-23includesnumeroushand-railsandaccessstepsbothinsideandoutsidethecabin.Itisalsoeasiertorefuelorcleanwindows,ortoreachmostservicepoints.

Rear view camera system

UnMatChED visibiLity & saFEty

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HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

UnMatChED visibiLity & saFEty

10

C R A W L E R D O Z E RD61EXi/PXi-23

highly efficient hydrostatic drive lineThehydrostaticdrivelineisakeyfactorintheperformanceoftheD61EXi/PXi-23dozer.Itsupplieshighdrawbarpullwhenneededandahighlyfuelefficientdrivelineforgradingandprecisionwork.Withachoicebetweentwooperatingmodes,theoperatorcanselecteither“quick-shift”or“variablespeed”tomatchacompleterangeofapplicationsinthemosteconomicandeasyway.

hydrostatic transmission (hst) control systemTheunique,Komatsu-designedhydrostatictransmissioncontrollermonitorstheengineoutputandworkingequipmentortravelload.ItcontrolstheHSTpumpsandmotorsdisplacementtodeliveroptimumspeedanddrawbarpull.Inaddition,thecontrollerprovidesamplepowertobothtrackswhenturning,enablingcounterrotationatverylowspeedsandmakingtheD61EXi/PXi-23extremelymanoeuvrable.

new Komatsu engine technologyThepowerfulandfuel-efficientKomatsuSAA6D107E-2engineintheD61EXi/PXi-23delivers125kW/168HPandisEUStageIIIB/EPATier4interimcertified.Tomaximisepower,fuelefficiencyandemissioncompliance,itisturbochargedandfeaturesdirectfuelinjection,air-to-airaftercoolingandcooledEGR.

Variable nozzle

Oxidation catalyst

Soot filter

KVGT EGR valve

Cooler

EGR cooler

Komatsu Diesel Particulate Filter (KDPF)Komatsu’shighefficiencyDPFcapturesmorethan90%ofparticulatematter.Itincludesaspecialoxidationcatalystwithfuelinjectionsystemthatcanincineratetrappedparticulatesbyeitheractiveorpassiveregenerationwithnoneedtointerruptmachineoperations.

Exhaust gas recirculation (Egr)CooledEGRisatechnologywell-provenincurrentKomatsuengines.TheincreasedcapacityoftheEGRcoolernowensuresverylowNOxemissionsandabetterengineperformance.

Komatsu variable geometry turbo (Kvgt)TheKVGTprovidesoptimalairflowtotheenginecombustionchamberunderallspeedandloadconditions.Exhaustgasiscleaner,fueleconomyisimprovedwhilemachinepowerandperformancearemaintained.

high-Pressure Common rail (hPCr)Toachievecompletefuelburnandlowerexhaustemissions,theheavydutyHigh-PressureCommonRailfuelinjectionsystemiscomputercontrolledtodeliveraprecisequantityofpressurisedfuelintotheredesignedenginecombustionchamberbymultipleinjections.

Komatsu Closed Crankcase ventilation (KCCv)Crankcaseemissions(blow-bygas)arepassedthroughaCCVfilter.Theoilmisttrappedinthefilterisreturnedbacktothecrankcasewhilethefilteredgasisreturnedtotheairintake.

Injector

Electronic Control Unit

Common rail

Supply pump

KVGT KCCV

high ProDUCtivity & Low FUEL ConsUMPtion

11

HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

Efficient hydrostatic engine cooling fanThecoolingfanalwaysrunsatthelowestconvenientspeed.Rotationandvelocityareelectronicallyadjustedbasedonthetemperatureoftheenginecoolantandhydraulicoil.Thisreducesfuelconsumptionandoperatingnoiselevels,andrequireslesshorsepowerthanabelt-drivenfan.

automatic speed changeKomatsuHSTcontrolleralwayschangesthetravelspeedautomatically,dependingonloadorgroundconditions,andefficientoperationsarefacilitated–withnoshiftshocks.Thedozercanworkattheoptimalspeedanddrawbarpullpoint,increasingproductivityandfuelefficiency.

Forextraefficiency,thefanalsohasalargeairoutletsurface,andthecompleteinletareaisprotectedbyafinegrid,topreventsmallparticlesfromenteringthefanarea.Cleaningofthecoolersiseasy;withreversefanoptionselectedintheoperaterscabthroughtheKomatsuTFTmonitor.

high ProDUCtivity & Low FUEL ConsUMPtion

12

C R A W L E R D O Z E RD61EXi/PXi-23

First-CLass oPErator CoMFort

a smooth ride and lower noise levelsThecabontheD61EXi/PXi-23wasmovedforward,andoperatorsnowsitclosertothecentreofgravityofthemachine.Withtheripperstilleasilywithineyeshot,theyenjoythebestviewoftheblade,thelowestvibrationlevelsandthehigheststabilityofanydozeronthemarket.Siliconoilfilledcabdampermountsisolatetheoperatorcompartmentfromthemachinebodyandsuppressvibrations,providingaquiet,comfortableoperatingenvironment.Anewuniquelocationfortheradiator–attherearofthemachine–andthelowspeedofthehydraulicallydrivencoolingfanfurtherreducenoiselevels.

Pressurised cabTheintegratedROPS/FOPScab’snewdesignandlarge,tintedwindowsensureexcellentvisibilityinalldirections.Superiorcabsealing,airfiltersandraisedinternalairpressurepreventdustfromgettingintothecab.Inaddition,thehigh-qualityinteriorislinedwithsound-absorbentmaterial.

Fully-adjustable, air suspension seatThedriver’sseatandconsoleareamongstthemostimportantcomponentsofthedriver’sequipment.Thecomfortable,heavy-duty,airsuspensionseat,completewithheadrest,givestheoperatorasecureandcomfortableworkenvironment.

Easy operation controlTheergonomicPalmCommandControlSystem(PCCS)providesefficientandcomfortablesteeringofthemachine,andthebladecontroljoystickutilisesProportionalPressureControl(PPC)forpreciseoperations,excellentandeasygradingjobs–andimprovedproductivity.

Large 7” tFt colour multi monitorAlargeuser-friendlycolourmonitorenablessafe,accurateandsmoothwork.Itprovideson-handdatatocontinuouslyimproveproductivityandfuelconsumption.Multilingualandwithallessentialinformationavailableataglance,itfeaturessimpleandeasytooperateswitchesandmultifunctionkeysthatprovidetheoperatorwithfingertipaccesstoawiderangeoffunctionsandoperatinginformation.

LargeTFTcolourmultimonitor

PalmCommandControlSystem(PCCS)withautomatic/manualbladecontrolbutton

Combineddecelerator/brakepedal

Auxiliaryinput(MP3jack)

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HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

First-CLass oPErator CoMFort

14

C R A W L E R D O Z E RD61EXi/PXi-23

Self-adjustingidlersupport High-rigiditysimplehullframestructure

Low-drive “PLUs” undercarriageKomatsu’snewlow-driveParallelLinkUndercarriageSystem(PLUS)isextraordinarilytough,withanexcellentgradingperformanceandstability.ItfeaturesPLUSlinkassemblies,anewhighlyreliablefloatingbushingconcept,substantialtracklinkheight,superioroilsealsandnewlydesignedtrackguardstomaximiseundercarriagedurability.Foreasierservicing,theequalizerbar’scentrepincanberemotelygreased.Thesegmentedsprocketscanbechangedindividuallyandbyhand,soasinglemechaniccancarryoutreplacementsatthejobsite.

EX long undercarriageTheEXundercarriagehasbeenspeciallydesignedforworkingonhardground.Thesmalltomedium-widthshoesandPLUSlinkassemblyensurealargecontactareabetweenthemachineandthegroundformaximumstability,gradingperformanceandundercarriagelifetime.

PX undercarriageThePXundercarriageisidealforworkingonsoftsurfaces.ThewideshoesandPLUSlinkassemblyensurealargecontactareabetweenthemachineandthegroundformaximumstability,gradingperformanceandundercarriagelifetime.

Modular designD61EXi/PXi-23wasdesignedandmanufacturedtohavelowmaintenancecostsandalonglifetime.Thiswasachievedmainlybyreducingcomponentcomplexityandwithastrongmodulardesign.

improved rigidity and durabilityKomatsu’smonocoquetrackframeusesthickerboxsectionmaterial,andthemachine’smainframeisahighly-rigidsimplehullwiththickplatesandsteelcasting.Bothframeshavefewerweldedcomponentsandcombinetoprovideincreasedstrength,rigidityanddurabilitytotheD61EXi/PXi-23.

self-adjusting idler supportTheself-adjustingidlersupportprovidesconstantandeventensiononidlerguideplates.Itreducesnoiselevelsandvibrationsandincreasesundercarriagelife.

high rELiabiLity & DUrabiLity

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HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

ThenewKomatsuPLUSundercarriage:Whenconventionalundercarriages

arelonggone,thePLUSundercarriagekeepsgoingstrong.

high rELiabiLity & DUrabiLity

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D61EXi/PXi-23 C R A W L E R D O Z E R

Uniquefront-sideaccess

simple and convenient serviceWelllocatedservicedoorsallowconvenientandsafergroundaccesstodailyservicepoints.Withtheradiatorlocatedattherearofthemachine,enginefuelandoilfilterscanbeeasilyaccessedfromthefrontoftheenginecompartment.RemotegreasepointsfacilitatelubricationoftheC-framepivotsandanglecylinderbearing.

Engine protectionAlarge,doubleairfilterensuresmaximumengineprotection.Fuelpassesthroughapre-filterwithawaterseparatorandaspecialfinalfilter,maximisingtheengine’slifetimeandminimisingmaintenancecosts.Theenginecoolingfanpositionatthebackofthemachinesignificantlyreducesdustlevelsattheengineairintake.Thisintakehasaraincapasstandardandaturbotypeprecleanerinoptionforverydustyenvironmentsandtolengthentheintervalsbetweenthecleaningoftheairfilters.

self-diagnostic monitorThemulti-functionmonitorpaneldisplaystherunningtime,enginerevs,fuellevelandwatercoolanttemperatureinrealtime.Italsoprovidestheoperatorwithmaintenanceandserviceinformation,ifoilfiltersneedreplacingoranyabnormalityoccurs.Inaddition,itsuppliesKomatsumechanicswithdetailedinformation,withnoneedforexternalservicetools.

KomatsuKomplimentaryservicingisacomplimentarymaintenanceprogramforKomatsucustomersthatcomesasstandardwitheverynewKomatsuEUStageIIIBD61EXi/PXi-23constructionmachines.Forthefirst3years/2000hoursitcoversfactory-scheduledmaintenance,performedbyKomatsu-trainedtechnicianswithKomatsuGenuineparts.Italsooffersuptoamaximumof2complimentaryKomatsuDieselParticulateFilter(KDPF)exchangeunitsat4500and9000hours.

Easy MaintEnanCE

Komatsuhasdevelopedahighefficiencydieselparticulatefilterthatcapturesmorethan90%ofparticulatematter.BothpassiveandactiveregenerationareautomaticallyinitiatedbytheenginecontrollerdependingonthesootleveloftheKDPF.Aspecialoxidationcatalystwithafuelinjectionsystemisusedtooxidiseandremoveparticulatematterwhilethemachineisrunningsotheregenerationprocesswillnotinterferewithdailyoperation.Theoperatorcanalsoinitiateregenerationmanuallyordisableregenerationdependingontheworkenvironment.

TheLCDcolourmonitorpanelprovidestheoperatorwiththestatusoftheKDPFregenerationwithoutinterferingwithdailyoperation.Whenthemachineinitiatesactivegeneration,aniconwillnotifytheoperator.

Undermostconditions,activeregenerationwilloccurautomaticallywithnoeffectonmachineoperation.Incasetheoperatorneedstodisableactiveregenerationorinitiateamanualstationaryregeneration,suchasinhigh-combustibleapplications,thiscanbeeasilyaccomplishedthroughthemonitorpanel.ThesootlevelindicatoridentifieshowmuchsootistrappedintheKDPF.

KDPF regeneration notification

Manual stationary regeneration

Komatsu Diesel Particulate Filter (KDPF)

17

HM300-3CRAWLER DOZER D61EXi/PXi-23C R A W L E R D O Z E R

reversible swing-up fanTheD61EXi/PXi-23includesaswing-upfanwithagasstrut-assistedliftlockingsystemtoprovideeasyaccesstotheradiator,oilcooler,andchargeaircooler.Theoperatorcanswitchthehydraulicfanto“cleaning”modesothatitrotatesinreverseatfullspeedtocleantheradiators,reducingmaintenancecostsandimprovingfuelefficiency.

Easy MaintEnanCE

18

C R A W L E R D O Z E RD61EXi/PXi-23

the easy way to higher productivityKOMTRAX™isthelatestinwirelessmonitoringtechnology.Itdeliversinsightfulandcostsavinginformationaboutyourfleetandequipmentandoffersyouawealthofinformationtofacilitatepeakmachineperformance.Bycreatingatightlyintegratedwebofsupportitallowsproactiveandpreventivemaintenanceandhelpsyoutoefficientlyrunabusiness.

KnowledgeYougetquickanswerstobasicandcriticalquestionsaboutyourmachines–whatthey’redoing,whentheydidit,wherethey’relocated,howtheycanbeusedmoreefficiently,andwhentheyneedtobeserviced.Performancedataisrelayedbysatellitefromyourmachinetoyourcomputer,mobiledeviceandtoyourlocalKomatsubranch–who’sreadilyavailableforexpertanalysisandfeedback.

ConvenienceKOMTRAX™helpstoconvenientlymanageyourfleetonthewebormobiledevice,whereveryouare.Dataisanalysedandpackagedspecificallyforeasyandintuitiveviewinginmaps,lists,graphsandcharts.Youcananticipatethetypeofserviceandpartsyourmachinescouldrequire,ortroubleshootproblemsbeforeKomatsutechniciansarriveonsite.

KoMatsU wirELEss FLEEt Monitoring systEM

KoMtraX aPP now avaiLabLE on:get the whole story with

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HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

PowerThedetailedinformationthatKOMTRAX™putsatyourfingertips24hoursaday,7daysaweekgivesyouthepowertomakebetterdailyandlong-termstrategicdecisions.Youcananticipateproblems,customisemaintenanceschedules,minimisedowntimeandkeepyourmachineswheretheybelong–workingonthejobsite.

Throughthewebapplication,avarietyofsearchparametersareavailabletoquicklyfindinformationaboutspecificmachinesbasedonkeyfactorssuchasutilisation,idletime,fuelconsumption,variousnotificationsforabnormalities,cautions,periodicmaintenanceandmore.

Komtraxfuelreportshowsthemachine’sfuelconsumptionandhelpsyoutocalculatetotalcostsforajobsiteandconvenientlyschedulefueldeliveries.

KoMatsU wirELEss FLEEt Monitoring systEM KoMtraXtM

20

C R A W L E R D O Z E RD61EXi/PXi-23

Komatsu bladesKomatsuusesaboxbladedesign,offeringthehighestresistanceforalowweightblade.Thisincreasestotalblademanoeuvrabilityandmachinebalance.High-tensile-strengthsteelwasincorporatedintothefrontandsidesofthebladeforincreaseddurability.Thebladeshapedesignmakesiteasytohandleawiderangeofmaterials,offeringgoodbladepenetrationcombinedwithalowbladerollingresistance.Komatsubladeshelptodeliverexcellentfuelefficiency.

straight Power angle tilt blade with adjustable pitchThestraightPowerAngleTiltblade(PAT),offersawiderangeofworkingmodes.Thenewcentreballdesign,withalargeballdiameter,offersastronganddurablesolutionforthebladeattachmenttotheInpatframereducingmaintenancecosts.

Komatsu rippersKomatsurippersweredesignedtocombinethehighestproductivitywithalonglifetime.Theshankisfittedwithspecialwearpartsthatincreaselongevity,andofferthebestpenetrationinvarioustypesofmaterials.

standard Multishank parallelogram ripper (EX) and (PX)Themultishankparallelogramripperhas3rippershanksasstandard,butcanbeeasilyconvertedtoasingleortwo-shankripper,dependingonjobconditions.Thestrongparallelogramdesignoffersstraightshankmovement,adaptedfordifferentjobsiteapplications.

worK EqUiPMEnt

21

HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

worK EqUiPMEnt

22

C R A W L E R D O Z E RD61EXi/PXi-23

sPECiFiCations

Model......................................................................................KomatsuSAA6D107E-2Commonraildirectinjection,water-cooled,

emissionised,turbocharged,after-cooleddieselEnginepower atratedenginespeed...............................................................................2.200rpm ISO14396........................................................................................126kW/169HP ISO9249(netenginepower)...........................................................125kW/168HPNo.ofcylinders........................................................................................................... 6Bore×stroke................................................................................... 107mm×124mmDisplacement.....................................................................................................6,69ltrGovernor.......................................................................................All-speed,electronicFandrivetype.................................................................................................HydraulicLubricationsystem Method.......................................................................Gearpump,forcelubrication Filter............................................................................................................ Fullflow

Dual-path,hydrostatictransmissionprovidesinfinitespeedchangesupto9,0km/h.Thevariablecapacitytravelmotorsallowtheoperatortoselecttheoptimumspeedtomatchspecificjobs.Travelcontrollockleverandneutralswitch.

Suspension................................................... OscillatingequaliserbarandpivotshaftTrackrollerframe...............................................................Monocoque,largesection,

durableconstructionTracks.............................................................................................PLUSlinkassemblyTracktension........................................................CombinedspringandhydraulicunitNumberofshoes(eachside).................................................................................... 46Grouserheight(singlegrouser).......................................................................... 58mmTrackrollers(eachside).............................................................................................. 8Carrierrollers(eachside)............................................................................................ 2Shoewidth(standard) D61EXi-23.................................................................................................... 600mm D61PXi-23.................................................................................................... 860mmGroundcontactarea D61EXi-23............................................................................................... 37.980cm² D61PXi-23............................................................................................... 54.440cm²Groundpressure D61EXi-23.............................................................................................. 0,47kg/cm² D61PXi-23.............................................................................................. 0,34kg/cm²

Engineemissions..............................................FullycomplieswithEUStageIIIBandEPATier4interimexhaustemissionregulations

Noiselevels LwAexternal..........................................................107dB(A)(2000/14/ECStageII) LpAoperatorear..................................................78dB(A)(ISO6396dynamictest)

Fueltank..............................................................................................................372ltrRadiator.................................................................................................................45ltrEngineoil...............................................................................................................27ltrFinaldrive(eachside)..........................................................................................8,1ltrHydraulictank.....................................................................................................101ltr

Type....................................................................... HydrostaticSteeringSystem(HST)Steeringcontrol........................................................................................... PCCS-leverMinimumturningradius(counter-rotation) D61EXi-23........................................................................................................ 2,1m D61PXi-23........................................................................................................ 2,3mAsmeasuredbytrackmarksontheground.

IncludingPATblade,steelcab,operator,ratedcapacityoflubricant,coolant,fullfueltank,andstandardequipment. D61EXi-23................................................................................................. 17.890kg D61PXi-23................................................................................................. 18.770kg D61EXi-23withRipper............................................................................. 19.647kg D61PXi-23withRipper............................................................................. 20.527kg

Quickshiftmode Forward Reverse

1st 0-3,4km/h 0-4,1km/h

2nd 0-5,6km/h 0-6,5km/h

3rd 0-9,0km/h 0-9,0km/h

Variablespeedmode Forward Reverse

0-9,0km/h 0-9,0km/h

Type.......................................................................... Planetarygear,double-reductionSprocket............................................................................. Segmentedsprocketteeth

arebolt-onforeasyreplacement

ENGINE

TRANSMISSION

AXLES

SUSPENSION SYSTEM

STEERING SYSTEM

BRAKES

MAIN FRAME

BODY

HYDRAULIC SYSTEM

CAB

WEIGHT (APPROXIMATE)

TIRES

SERVICE REFILL CAPACITIES

DIMENSIONS

STANDARD EQUIPMENT FOR BASE MACHINE

OPTIONAL EQUIPMENT

ENGINE

TRANSMISSION

AXLES

SUSPENSION SYSTEM

STEERING SYSTEM

BRAKES

MAIN FRAME

BODY

HYDRAULIC SYSTEM

CAB

WEIGHT (APPROXIMATE)

TIRES

SERVICE REFILL CAPACITIES

DIMENSIONS

STANDARD EQUIPMENT FOR BASE MACHINE

OPTIONAL EQUIPMENT

ENGINE

TRANSMISSION

AXLES

SUSPENSION SYSTEM

STEERING SYSTEM

BRAKES

MAIN FRAME

BODY

HYDRAULIC SYSTEM

CAB

WEIGHT (APPROXIMATE)

TIRES

SERVICE REFILL CAPACITIES

DIMENSIONS

STANDARD EQUIPMENT FOR BASE MACHINE

OPTIONAL EQUIPMENT

HYDROSTATIC TRANSMISSION

HYDROSTATIC TRANSMISSION

TRAVEL SPEEDS

UNDERCARRIAGE

OPERATING WEIGHT (APPR.)

FINAL DRIVE

ENVIRONMENT

ENGINE

TRANSMISSION

AXLES

SUSPENSION SYSTEM

STEERING SYSTEM

BRAKES

MAIN FRAME

BODY

HYDRAULIC SYSTEM

CAB

WEIGHT (APPROXIMATE)

TIRES

SERVICE REFILL CAPACITIES

DIMENSIONS

STANDARD EQUIPMENT FOR BASE MACHINE

OPTIONAL EQUIPMENT

STEERING SYSTEMENGINE

ENGINE

TRANSMISSION

AXLES

SUSPENSION SYSTEM

STEERING SYSTEM

BRAKES

MAIN FRAME

BODY

HYDRAULIC SYSTEM

CAB

WEIGHT (APPROXIMATE)

TIRES

SERVICE REFILL CAPACITIES

DIMENSIONS

STANDARD EQUIPMENT FOR BASE MACHINE

OPTIONAL EQUIPMENT

SERVICE REFILL CAPACITIES

25

20

15

10

5

00

Travel Speed

Dra

wb

ar P

ull

2 4 6 8 10 km/h

tonkN

200

150

100

50

0

D61i-23Drawbar pull vs. Travel speed

Maximum usable pull depends ontraction and weight of tractor.

0 1 2 3 4 5 6 mph

20

10

0

US ton

23

HM300-3CRAWLER DOZERC R A W L E R D O Z E R D61EXi/PXi-23

sPECiFiCations

Type............................................................CLSS(closed-centreloadsensingsystem)Allspoolvalvesexternallymountedbesidethehydraulictank.Maximumpumpflow.................................................................................. 171ltr/minReliefvalvesetting..................................................................................... 280kg/cm²Spoolcontrolvalvepositions Bladelift......................................................................Raise,hold,lower,andfloat Bladetilt................................................................................... Right,hold,andleftAdditionalcontrolvalvepositionsforripper Ripperlift..............................................................................Raise,hold,andlowerHydrauliccylinders..................................................................... Double-acting,pistonNo.ofcylinders×bore Bladelift................................................................................................ 2×100mm Bladetilt................................................................................................ 1×120mm Bladeangle............................................................................................ 2×110mm

MultishankripperType.......................................................HydraulicallycontrolledparallelogramripperNo.ofshanks.............................................................................................................. 3Weight(includinghydrauliccontrolunit)........................................................ 1.780kgBeamlength.................................................................................................. 2.170mmMaximumliftaboveground............................................................................. 565mmMaximumdiggingdepth.................................................................................. 665mm

Groundclearance:390mm(+58mmgrouserheight)

D61EXi-23 D61PXi-23

A 3.250mm 3.860mm

B 435mm 515mm

C 1.195mm 1.155mm

D 1.025mm 1.025mm

E 580mm 580mm

F 3.165mm 3.165mm

G 5.480mm 5.480mm

H 3.340mm 3.340mm

I 57,5mm 57,5mm

J 1.900mm 2.130mm

K 600mm 860mm

L 2.500mm 2.990mm

M 2.980mm 3.530mm

N 6.100mm 6.220mm

BladecapacitiesarebasedontheSAErecommendedpracticeJ1265.

AB

C

M

D

E I

H

GF

N

24°24°

G,L,

K

J L

Doz

Overalllengthwithdozer

Bladewidth×height

Maximumliftaboveground

Maximumdropbelowground

Maximumtiltadjustment

Additionalweight

3,4m³PATblade(EXi) 5.480mm 3.250mm×1.195mm 1.025mm 580mm 435mm 0kg

3,8m³PATblade(PXi) 5.480mm 3.860mm×1.155mm 1.025mm 580mm 515mm 0kg

HYDRAULIC SYSTEM RIPPER EQUIPMENT

DOZER EQUIPMENT

DIMENSIONS

EnginE anD rELatED Parts•KomatsuSAA6D107E-2turbochargedcommonrail directinjectiondieselengine

•EUStageIIIB/EPATier4interimcompliant

•Fuelpre-filter(10micron)andfuelfilter(2micron)

•Exhaustpipewithelbow•Intakepipewithraincap•Alternator24V/60A

•Startermotor5,5kW/24V

•Batteries170Ah/2×12V

•Coolingfan,hydrostaticdriven

•Fueltankinletstrainer

•Intakepipewithairpre-cleaner

hyDraULiC systEM•Hydraulicsfordozingblades

•Monoleverbladecontrol

•Hydraulicsforripper

transMission anD braKEs•ElectronicallycontrolledHST

•Palmleversteeringcontrol(PCCS)

•Quickshiftselectionsystem

•Variablespeedmode

•Reversespeedpresets

•Combineddecelerator/brakepedal

UnDErCarriagE•KomatsuPLUSlinkassembly•Singlegrouserheavy-dutyshoes (EXi:600mm;PXi:860mm)•Segmentedsprockets

•Idlercushions•Trackrollerguard,centreandendsection Fulllengthtrackrollerguard

Cabin•Airsuspensionseat:fabric,reclining,heated,high backrest

•Seatbeltwithvisiblealert

•Highmountfootrest

•Airconditioner

•Radio

•Auxiliaryinput(MP3jack)

•2×12Voltpowersupply(120W)

•1×24Voltpowersupply

•Viscouscabmounts

•Rear-viewmirror(insidecab)

•Wiperfrontwindow

•Wiperrearwindow

•Wipersdoors

•Heatedrearwindow

•Cupholder

•Lunchboxholder

saFEty EqUiPMEnt

•Steelcab,meetsISO3471andSAEJ1040,APR88ROPSstandards,aswellasISO3449FOPS standards

•Horn

•Locks,filtercapsandcovers

•Back-upalarm

•Rearviewcamerasystem

•Fireextinguisher

Lighting systEM•Workinglights,3cabrooffront,2cabroofrear

attaChMEnts•Frontpullhook

•Hitch(notwithripper)

•Rigiddrawbar

DoZEr EqUiPMEnt

•3,4m³PATblade(EXi)

•3,8m³PATblade(PXi)

•Multishankparallelogramripper(EXi)

intELLigEnt MaChinE ControL•Standardfactoryinstalledintegrated3DGNSS intelligentmachinecontrolsystem

•Automaticbladeloadcontrol

•TopconSitelinkready

•Reversegrading/offsetswitches

•Modem/network,remotesupportready

• Tokarareadymodem

•UHF&networkantennakits

•Receiver-UHFDigitalII

STANDARD EQUIPMENT FOR BASE MACHINE

sErviCE anD MaintEnanCE

•Swing-outhydrostat-drivenradiatorfanwithreversing function

•Drytrypeaircleaner,doubleelementwithdust indicatorandevacuator

•Waterseparator

•Multi-functionvideocompatiblecolourmonitor withEquipmentManagementandMonitoringSystem (EMMS)andefficiencyguidance

•KOMTRAXTM–Komatsuwirelessmonitoringsystem level4

•KomatsuKomplimentary

•Toolkit

Form No: ZESS003500

www.Komatsu.com Printed in Australia

Materials and specifications are subject to change without notice. is a trademark of Komatsu Ltd. Japan.

OPTIONAL EQUIPMENT

•HydraulicwinchH6H1325kg•Rigiddrawbar•Gaurding •Frontsweeps •Hingedcabsidescreens •Hingedcabrearscreen •Rearforguard •Polycarbonatefrontdoorinserts

•Receiver915SS •Emergencystops •Idletimerengine •Fireextinguisher •RadioUHF/CB •BatteryIsolation