CEN00440-00

www.Komatsu.com PrintedinJapan201104IP.AD

Materialsandspecificationsaresubjecttochangewithoutnotice.isatrademarkofKomatsuLtd.Japan.

Standardequipmentmayvaryforeachcountry,andthisspecificationsheetmaycontainattachmentsandoptionalequipmentthatarenotavailableinyourarea.PleaseconsultyourKomatsudistributorfordetailedinformation.

Photomayincludeoptionalequipment.

AR

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UL

AT

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KGROSS HORSEPOWER

248 kW 332 HP

NET HORSEPOWER 242 kW 324 HP

MAXIMUM GVW 52990 kg

HM300-3

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

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HM300-3

WALK-AROUND

KTCS (Komatsu Traction Control System)allows easy traveling on soft ground.

GROSS HORSEPOWER 248kW332HP@2000min-1

NET HORSEPOWER 242kW324HP@2000min-1

MAXIMUM GVW 52990kg

High performance and environment-friendly SAA6D125E-6 engine• Gross horsepower 248 kW 332 HP• EPA Tier 4 Interim and EU Stage 3B emissions

certified.• Engine power mode selection system realizes both

greater productivity and improved fuel economy.

Wide, spacious cab with excellent visibility• Center-located Operator's Seat• Short nose design• The rounded engine hood provides

improved front visibility• Color rear view camera & monitor• The wide cab offers a comfortable

operator and passenger environment

Easy-to-load body• Heaped capacity 17.1 m3

• Low loading height 2830 mm• High strength body constructed of thick

wear-resistant steel having 400 Brinell hardness

Komatsu designed, electronically controlled transmission for a comfortable ride.F6-R2 counter-shaft type transmission with K-ATOMiCS (Komatsu Advanced Transmission with Optimum Modulation Control System).Transmission shift hold button optimizes the operator control.

Hydro-pneumatic suspension for all terrains.The hydro-pneumatic suspension in both front and rear suspensions assures a comfortable ride even over rough terrain.

High capacity, reliable, continuously cooled, wet type multiple-disc brakes and retarder• Fully hydraulic controlled wet multiple-disc brakes• Retarder absorbing capacity (continuous descent)

392 kW 526 HP

Photomayincludeoptionalequipment.

Information & Communication technology• Multiple-purpose color monitor• The energy saving operation is supported by "ECO

Guidance" in real time.• ECO gauge

For operator comfort• Low noise cab through improved sealing with

integrated floor Interior noise level 73 dB(A)• Air suspension seat • Radio with AUX terminal

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

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HM300-3

PRODUCTIVITY & ECOLOGY FEATURES

Komatsu’s new engine technology includes

New designed KVGT (Komatsu Variable Geometry Turbocharger)

Anewlydesignedvariable

geometryturbochargerfeatures

Komatsuproprietarytechnology

thatvariestheair-flowanddelivers

optimumairquantitytotheengine

combustionchamberunderall

speedandloadconditions.The

resultiscleanerexhaustgas

andimprovedfueleconomywhilemaintainingpowerand

performance.

Newly designed KDPF (Komatsu Diesel Particulate Filter)

Komatsuhasdesignedand

developedahighefficiency

dieselparticulatefilterthat

capturesmorethan90%ofPM(ParticulateMatter).

Passiveandactiveregenerationisinitiatedautomatically

bytheenginecontrollerasneededtoburntheparticulates

whiletheengineisrunningallowinguninterruptedmachine

operation.Aspecialoxidationcatalystwithfuelinjection

systemeliminatestheneedforatraditionalfuelburner

therebyreducingmaintenancecostsandincreasing

reliability.

Heavy duty HPCR (High-Pressure Common Rail) fuel injection system

ComputercontrolledheavydutyHPCRsystemdelivers

aprecisequantityofpressurizedfuelintotheengine

combustionchamberusingmultipleinjectionstoachieve

completefuelburnandreduceexhaustemissions.Fuel

injectorlifehasbeenimprovedthroughtheuseofultra-hard

wearresistantmaterialssuchasdiamond-likecarbon.

High Performance Komatsu SAA6D1��E-6 Engine

Thisenginedeliversfasteraccelerationandhighertravelspeedswithhighhorsepowerpertoninitsclass.Advanced

technology,suchasKVGT(KomatsuVariableGeometryTurbocharger),KDPF(KomatsuDieselParticulateFilter),

andHPCR(High-PressureCommonRail)enablestheenginetomeetEPATier4InterimandEUStage3Bemissions

certification.Hightorqueatlowspeed,impressiveacceleration,andlowfuelconsumptionensuremaximumproductivity.

Larger more robust cooled EGR (Exhaust Gas Recirculation) system

CooledEGR,atechnology

well-proveninexistingKomatsu

engines,hasincreased

capacitytofurtherreduceNOx

toTier4levels.Largermore

robustcomponentsensure

reliableperformanceduringthedemandingworkconditions

ofconstructionequipment.

Redesigned combustion chamber at top of piston

Thefuel/aircombustionchamberlocatedatthetopof

theenginepistonhasanewshapedesignedtoimprove

combustionandfurtherreduceNOx,PM,fuelconsumption

andnoise.

KCCV (Komatsu Closed Crankcase Ventilation)

Oilmisttrapefficiencyissignificantly

increasedfromprevious“Breather”s,

fromaround50%trapefficiencyto95%

trapefficiency.

Almostoilmistfreecrankcasegas

(blow-bygas)isdeliveredbacktothe

intake.

Low fuel consumption

Realize8%betterfueleconomyinthefieldcomparedtothe

HM300-2.

Newvariabledisplacementpistonpumpforreducing

PTO(PowerTake-Off)pressureloss,improvementsin

transmissionandaxlesforincreasingenergysaving,and

thesophisticatedelectroniccontroloftheengineoperation

toachieveoptimalenergyefficiencyinproducingrequired

powerassensedthroughchangingfanloaddata,all

combined,realize8%betterfueleconomyinthefield

comparedtotheHM300-2.

Engine power mode selection system

Thesystemallowstheappropriatemode,<Powermode>

or<Economymode>,tobeselectedaccordingtoeach

workingcondition.Themodeiseasilyselectedwithaswitch

intheoperator’scab.

Power mode

Greatproductivitycanbeattainedbytakingafulladvantage

ofhighoutputpower.Itisappropriateforjobsiteswhere

largerproductionwhenuphill-haulingisrequired.

Economy mode

Enginespeedsofthemaximumoutput,downshift,and

upshiftaresettoalowerlevel.Itisappropriateforlightwork

onflatground.

Fuel consumption 8% reduction

Komatsu designed electronically controlled countershaft transmission

TheKomatsudesignedElectronicallyControlled

TransmissioncalledK-ATOMiCShasbeenasuccess

inKomatsu’srigiddumptrucks.Theelectronicclutch

modulationsystemensuresproperclutchpressurewhen

theclutchisengaged.Thetotalcontrolsystemcontrols

boththeengineandtransmissionbymonitoringthevehicle

conditions.Thishightechnologysystemassuressmooth

shiftswithoutshockandmaximizespowertrainlife.

*Comparedwith theHM300-2 fuelconsumptionvariesdependingon jobconditions.

Increased body capacity and box section frame structure

Increasedtheloadingcapacityfrom27.3to28.0metrictons

byincreasingthebodycapacity.

TheHM300hasthelargeheapedcapacityof17.1m3body.

Thelowloadingheightof2830mmenableseasyloading.

Thebodyisbuiltofhighstrengthwear-resistantsteelwith

aBrinellhardnessof400,andthebodyshapeprovides

excellentloadstability.

Ruggedenoughforthetoughestjobs,theHM300’sframeis

designedusingarigidboxstructurewithconnectingtorque

tubesmadeofhighstrengthlowalloysteel.

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

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HM300-3

SAFETY FEATURES

Access safety

Aspiketypehubbly-facedantiskidplateisusedforboarding

theHM300-3.Alsosupplementedaprotectivefencearound

theenginehood.

All-around visibility

Short nose

Newlayoutofthecoolingsystemallowsforashorternose

shapecomparedtothepreviousmodelincreasingthefield

ofviewtotheoperator.

Color rear view camera and monitor

Thenewcolorrearviewcamera&monitorareequippedas

standard.

Wide and balanced view

Theoperator’sseatplacedatthecenterofthecabprovides

wideandbalancedviewtotherightandleft.

Round type mirrors and foldable back mirrors

Theroundtypemirrorsareincorporatedprovidingawide

view.

Thebackmirrorscanbefoldedbyremovingonlyonebolt.

Heated mirror (Optional)

Theheatedfrontmirrorsareavailableoptions.

Round halogen lamp and optional fog lamp

Roundhalogenlampsareusedfortheheadlampsand

optionalfoglamps. Theyare

incorporatedintheenginehoodto

giveasenseofunity.

Rear combination lamp

Long-lifeLEDbrakelamp(taillamp)isoptionallyavailable.

Hydraulically controlled wet multiple-disc brakes and retarder

Wetmultiple-discbrakeswithprovenperformancein

largerarticulatedandrigidtrucksaretailoredforuseinthe

HM300-3.Thelarge-capacity,continuouslycooled,wet-

multiplediscbrakesalsofunctionasahighlyresponsive

retarderwhichgivestheoperatorgreaterconfidenceat

higherspeedswhentravellingdownhill.

RetarderAbsorbingCapacity(continuousdescent):

�9� kW526HP

LSD

KTCS

Good

Currentdifferentialunit

Travel ability on soft ground

Turn

ing

perf

orm

ance

HighDifferential lock

Free differential

Komatsu Traction Control System (KTCS)Komatsuhasdevelopedvariousshoe/wheelslipcontroltechnologiesincludingShoeSlipControl(SSC)systemforbulldozers,

AutomaticSpinRegulator(ASR)forrigidtypeoff-highwaydumptrucks,etc.Thesetechnologiesarerefinedandcombinedwith

newlydevelopedslipcontroltechnologiesforarticulateddumptruckstoproducetheevolutionally-advancedtractioncontrol

system.

Newtractioncontrolsystemallowseasytravelingonsoftgroundandslipperyroadonlybyoperatingtheaccelerator.Thisalso

providesmuchbetterturningperformancethantheconventionaldifferentiallock-uportheLimitedSlipDifferential(LSD).

575 mm2765 mm 2935 mm

510 mm

LED lamp (Optional) STD lamp

Fog lamp

HM�00-� HM�00-�

Head lamp (Low)

Head lamp (High)

Protective fence

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

9

HM300-3

OPERATOR COMFORT

Ergonomic comfort

Ergonomicdesignrounddashboardisincorporated. Switchesaresoarrangedthattheyareeasytoreach.

Air suspension seat

Theairsuspension,fabric-

coveredseatwhichisadjustable

totheoperator’sweightis

providedasstandard.Theair

suspensionseatdampens

vibrationstransmittedfromthe

machineandreducesoperator

fatigue.

� point seat belt

Themachineisequippedwiththethree-pointseatbeltas

standardequipment,whichsecuresthewearerfromhitting

hardinteriorofthemachine.

Foldable passenger seat

Thecushionandbackrestof

thepassengerseatarefoldable.

Foldingthecushionallowsthe

operatortocomeinandoutof

thecabandallowseasyaccess

totherecirculationfilteroftheair

conditioner.Foldingthebackrest

allowsaccesstotheglovecompartmentattherearofthe

seat.

Tilt-away steering column

Thetiltablesteeringcolumnandtelescopicsteeringwheel

allowstheoperatortosetthesteeringwheeltothedesired

position.Thetiltmechanismisspring-assisttypeforeasy

adjustment.

Machine monitor

Radio with AUX terminal

ToconnectMP3playeretc.,AUXterminalispreparedinthe

cab.

Adopted two of DC1�V electrical outlets

A12Vcigarettelighterisinstalledatthefrontrightwithan

additional12Voutlet.

Center-located operator seat

Providesawideviewplacingtheseatatthecenterof

driver’scabin.

Hydro-pneumatic suspension

Hydro-pneumaticsuspensionwithprovenperformancein

largerarticulatedandrigidtrucksistailoredforuseinthe

HM300-3.

Thefrontaxlehydro-pneumaticsuspensionemploys“De

Dion”typedesign,allowingthemachinetoridemore

smoothlyoverbumps.Therear-axlearemountedona

dynamicequalizerstructureequippedwithhydro-pneumatic

suspension.Theentirevehicle’ssuspensiondeliversa

comfortablerideandmaximizesproductivity.

Low noise

Newhydraulicallydrivenfansandredesignedlayoutofthe

coolingsystemhelpsachievealownoiselevelthatmeets

theEUregulation.

Electric body dump control lever

Theloweffortlevermakesdumpingeasierthanever.

Multi-switch panel

Color rear view monitor

DC1�V electrical outlet

AUX terminal

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

11

HM300-3

INFORMATION & COMMUNICATION TECHNOLOGY

Speedmeter

Enginetachometer

Fuelgauge

Airconditioner display

Torqueconverteroiltemperaturegauge

ECOgauge

Enginewatertemperaturegauge

Timedisplay

Shiftindicator

Retarderoiltemperaturegauge

Airconditionerswitches/Numeralkeypad

Functionswitches

Energy saving operation guide & report

Theoperatorcanchecktheoperationrecord,ECO

Guidancerecord,andfuelconsumptionrecord.

TheOperationRecordsindicatestoday’soperationstatusof

themachine.

TheECOGuidanceRecordsdisplaysthenumberof

occurrencesofeachguidancemessage.Duringoperation,

itisrequestedtoreducethenumberofoccurrencesofeach

guidancemessageinordertoachievedenergy-saving

operation.

TheAverageFuelConsumptionLogsgraphthefuel

consumptionforrecent12hours(basedonservicemeter

reading)anddailyfuelconsumptioninthepreviousoneweek.

Machine monitor

Switch panel

ECO GuidanceThe energy saving operation is supported by "ECO Guidance" in real time.

ThisnewmodelisequippedadvancedICT(Information

&CommunicationTechnology)devicessuchasmultiple-

purposecolormonitorpanel,whichalsoprovidethe

operatorwithenergysavingmachineoperationguidance.

Machine MonitorThemachinemonitordisplayvariousmachineinformation

andallowsforvarioussettingsofthemachine.

TheLCDunitisa7-inchcolorTFT-LCDanddisplays

maintenanceinformation,operationrecord,ECOguidance

record,etc.

TheswitchpanelisusedtoselectvariousLCDunitscreens

andtheairconditionercontrolscreen.

Byusingtheswitchpanel,youcandisplayvarioususer

menusontheLCDunitscreenandperformthesettingsof

themachine.

LCD unit

TheLCDunitdisplaysvariousinformationofthemachinesuchasECOGuidance,

operationrecords,andmaintenanceinformation.SincetheLCDunithaswider

displayareacomparedtothatofconventionalmodelandusescolorLCD,itdisplays

moreinformationandiseasytoread.

Forexample,“OperationRecords”menudisplaysvariousrecordsoftheactual

workinghours,averagefuelconsumption,idlinghours,andEmodeoperationratio,

etc.Theserecordsaredisplayedintheformofdailydataandtimeperioddata.

Thisinformationcontributestoimprovementinmachineoperationmanagement

andenergysavingoperation.The“MaintenanceInformation”menudisplaysmaintenanceitemssuchasoilandfilters,their

replacementintervals,andremaininghourstothenextreplacement,allowingforunderstandingmaintenancestatusofthe

machineataglance.

TheLCDunitcanalsobeusedtooperateandperformsettingofvariousfunctionsofthemachine.

Forexample,selectingthemenuonthemenuscreenallowsyoutoreversethedirectionoftheradiatorfanorCACfantoblow

offdirtanddustaccumulatedonrespectivecores.ThesettingofmachinemonitorcanbechangedwiththeLCD.Forexample,

thelanguagetobedisplayedontheLCDunitcanbeselectedfromamong25languages.

ECO gauge

TheECOgaugeindicatesthefuelconsumptionrateatthe

momentduringoperation.

Operatingthemachinebykeepingthegaugewithinthe

greenzoneleadstotheenergy-savingoperation.

*Fuelconsumptionratedependsontheworkloadand

acceleratorpedaloperation.

ECO Guidance

TheECOGuidancefunctiondisplaysthemessageto

promotetheenergy-savingoperation.

Forexample,iftheoperatorstopsthemachineforlong

periodsoftimewiththeenginerunningidle,Themessageof

“AvoidExcessiveEngineIdling”isdisplayedonthescreen.

ECOgauge Fuelconsumptiongauge

1

1 2

OperationRecords

ECOGuidanceRecords

AverageFuelConsumptionLogs

2

3

4

5

6

7

8

9

10

1

2

1

234

5

6

7

8 9

10

ECO Guidance

•OperationRecords•ECOguidanceRecords•AverageFuelConsumptionLogs•Configurations

Machine setting / information

•Radiatorfanreversemode•CACfanreversemode•TCSsettingetc.

KDPF regeneration

•Settingforregenerationstop•Operationofmanualstationary

regeneration

Maintenance

•Checkandresetofvariousmaintenancetimes

Monitor setting

•25Languages•Rearviewmonitorsetting•Meterselect•Screenadjustmentetc.

1

2

3

4

5

11

LEDindicator11

1 2 3 4 5

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A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

1�

HM300-3

EASY MAINTENANCE SPECIFICATIONS

Ground access to the filters

Theoilfilterofthetransmissionandthebrakesystemsto

theright,allowingservicingfromtheground.

Increase hitch height above ground

Thebottomfaceofthehitchishigherthanthebottomface

ofthedifferentialgearofthefrontaxle.Thehitchheight

abovegroundisincreasedovertheHM300-2.

Tiltable cab

Thecabcanbetiltedrearward32degreestoprovideeasy

maintenance/servicefortheengineandtransmission.

Power cab tilt (optional)

Electrically-operatecabtiltisoptionallyavailable.

Easy draining of transmission oil

Twodrainportsareaddedtofacilitatedrainofoilinthe

piping.

Electric priming pump

Themanualprimingpumpisreplacedwiththeelectric

primingpump.

The HM300-3 has been designed to keep service time down.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

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

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

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

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

Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . KomatsuSAA6D125E-6Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled,4-cycleAspiration. . . . . . . . . . . . . Turbo-charged,after-cooled,cooledEGRNumberofcylinders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125mmStroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mmPistondisplacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.04LHorsepower

SAEJ1995. . . . . . . . . . . . . . . . . . . . . . . . . Gross248kW332HPISO9249/SAEJ1349.................. Net242kW324HPRatedrpm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000min-1

Fandrivetype. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HydraulicMaximumtorque. . . . . . . . . . . . . . . . . . . . . . . . .1680 N•m171kg•mFuelsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DirectinjectionGovernor. . . . . . . . . . . . . . . . . . . . . . . . . . . . ElectronicallycontrolledLubricationsystem

Method . . . . . . . . . . . . . . . . . . . . . . . . Gearpump,force-lubricationFilter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flowtype

Aircleaner . . . . . . . . . . . . . . . . . Drytypewithdoubleelementsandprecleaner(cyclonpacktype),plusdustindicator

EPATier4InterimandEUStage3Bemissionscertified.

Torqueconverter. . . . . . . . . . . . . . . . . 3-elements,1-stage,2-phaseTransmission . . . . . . . . . . . . . . . . Full-automatic,counter-shafttypeSpeedrange. . . . . . . . . . . . . . . . . . 6speedsforwardand2reverseLockupclutch. . . . . . . . . . . . . . . . . . . . . . . . . Wet,single-diskclutchForward . . . . . . . . . . . . . . . . . . . .Torqueconverterdrivein1stgear,

directdrivein1stlockupandallhighergearsReverse . . . . . . . .TorqueconverterdriveanddirectdriveinallgearShiftcontrol. . . . . . . . . . . . . . . Electronicshiftcontrolwithautomatic

clutchmodulationinallgearMaximumtravelspeed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58.6km/h

FulltimeallwheeldriveFinaldrivetype . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PlanetarygearRatios:

Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.154Planetary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.667

Front . . . . . . . . . . . . . . . . . . . . . . . . . . Hydro-pneumaticsuspensionRear. . . . . . . . . . . . . . . . . . . . . . . . . . . .Combinedhydro-pneumatic

andrubbersuspensionsystem

Type. . . . . . . . . . . . . Articulatedtype,fullyhydraulicpowersteeringwithtwodouble-actingcylinders

Supplementarysteering. . . . . . . . . . . . . . . . Automaticallyactuated,electricallypowered

Standard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ISO5010,SAEJ1511Minimumturningradius,walltowall. . . . . . . . . . . . . . . . . . . . 8.10mArticulationangle . . . . . . . . . . . . . . . . . . . . . . . . . 45°eachdirection

Servicebrakes. . . . . . . . . . . . . . . . Full-hydrauliccontrol,oil-cooledmultiple-disctypeonfrontandcenteraxles

Standard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ISO3450Parkingbrake . . . . . . . . . . . . . . . . . Springapplied,caliperdisctypeRetarder. . . . . . . . . . . .Frontandcenteraxlebrakesactasretarder

Type. . . . . . . . . . . . . . . . . . . . . . . . . Articulatedtype,box-sectionedconstructiononfrontandrear

Connectedbystrongtorquetubes.

Capacity:Struck. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13.4m3

Heaped(2:1,SAE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17.1m3

Payload. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.0metrictonsMaterial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130kg/mm2

hightensilestrengthsteelMaterialthickness:

Bottom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14mmFront . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8mmSides. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12mm

Targetarea(insidelengthxwidth) . . . . . . . . . . . . . . . . . . 5250mmx2685mm

Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exhaustheating(option)

Hoistcylinder . . . . . . . . . . . . . . . . . . . . . . . . . . Twin,telescopictypeReliefpressure . . . . . . . . . . . . . . . . . . . . . . . . .29.4MPa 300kg/cm2

Hoisttime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5s

Standard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ISO3449(FOPS)ISO3471(ROPS)

Emptyweight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24,910kgGrossvehicleweight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52,990kgWeightdistribution:

Empty:Frontaxle.................................57.0%Centeraxle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23.0%Rearaxle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20.0%Loaded:Frontaxle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29.0%Centeraxle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36.5%Rearaxle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34.5%

Standardtire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.5R25

Fueltank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388.3LEngineoil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35LTorqueconverter,transmissionand

retardercooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98LDifferentials(total) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.5LFinaldrives(total) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23LHydraulicsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103LSuspension(total). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4L

575 mm2765 mm 2935 mm

510 mm

HM�00-� HM�00-�

1�

A R T I C U L A T E D D U M P T R U C KHM300-3HM300-3ARTICULATED DUMP TRUCK

1�

HM300-3

22802900

1665

3510

24°

45°

R81005250

R4000

70°

2685

2900

6440

2830

572

580170017104100

575

12002765

10275

23.5-R25

23.5-R25

23.5-R25

F1

F2

F3

F4

F5

F6

7060504030201000

3

56789

10

20

30

40

50

2

1

4

35.040.045.0

30.0

25.0

20.0

15.014.013.012.011.010.09.08.07.06.0

5.0

4.0

3.0

2.0

km/h

LOADEDEMPTY

x103 kg

x103 kg

TOTA

L RE

SIST

ANCE

(GRA

DE +

RO

LLIN

G)

(%)

RIM

PU

LL

TRAVEL SPEED

GROSS WEIGHT25 30 40 50 5535 45 60

FVHM0641

0 10 20 30 40 50 60 70 80 90 100 km/h

TRAVEL SPEED

-10

-15

-20

-25

-30

-5

-35

-40

TOTA

L R

ESIS

TAN

CE

(GR

ADE

+ R

OLL

ING

) (%

)

0 10 20 30 40 50 60 70 80 90 100

-45-50

GROSS WEIGHT x103 kg

LOADEDEMPTY

F1

F2

F3

F4F5

F6

GRADE DISTANCE : CONTINUOUS DESCENT

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

ENGINE:Alternator,60A,24VBatteries,2x12V/136AhEngine,KomatsuSAA6D125E-6KDPFStartingmotor,7.5kW

CAB:2xDC12VelectricaloutletsAirconditionerAM/FMradiowithAUXterminalAshtrayCigarettelighterColormulti-monitorCupholderFrontwiper(withwasherandintermittent)Operatorseat,reclining,airsuspensiontypewith3-pointretractableseatbeltPassengerseatwith2-pointretractableseatbeltPowerwindow(L.H)Rearwiper(withwasher)SpaceforlunchboxSteeringwheel,tiltandtelescopicSunvisor,frontwindowTiltableROPScabwithFOPS,soundsuppressiontype

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●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

LIGHTING SYSTEM:Back-uplampBackworklamps,LHandRHsideHazardlampsRound-shapedheadlamp(High/Low)Stopandtaillampsandturnsignallamps

GUARD AND COVERS:EngineunderguardExhaustmufflerthermalguardFirepreventioncoversPropellershaftguards,frontandrearTransmissionunderguard

SAFETY EQUIPMENT:Alarm,backupAnti-slipmaterialonfendersAutomaticsupplementarysteeringColorrearviewcameraandmonitorCoolanttemperaturealarmandlampEngineshutdownsecondaryswitchHandrailsforplatformHorn,electricParkingbrakeProtectivegrilleforrearwindowRearviewmirrorsSecondarybrake

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●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

SteeringjointlockingassemblyStep(rightside)andladder(leftside)Underviewmirrors

BODY:Electronichoistcontrolsystem

TIRES:23.5R25

OTHER:BatterydisconnectCentralizedgreasingECOGuidanceElectriccircuitbreaker,24VElectricprimingfuelpumpKTCSMudguardsSidemarkerToolbox

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ARRANGEMENT:Sandyanddustyareaarrangement

BODY:BodyexhaustheatingkitBodylinerOverhungtailgate,wiretypeUppersideextension,200mm

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LIGHTING SYSTEM:Round-ShapedfoglampsStopandtaillampsandturnsignallamps(LED)Yellowbeacon

TIRES:30/65R25(750/65R25)

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OTHER:Alternator,90A,24VARAC(AutomaticRetarderwithAccelerationControl)CabpowertiltDumpcounterFireextinguisherGaschargetoolHeatedmirrorLargebatteriesSparepartsforfirstserviceToolkitVandalismprotection

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unit:mm

TRAVEL PERFORMANCE(Power mode)

BRAKE PERFORMANCE