785C MiningTruck Engine Weights Approximate EngineModel Cat 3512B-EUI GrossMachineOperatingWeight 249480kg 550,000lb GrossPower SAEJ1995 1082kW 1,450hp OperatingSpecifications NetPower 1005kW 1,348hp NominalPayloadCapacity 136tonnes 150tons
Contents PowerTrain Engine...3 PowerTrain Transmission...4 Engine/PowerTrainIntegration...5 Structures...6 Operator sstation...7 CatBrakeSystem...8 TruckBodySystems...9 MonitoringSystem...10 Safety...11 Sustainability...12 Serviceability...13 CustomerSupport...14 Specifications...15 StandardEquipment...23 OptionalEquipment...24 Notes...25 The785CMiningTruckisengineeredforperformance, designedforcomfort,andbuilttolast.developedspecifically forhighproductionminingandconstructionapplications,the 785CMiningTruckkeepsmaterialmovingathighvolumeto loweryourcost-per-ton. Ruggedconstructioncreatesadurablemachine. Easy maintenanceproceduresensurehighreliability and longlifewithlowoperatingcosts.
PowerTrain Engine TheCat 3512BEUItwinturbochargedandaftercooleddieselenginedelivers highpowerandreliabilityintheworld smostdemandingminingapplications. Engine TheCat 3512BEUItwinturbochargedandaftercooled dieselenginedelivershighpowerandreliabilityintheworld s mostdemandingminingapplications. Design The3512Bisa12-cylinder,four-strokedesignthatuseslong, effectivepowerstrokesformorecompletefuelcombustion andoptimumfuelefficiency. EPACompliant Whereapplicable,the3512BengineiscompliantwithU.S. EnvironmentalProtectionAgencyemissionrequirements. AltitudeCompensation Designedformaximumoperatingefficienciesataltitudes under3048m(10,000ft). HighTorqueRise The23percentnettorqueriseprovidesunequalled luggingforceduringacceleration,onsteepgradesand inroughunderfootconditions.torqueriseeffectively matchestransmissionshiftpointsformaximumefficiency and fast cycletimes. EnhancedLife Highdisplacement,lowrpmratingandconservative horsepowerratingsmeanmoretimeonthehaulroads and lesstimeintheshop. SeparateCircuitAftercooler Allowstheaftercoolercircuittooperatecoolerthanjacket watertemperatureforadenserairchargeandgreater combustion. EngineProtection Computerizedsystemelectronicallyprotectstheengine duringcoldstarts,airfilterplugging,highexhaust temperatureandengineoverspeed(arc). ElectronicControlModule(ECM) Utilizesadvancedenginemanagementsoftwaretomonitor, controlandprotecttheengineutilizingself-diagnosing electronicsensors.thecomputerizedsystemsensesoperating conditionsandpowerrequirementsandadjustsengineforpeak performanceandmostefficientoperationandatalltimes. 3
PowerTrain Transmission Catmechanicalpowertraindeliversmorepowertothegroundforgreater productivityandloweroperatingcosts. MechanicalPowerTrain TheCatmechanicaldrivepowertrainandpowershift transmissionprovidesunmatchedoperatingefficiency and controlonsteepgrades,inpoorunderfootconditions, andonhaulroadswithhighrollingresistance. 1)Transmission TheCatsix-speedplanetarypowershifttransmissionis matchedwiththedirect-injection3512bdieselengineto deliverconstantpoweroverawiderangeofoperatingspeeds. RobustDesign Designedforthehigherhorsepowerofthe3512Bengine,the provenplanetarypowershifttransmissionisbuilttoughfor longlifebetweenoverhauls. TransmissionChassisControl(TCC) TCCuseselectronicallytransferredenginerpmdatato executeshiftsatpresetpointsforoptimumperformance, efficiencyandclutchlife. 2)Lock-UpTorqueConverter Combinesmaximumrimpullandcushionedshiftingof torqueconverterdrivewiththeefficiencyandperformance ofdirectdrive.engagesatapproximately8km/h(5mph), deliveringmorepowertothewheels. 3)FinalDrives Catfinaldrivesworkasasystemwiththeplanetarypower shifttransmissiontodelivermaximumpowertotheground. Builttowithstandtheforcesofhightorqueandimpact loads,doublereductionfinaldrivesprovidehightorque multiplicationtofurtherreducedrivetrainstress. WheelsandRims CastrearwheelsandCatcenter-mountrimsaremounted usingstudsandnutstominimizemaintenanceand maximize durability. SteeringSystem Hydraulicsteeringcontrolsystemisdesignedforexceptional smoothnessandprecisecontrol.aseparatecircuitprevents crosscontaminationforlonglife. 4
VIMS VIMSMain Module ET Engine/PowerTrainIntegration Electronicallycombinescriticalpowertraincomponentstoworkmore intelligentlyandtooptimizeoveralltruckperformance. CatDataLink Electronicallyintegratesmachinecomputersystemstooptimizeoverallpowertrainperformance,increasereliability and componentlife,andreduceoperatingcosts. ElectronicTechnician(CatET) CatETservicetoolprovidesservicetechnicianswitheasyaccesstostoreddiagnosticdatathroughtheCatDataLinkto simplifyproblemdiagnosisandincreasemachineavailability. IntegratedBrakingControl(IBC) IBCintegratesAutomaticRetarderControlandTractionControlintoonesystemforoptimumperformanceandefficiency. Body-upReverseNeutralizer Automaticallyshiftsthetransmissiontoneutralifthehoistleverisactivatedwhiletransmissionisshiftedinreverse. SupplementalSteering SupplementalSteeringsystemusespressureaccumulatorsandallowsuptothree90-degreeturnsincaseofenginefailure. 5
Structures RuggedCatstructuresarethebackboneofthe785Cminingtruck sdurability. Box-SectionDesign The785Cframeusesabox-sectiondesign,incorporating twoforgingsand21castingsinhighstressareaswithdeep penetratingandcontinuouswrap-aroundweldstoresist damagefromtwistingloadswithoutaddingextraweight. Serviceability Theopenbox-sectionframedesignallowseasyaccesstopower traincomponents,reducingoverallremovalandinstallation time,andloweringoverallrepaircosts.theraisedandpinned bodyallowsexcellentaccesstothetransmission. SteelStructures Mildsteelusedthroughoutframeprovidesflexibility, durabilityandresistancetoimpactloads,evenincold climates,andallowsforeasyfieldrepairs. IntegralFour-PostROPSCab Resilientlymountedtothemainframetoreducevibration andsound,theintegralropsisdesignedasanextension of thetruckframe.therops/fopsstructureprovides five-sidedprotection fortheoperator. SuspensionSystem Designedtodissipatehaulroadandloadingimpacts for longerframelifeandamorecomfortableride. Cylinders Fourindependentself-contained,oilpneumatic,variablereboundsuspensioncylindersaredesignedtoabsorbshocks inthemostsevereapplications. DurableDesign Ruggedcylindersutilizelargediameterboreandlowpressurenitrogen/oildesignforlonglifewithminimal maintenance. Front.Frontcylinderswithpresetcasterandcamberare mountedtotheframeandserveassteeringkingpinsfor atightturningradiuswithexcellentmaneuverability andlowmaintenance. Rear.Rearcylindersallowaxleoscillationandabsorb bendingandtwistingstressescausedbyunevenand roughhaulroadsratherthantransmittingthemto the mainframe. 6
5 4 10 2 11 12 3 6 1 7 8 9 Operator sstation Ergonomicallydesignedforoperatorcomfort,superiorcontrol and high productivity. EnhancedOperatorVisibility ThroughtheuseofthefullyIntegratedObjectDetectionSystem,RADARANDCAMERA,the operatorcanreceivebothaudibleandvisualindicationsofdetectedobjects. ErgonomicLayout The785Coperatorstationisergonomicallydesignedfortotalmachinecontrolinacomfortable, productiveandsafeenvironment.allcontrols,leversswitchesandgaugesarepositionedtomaximize productivityandminimizeoperatorfatigue. QuietCab Integral,sound-suppressedROPS/FOPScabisresilientlymountedtothemainframetoisolatethe operatorfromsoundandvibrationforaquiet,secureandcomfortableride. ViewingArea Designedforexcellentall-aroundvisibilityandclearsightlinestothehaulroad,thelargeviewingarea enablestheoperatortomaneuverwithconfidenceforhighproductivity. 1)AirSuspensionSeatwithThree-PointOperatorRestraint2)HoistLever3)Secondary Brake Pedal 4) MonitoringSystem5)SteeringColumn6)TransmissionConsole7)ParkingBrakeReset Valve 8) Storage Compartment9)TrainerSeat10)OperatorWindow11)OperatorControls 12)Heating/AirConditioning RadioReady Theoperator sstationcomesreadywithpowerports,speakers,antenna,andelectricalconnectionsto facilitatetrouble-freeradioinstallation.consultyourdealerforthecompletelineofavailablecatradio optionsincludingsatelliteradio. 7
Cat BrakeSystem Reliablebrakingwithsuperiorcontrolgivestheoperatortheconfidence to focusonproductivity. IntegratedBrakingSystem TheCatoil-cooledbrakingsystemdeliversreliable performanceandcontrolinthemostextremehaulroad conditions.theintegratedsystemcombinestheservice, secondary,parkingbrakeandretardingfunctionsinthe same robustsystemforoptimumbrakingefficiency. Oil-CooledMultipleDiscBrakes Catfour-wheel,forcedoil-cooled,multiplediscservicebrakes arecontinuouslycooledbywater-to-oilheatexchangersfor exceptional,non-fadebrakingandretardingperformance. ExtendedLifeDiscBrakes Catoil-cooleddiscbrakesaredesignedwithlargediscs andplatesforreliable,adjustment-freeoperationand performance.brakesarecompletelyenclosedandsealed topreventcontaminationandreducemaintenance. Additionally,thismachinefeaturesoptionalextendedlife frictionmaterialthathasdoublethewearlifeofstandard brakesandistwiceasresistanttoglazingresultinginmore consistentbrakingpowerwithlessnoise. Pistons TheCaterpillartwo-pistondesigncombinestheservice, secondary,parkingbrakeandretardingfunctionsinthe same system.theprimarypistonhydraulicallyactuates bothserviceandretardingfunctions.thesecondarypiston isspring-appliedandheldinthedisengagedpositionby hydraulicpressure.ifhydraulicsystempressuredrops belowaspecifiedlevel,thespring-appliedsecondary piston automaticallyappliesthebrakes. ParkingBrake Oil-cooled,spring-applied,hydraulicallyreleasedparking brakeisappliedtoallfourwheelsforsuperiorparking capabilityonallgradesupto15percent. HydraulicAutomaticRetarderControl(HARC) Hydraulicallyactivatedautomaticretardercontrolsystem electronicallycontrolsretardingongradetomaintain optimumenginerpmandoilcooling.additionalbraking maybeappliedusingthemanualretarderorthebrakepedal. HARCisdeactivatedwhentheoperatorappliesthebrakes or acceleratorcontrols. 1) Parking/Secondary Piston 2) Service/Retarding Piston 3) Friction Discs 4) Steel Plates 5) Actuating Springs 6) Cooling Oil In 7) Cooling Oil Out 8
TruckBodySystems Caterpillardesignedandbuiltforruggedperformanceandreliability in the toughestminingapplications. CatTruckBodies Matchingthetruckbodytotheapplicationisacriticalpartofachievingthebestvaluefromyour785C.Caterpillaroffers a varietyofapplicationspecificbodyoptionsthatyieldapayloadrangingfrom131to144metrictons(144to158tons). The Caterpillarexclusive10/10/20payloadguidelineshelpachieveabalanceofexcellentpayloadwithsafeoperation. BodyOptions 1) Cat X Body TheXbodyisaheavydutybodyconfiguredwithavarietyoflineroptionstomeetsitespecificrequirements ofamine.likethedualslope thexbodyisdesignedfordurabilityacrossarangeofharshapplications. 2) MineSpecificBody(MSDII) Formaturemineswithgoodoperationalandmaintenancepractices,thelighterweight MSD II (MineSpecificDesign)bodyisavailableinseveralsizes.Itisacustomer/sitespecificbodythatisdesignedto maximizeperformance.themsdiiisdesignedtomaximizepayload,providegooddurabilityandcanbeconfigured with a varietyof lineroptionstomeetthespecificrequirementsofthemine. 3) GatelessCoalBody Thisspecializedhighvolumebody,availableinseveralsizes,istargetedatdedicatedcoalhaulage applicationswithminimalimpact.thekickedupfloordesigneliminatesthetailgateandgivesthevolumerequired to meet targetpayload. 4) DualSlopeBody Theoriginalstandardbody,theDualSlopebody,providesexcellentloadretention,maintainsa low centerofgravitywithoptimumloaddistribution,reducesshockloadingandisavailableinlinedandunlinedconfigurations. The DualSlopebodyisintendedfortoughapplicationsincludinggreenfieldsitesandcontractingmines. CustomBodyOptions Avarietyofoptionsincludingtailextensions,sideboards,tumblebars,rockboxesandrocksheddersareavailabletomaintain ratedpayload,reducespillageandimprovehaulingefficiencies. 1) X Body 2) MSD II Body 3) Gateless Coal Body 4) Dual Slope Body (not shown) 9
MonitoringSystem Vitalmachinehealthandpayloaddatakeepsthe785Cperforming at peak productionlevels. VIMS ET PC VIMS VIMS MonitoringSystem IntelligentCaterpillardesignedmachinemonitoringsystem providescriticalmachinehealthandpayloaddatainrealtimetokeepthe785cperformingattopproductionlevels. ProductionManagement ProductionManagementenhancestruck/loadingtool effectiveness,improvesfleetproductivityandhelpsextendthe lifeoftruckframes,tires,rimsandpowertraincomponents, whileloweringoperatingandmaintenancecost. PayloadManagement MaxPayloadSpeedManagerisafeaturethataidsinmanaging thecaterpillar10/10/20overloadpolicy.basedontarget payloadweightandoverloadsettings,thevimssystemlogs andwarnstheoperatorwhenthetruckreachesoverload aftersecondgearreweigh.thetruckwillbelimitedto secondgearat1,750rpm,andtheautomaticretarderspeed settingisreducedto1,750rpmuntiltheloadisdumped. RoadAnalysisControl(RAC) Optionalsystemmonitorshaulroadconditionsby measuringframerackandpitchtoimprovehaulroad maintenance,cycletimes,tirelifeandfuelefficiency. VIMS-PC VIMS-PC,theoff-boardreportingsoftwareprogram,allows servicepersonneltodownloadacompleterecordofmachine healthandproductivitydatatoalaptopcomputerfor diagnosisandanalysis.easy-to-usesoftwareenablesservice techniciansandminemanagementtogeneratehealthand payloadreportsformoreeffectivemachinemanagement. VIMSSupervisor Optionalsoftwareallowsminemanagementtoeasilymanage andinterpretvimsdataforoptimumfleetmanagementand productivity. MachineManagement Servicetechniciansorminepersonnelcandownloaddataand generatereports.datacanbeusedtoimproveeffectiveness ofscheduledmaintenanceprograms,maximizecomponent life,improvemachineavailability,andloweroperatingcosts. GaugeCluster Convenientlylocatedgaugeclustermaintainsaconstant displayofvitalmachinefunctions. 10
Safety Catminingmachinesandsystemaredesigned withsafetyas their firstpriority. ProductSafety Caterpillarhasbeenandcontinuestobeproactiveindevelopingminingmachinesthatmeetorexceedsafetystandards. Safety isanintegralpartofallmachineandsystemdesigns. IntegratedObjectDetectionSystems ObjectDetectionSystemsarefactoryinstalledasstandardequipmenton785Cminingtrucks.ThefullyIntegratedObject DetectionSystem,RADARANDCAMERA,providesbothaudibleandvisualindicationsofdetectedobjects.Thissystem usesacombinationofshortandmediumrangeradarswhichsurroundthemachine,alongwithcamerasoneachsidetoallow theoperatortoconfirmthedetectedobject.thecamerassupplementtheradaralertsandareselectablebytouchscreenmenus throughanintuitiveinterface. MachineSafetyFeatures Caterpillarincorporatessafetyintoeveryaspectofourmachines.EverymachinemeetsorexceedsSAEandISOstandardsand hastheropsintegratedintothecabdesign.anengineshutoffswitchandanelectricalsystemcutoffareconvenientlylocated atgroundlevel. OverloadPolicy AdherencetotheCaterpillar10/10/20OverloadPolicyassuresthatsteeringandbrakingsystemshavesufficientcapacitytoperform. StandardSafetyFeatures Slipresistantsurfaces,retractable,seat/shoulderbeltswiththree-pointoperatorrestraint,wide-anglemirrors,bodyraisedindicator, bodyretainingcable,guardrails,reverseneutralizerwhendumping,lowinteriorsoundlevel,secondarysteeringsystem. SAFETY.CAT.COM 11
Sustainability Avarietyoffeaturesimprovesustainabilityinareasofdecreasingwaste, extendingcomponentlifeandloweringemissionslevels. SustainabilityFeatures The785CMiningTruckoffersoilrenewalsystems,extendedlifefilters andextendedmaintenanceintervalswhichaidin decreasingtheamountofwastecontributedto our environment. OilRenewalSystem Optionaloilrenewalsystemextendsengineoilchangeintervalsfrom500hoursto4,000hoursormoretoincreasemachine availabilityandreducecosts. EngineswithAdvancedTechnology Engineswithadvancedtechnologycontributelessemissionstotheenvironmentwhilemaintainingfuelefficiency. AdvancedSurfaceTechnology(AST) AdvancedSurfaceTechnology(AST)isareplacementforhardchromecoatingsonsomesteelparts,includingsuspensionand hoistcylinderrods.thistechnologyimproveswearresistanceandreducesrepairtime.chromehasbeeneliminatedtoreduce environmentalimpact. FuelEfficiency Theengineprovidesadditionalretardingbyrunningagainstcompressionondownhillhauls.Duringretardingapplicationsthe engineecmdoesnotinjectfuelintothecylindersforexceptionalfueleconomy. 12
Serviceability Lesstimespentonmaintenancemeansmoretimeonthehaulroads. ServicingEase Easyaccesstodailyservicepointssimplifiesservicing and reducestimespentonregularmaintenanceprocedures. Enhancedserviceabilityand500-hourserviceintervalsare designedtoincreasemachineavailabilityandproductivity. MaintenancePlatform Providesaccesstoengine,airfilters,steeringhydraulictank andbatterycompartment. In-FrameAccess Permitseasyaccesstomajorcomponentsforeasyservicing andremoval. Ground-LevelAccess Allowsconvenientservicingtotanks,filters,drains,and engineshutdown.ground-levelvimsdataportpermits easierdownloadingofinformation. Autolube Automaticlubricationsystemreducesmaintenancetime by automaticallylubricatingnecessarycomponentsona regularbasis. FastFillServiceCenter Optionalfastfillservicecenterfeatureshigh-speedfueland oilexchange. ScheduledOilSampling S O S SM samplingvalvesspeedsamplingandanalysisreliability. PressureTestPoints Disconnectvalvesareconvenientlylocatedthroughoutthe hydraulicsystemsforeasypressuretesting. SealedElectricalConnectors Electricalconnectorsaresealedtolockoutdustand moisture.harnessesarebraidedforprotection.wiresare colorcodedforeasydiagnosisandrepair. CylinderHeads Individualcylinderheadsareinterchangeableforeasy removalandvisualinspectionofinternalparts. On-BoardDiagnosticSystems TheVIMSmonitoringsystemcontinuouslymonitorsallcritical machinefunctionsandcomponentstohelplocatefaults quicklyforfasterrepair.electroniccontrolsystemsprovide diagnosisofengine,transmission,brakeandchassissystems. ServiceTechniciansutilizetheElectronicTechnicianservice tool(catet)toprogramandtroubleshootthesesystems. 13
CustomerSupport Catdealershavewhatittakestokeepminingtrucksproductive. CommitmentMakestheDifference Catdealersofferawiderangeofsolutions,servicesandproductsthathelpyoulowercosts,enhanceproductivityandmanageyour operationmoreefficiently.supportgoesfarbeyondpartsandservice.fromthetimeyouselectapieceofcatequipmentuntiltheday yourebuild,tradeorsellit,thesupportyougetfromyourcatdealermakesthedifferencethatcounts. DealerCapability Catdealerswillprovidethelevelofsupportyouneed,onaglobalscale.Dealerexperttechnicianshavetheknowledge,experience, trainingandtoolingnecessarytohandleyourrepairandmaintenanceneeds,whenandwhereyouneedthem. ProductSupportandServiceSupport Supportedbyaworldwidenetworkofpartsdistributionfacilities,dealerservicecentersandtechnicaltrainingfacilities,Catdealers canmaximizeyouruptime.withatailoredserviceplan,yourdealercanhelpyougetthemostreturnonyourinvestment. Training YourCatdealercanarrangetrainingprogramstohelpoperatorsimproveproductivity,decreasedowntime,reduceoperatingcosts, enhancesafety,andimprovereturnontheinvestmentyoumakeincatproducts. TechnologyProducts CatdealersofferarangeofadvancedtechnologyproductssuchasVIMSmonitoringsystemandMineStar information managementsystem.theseproductsincluderadiodatacommunications,machinemonitoringanddiagnostics,fleetmanagement, andhaulroadmaintenancesoftware alldesignedtoimprovefleetefficiency,increaseproductivity,andlowercosts. www.cat.com FormorecompleteinformationonCatproducts,dealerservices,andindustrysolutions,visitusonthewebatwww.cat.com. 14
785CMiningTruckSpecifications Engine OperatingSpecifications Brakes EngineModel Cat 3512B-EUI NominalPayload 136tonnes 150tons BrakeSurface Front 61270cm 2 9,497in 2 RatedPower 1,750rpm Capacity BrakeSurface Rear 89729cm 2 13,908in 2 GrossPower 1082kW 1,450hp SAE(2:1)Capacity 78m 3 102yd 3 Standards SAEJ1473OCT90 SAE J1995 TopSpeed Loaded 55km/h 34mph ISO3450-1985 NetPower 1005kW 1,348hp MaximumCapacity Custom Maximumoperatingweightupto SAE J1349 MaximumCapacity Custom 249 480 kg(550,000lb). NetPower 1005kW 1,348hp Struck(SAE) NetPower Cat 1005kW 1,348hp SteerAngle 36 BodyHoists NetPower 1005kW 1,348hp TurningDiameter 27.5m 90ft2in PumpFlow 750L/min 198gal/ ISO 9249 Front High Idle min NetPower 1005kW 1,348hp RaiseTime 15.2Seconds ReliefValveSetting 80/1269/EEC LowerTime 15.9Seconds Raise 17238kPa 2,500psi TorqueRise 23% Bore 170mm 6.7in Stroke 190mm 7.5in Displacement 51.8L 3,158in 3 Netpoweradvertisedisthepoweravailable atratedspeedof1,750rpm,measuredat theflywheelwhentheengineisequipped withfan,aircleaner,mufflerandalternator. Ratingsbasedonstandardairconditions of25 C(77 F)and99kPa(29.32Hg)dry barometer.powerbasedonfuelhavingapi gravityof35at16 C(60 F)andanLHVof 42780kJ/kg(18,390BTU/lb)whenengine usedat30 C(86 F). Noenginederatingrequiredupto3050m (10,000ft)altitude. Whereapplicable,the3512Bengine is compliantwithu.s.environmental ProtectionAgencyemissionrequirements. Weights Approximate GrossMachine 249480kg 550,000lb OperatingWeight ChassisWeight 74450kg 164,134lb OperatingWeight 102150kg 225,200lb Empty FlatFloor Body OperatingWeight 95725kg 211,035lb Empty DualSlope MachineClearance 30.6m 100ft5in TurningDiameter RefertotheCatMiningTruck10-10-20 payloadpolicyformaximumgrossmachine weightlimitations. Transmission Forward1 12.1km/h 7.5mph Forward2 16.3km/h 10.2mph Forward3 22.2km/h 13.8mph Forward4 29.9km/h 18.6mph Forward5 40.6km/h 25.2mph Forward6 54.8km/h 34mph Reverse 11km/h 6.8mph Maximumtravelspeedswithstandard 33.00-R51tires. FinalDrives DifferentialRatio 2.10:1 PlanetaryRatio 10.83:1 TotalReduction 22.75:1 Ratio Planetary,full-floating. Suspension EffectiveCylinder 306.5mm 12.1in Stroke Front EffectiveCylinder 165mm 6.5in Stroke Rear BodyRaiseTime 15.2Seconds HighIdle BodyLowerTime 15.9Seconds HighIdle BodyLowerTime 16.2Seconds Float BodyPowerDown 15.9Seconds HighIdle Twin,two-stagehydrauliccylinders mountedinsidemainframe;double-acting cylindersinsecondstage. Powerraiseinbothstages;powerdown in secondstage. 15
785CMiningTruckSpecifications ApproximateWeights ServiceRefillCapacities Steering Dual Slope FuelTank 1893L 500gal SteeringStandards SAEJ1511OCT90 GrossWeight 95725kg 211,035lb CoolingSystem 379L 100gal ISO5010:1992 Empty Crankcase 204L 54gal Turningdiameteronfrontwheeltrack Chassis 74450kg 164,134lb Differentialsand 436L 115gal with standardtires:27.5m(90ft2in). Body 21258kg 46,865lb FinalDrives Machineclearanceturningdiameter: 30.6 m(100ft5in). FrontAxle Empty 47% SteeringTank 90L 24gal Steeringangle,leftorright:36degrees. RearAxle Empty 53% SteeringSystem 117L 31gal Separatehydraulicsystempreventscross FrontAxle Loaded 33% (IncludesTank) contamination. RearAxle Loaded 67% Brake/Hoist 337L 89gal HydraulicTank ApproximateWeights FlatFloor GrossWeight 102130kg 225,200lb Empty Chassis 74450kg 164,134lb Body 25687kg 56,630lb StandardLiner 1996kg 4,400lb FrontAxle Empty 47% RearAxle Empty 53% FrontAxle Loaded 33% RearAxle Loaded 67% Percentagesrepresentweightdistribution withoutliner. WeightDistributions Approximate FrontAxle Empty 47% RearAxle Empty 53% FrontAxle Loaded 33% RearAxle Loaded 67% Capacity DualSlope 100% fill factor Struck 57m 3 74yd 3 Heaped(SAE2:1) 78m 3 102yd 3 Capacity FlatFloor 100% fill factor Struck 74m 3 96yd 3 Heaped(SAE2:1) 91m 3 119yd 3 Brake/HoistSystem 641L 169gal (IncludesTank) TorqueConverter/ 248L 65.51gal TransmissionSystem (IncludesSump) ROPS ROPSStandards SAEJ1040APR88 ISO3471:1994 ROPS(RolloverProtectiveStructure)for cabofferedbycaterpillarmeetssaej1040 APR88andISO3471:1994LevelIIROPS criteria. Sound SoundStandards ANSI/SAE J1166 MAY90 SAE J88 APR95 TheoperatorsoundexposureLeq (equivalentsoundpressurelevel)measured accordingtoworkcycleproceduresspecified inansi/saej1166may90is80db(a) forcabofferedbycaterpillar,whenproperly installedandmaintainedandtestedwith doorsandwindowsclosed. Theexteriorsoundpressurelevelforthe standardmachinemeasuredatadistance of 15m(49ft)accordingtothetestprocedures specifiedinsaej88apr95,mid-gear movingoperationis89db(a). Hearingprotectionmaybeneededwhen operatingwithanopenoperatorstation andcab(whennotproperlymaintained or doors/windowsopen)forextended periodsorinanoisyenvironment. Tires StandardTire 33.00-R51(E4) 33.00-R51(E3) Productivecapabilitiesofthe785Ctruck aresuchthat,undercertainjobconditions, TKPH(TMPH)capabilitiesofstandard or optionaltirescouldbeexceededand, therefore,limitproduction. Caterpillarrecommendsthecustomer evaluatealljobconditionsandconsultthe tiremanufacturerforpropertireselection. 16
Dimensions Alldimensionsareapproximate. 13 2 11 3 12 14 15 10 16 17 1 9 18 7 8 5 4 6 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 HeighttoTopofROPS OverallBodyLength InsideBodyLength OverallLength Wheelbase RearAxletoTail GroundClearance DumpClearance LoadingHeight Empty RearSidewallHeight InsideBodyDepth Max. 5122mm 10615mm 7652mm 11024mm 5182mm 3410mm 987mm 1284mm 4968mm 906mm 2132mm 16ft10in 34ft10in 25ft2in 36ft3in 17ft0in 11ft3in 3ft3in 4ft3in 16ft4in 3ft0in 7ft0in 12 13 14 15 16 17 18 19 20 21 22 OverallHeight BodyRaised OperatingWidth CenterlineFrontTireWidth EngineGuardClearance OverallCanopyWidth OutsideBodyWidth InsideBodyWidth FrontCanopyHeight RearAxleClearance CenterlineRearDualTireWidth OverallTireWidth 11207mm 6640mm 4850mm 1057mm 6200mm 5890mm 5510mm 5769mm 1080mm 4285mm 6274mm 36ft10in 21ft10in 15ft11in 3ft6in 20ft5in 19ft4in 18ft1in 19ft0in 3ft7in 14ft1in 20ft8in 17
785CMiningTruckSpecifications RetardingPerformance Todetermineretardingperformance:Addlengthsofalldownhillsegmentsand,usingthistotal,refertoproperretardingchart.Readfrom grossweightdowntothepercenteffectivegrade.effectivegradeequalsactual%grademinus1%foreach10kg/t(20lb/ton)ofrolling resistance.fromthisweight-effectivegradepoint,readhorizontallytothecurvewiththehighestobtainablegear,thendowntomaximum descentspeedbrakescanproperlyhandlewithoutexceedingcoolingcapacity.thefollowingchartsarebasedontheseconditions:32 C (90 F)ambienttemperature,atsealevel,with33.00-R51tires. NOTE:Selectthepropergeartomaintainenginerpmatthehighestpossiblelevel,withoutoverspeedingtheengine.Ifcoolingoil overheats,reducegroundspeedtoallowtransmissiontoshifttothenextlowerspeedrange. TypicalFieldEmptyWeight GrossMachineOperatingWeight 249500kg(550,000lb) GrossWeight 0 100 200 300 400 500 600 lbx1000 0 50 100 150 200 250 300 kgx1000 E 30% 25% 20% L 1 2 3 4 5 6 15% 10% 5% EFFECTIVEGRADE(Favorable) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph SPEED ContinuousGradeLength E Empty L Loaded 18
RetardingPerformance TypicalFieldEmptyWeight GrossMachineOperatingWeight 249500kg(550,000lb) GrossWeight 0 100 200 300 400 500 600 lbx1000 0 50 100 150 200 250 300 kgx1000 1 2 3 E 30% 25% 4 5 6 20% L 15% 10% 5% EFFECTIVEGRADE(Favorable) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph E Empty L Loaded SPEED GradeDistance 450m(1,500ft) TypicalFieldEmptyWeight GrossMachineOperatingWeight 249500kg(550,000lb) GrossWeight 0 100 200 300 400 500 600 lbx1000 0 50 100 150 200 250 300 kgx1000 1 2 E 30% 25% 3 4 5 6 20% L 15% 10% 5% EFFECTIVEGRADE(Favorable) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph E Empty L Loaded SPEED GradeDistance 600m(2,000ft) 19
785CMiningTruckSpecifications RetardingPerformance TypicalFieldEmptyWeight GrossMachineOperatingWeight 249500kg(550,000lb) GrossWeight 0 100 200 300 400 500 600 lbx1000 0 50 100 150 200 250 300 kgx1000 1 2 3 E 30% 25% 4 5 6 20% L 15% 10% 5% EFFECTIVEGRADE(Favorable) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph E Empty L Loaded SPEED GradeDistance 900m(3,000ft) TypicalFieldEmptyWeight GrossMachineOperatingWeight 249500kg(550,000lb) GrossWeight 0 100 200 300 400 500 600 lbx1000 0 50 100 150 200 250 300 kgx1000 1 2 3 E 30% 25% 4 5 6 20% L 15% 10% 5% EFFECTIVEGRADE(Favorable) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph E Empty L Loaded SPEED GradeDistance 1500m(5,000ft) 20
Gradeability/Speed/Rimpull Todeterminegradeabilityperformance:Readfromgrossweightdowntothepercentoftotalresistance.Totalresistanceequals actualpercentgradeplus1%foreach10kg/t(20lb/ton)ofrollingresistance.fromthisweight-resistancepoint,readhorizontally tothecurvewiththehighestobtainablegear,thendowntomaximumspeed.usablerimpullwilldependupontractionavailable andweightondrivewheels. TypicalFieldEmptyWeight 136080kg(300,000lb) 33.00-R51Tires GrossWeight 70 100 150 200 300 400 600 lbx1000 lbx kgx 20 30 40 50 70 100 150 200 300 kgx1000 1000 1000 RIMPULL 200 100 50 20 10 90 70 50 40 30 20 15 10 5 1C 1D 2D 3D 4D 5D E 6D L 30% 25% 20% 15% 10% 8% 6% 4% 2% TOTALRESISTANCE (GradeplusRolling) 3 5 2 2 1 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 km/h 0 5 10 15 20 25 30 35 40 45 50 mph SPEED TorqueConverterDrive DirectDrive E Empty L Loaded 21
785CMiningTruckSpecifications Weight/PayloadCalculation* (Example) FlatFloor DualSlope kg lb kg lb EmptyChassisWeight 55421 122,180 55421 122,180 FuelTankandFuel1892L(500gal) 2232 4,920 2232 4,920 Tires(33.00-R51) 10492 23,130 10492 23,130 Rim610mm(24in) 6323 13,940 6323 13,940 ChassisWeight 74468 164,170 74468 164,170 DebrisAllowance(4%ofchassis) 2979 6,567 2979 6,567 BodyWeight 25687 56,630 21258 46,865 BodyAttachmentsWeight 1996 4,400 0 0 AdditionalAttachmentsWeight + + + + TotalEmptyOperatingWeight 105129 231,767 98704 217,602 TargetPayload 144351 318,233 150776 332,398 GrossMachineOperatingWeight 249480 550,000 249480 550,000 * NOTE:RefertoCaterpillar s10/10/20payloadpolicyforcalculatingmaximumgrossmachineweightallowable. 22
785CStandardEquipment Standardequipmentmayvary.ConsultyourCatdealerfordetails. AirCleanerwithPrecleaner(2) AirConditioner AirLineDryer(2) AirStarter,Vane-type Alarm,Back-up Alternator(105-amp) AutomaticRetarderControl Batteries,93-amp-hour,Low-maintenance, 12-volt(2) BodyMountingGroup BodyPropCable BrakeReleaseMotorforTowing BrakeSystem Oil-cooled,Multiple-disc,FrontandRear Parking Secondary,Emergency Cab,ROPS Ashtray CigaretteLighter CoatHook DiagnosticConnector ElectricWindow(OperatorOnly) EntertainmentRadioReady Glass,Tinted Heater/defroster:11070kCal(43,930BTU) Horn InsulatedandSoundSuppressed IntegratedObjectDetectionSystem Light,Dome/courtesy Mirrors,RightandLeft Quad-GaugePanel AirPressure BrakeOilTemperature CoolantTemperature FuelLevel Seat,AirSuspension Seat,Passenger,Non-suspension SeatBelts,75mm(3")wideretractable Speedometer Steering,AutomaticSupplemental SteeringWheel,Tilt,Padded,Telescopic StorageCompartment SunVisor Tachometer TransmissionGearIndicator VIMSDataports(2) VIMSKeypad VIMSMessageCenterwithUniversal Gauge WindshieldWiperandWasher CrankcaseProtection DrivelineOperatorSafetyGuard Dumping,AuxiliaryQuickConnectfor BuddyDumping ElectricalSystem,24-voltto12-volt Engine Cat3512BwithElectronic Injection andmultipointoil PressureSensing Fast-fillFuelSystem,Wiggins GroundLevel BatteryDisconnect EngineShutdown VIMSDataport LightingSystem Back-upLights,Halogen DirectionSignalsandHazardWarning (RearHalogen) Headlights,Halogen,WithDimmer LHLadderLightandServiceDeckLights StopandTailLights(LED) Under-hoodLight OilChangeSystem,QuickService Reservoirs(Separate) Brake/converter/hoist Steering Transmission Rims,CenterMountedfor33.00-R51Tires RockEjectors StartingAid,Ether,Automatic Steering,AuxiliaryQuickConnect for Towing TieDownEyes TowHooks,Front TowPin,Rear TractionControlSystem Transmission,Six-speed,AutomaticPower Shift,ElectronicControlandDownshift Inhibitor,ReverseNeutralizerduring Dumping,andNeutralStartSwitch, ReverseShiftInhibitor,Controlled ThrottleShifting,DirectionalShift Management,NeutralCoastInhibitor, Body-upShiftInhibitor VandalismProtectionLocks VitalInformationManagementSystemwith TrueWeightProductionManager 23
785COptionalEquipment Optionalequipmentmayvary.ConsultyourCatdealerfordetails. Tail 665 1,465 Sideboards 1 798 1,760 Bodyheat(exhaust) 36 80 Bodyandtailextensionliners 2 Full-lengthliner 7633 16,828 Tailextensionliner 3 338 745 Gridliner 4 1145 2,525 Fueltank2500L 209 460 (660 gal) kg lb kg lb kg lb Bodies seeweight/payload Heater,fuel 2 5 Rim,sparefor 889 1,960 Calculationchart recirculationtype, 33.00-R51tire Bodyextensions: non-electric Shuttergroup, 265 585 Heater,enginecoolant 2 5 inside mounted andoil120-volt externalpowersource Heater,enginecoolant andoil240-volt externalpowersource OilRenewalSystem Prelubesystem 10 11 24 22 25 53 Startingsystem Air(TDITurbine) Air(IRTurbine) Variablepitchfan, Flexxaire Variablespeedfan, Rockford 5 17 273 182 10 37 600 400 1 Increasescapacityto91m 3 /119yd 3 2 Minimumyieldstrength900mPa/9000 Bar/ 130,500psi;400Brinellsteel 3 Usewithfulllinerswhentailextensionused 4 Coversrearthirdofbodyonly 24
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785CMiningTruck FormorecompleteinformationonCatproducts,dealerservices,andindustrysolutions, visit usonthewebatwww.cat.com 2010CaterpillarInc. Allrightsreserved AEHQ6166(12-2010) ReplacesAEHQ5320-03 Materialsandspecificationsaresubjecttochangewithoutnotice.Featuredmachines in photosmayincludeadditionalequipment.seeyourcatdealerforavailableoptions. CAT,CATERPILLAR,SAFETY.CAT.COM,theirrespectivelogos, CaterpillarYellow and the PowerEdge tradedress,aswellascorporateandproductidentityusedherein, are trademarksofcaterpillarandmaynotbeusedwithoutpermission.