GU812

MACK TRUCKS ARE BUILT TO BUILD

GU812

ENGINE: MACK MP7-325M• PeakHorsepower–325HPat1500-1900RPM•Horsepower–300HPat2100Gov.RPM•Max.Torque–1200lb/ftat1100-1350RPM• V-MACIV–TotalVehicleElectronics• AirCompressor–318(18.7cfm)• AirCleaner–11"SingleElement• Alternator–Delco12V130A(24SI)• Batteries,(3)Mack12V650/1950CCAThreaded StubType• BugScreen–RadiatorMounted•CoolantProtection,-34°F(-37°C)•MackCoolantConditioner• DieselParticulateFilter–VerticalRHSideUnderCab• ExhaustAfterTreatmentSystem–Ceramic•MackPowerLeash™EngineBrake• SiliconeEngineHosesandTubing• Poly-VFanBeltw/AutomaticTensioner• FanDrive,ElectronicallyModulatedMulti-Speed

Viscous• FlywheelHousing–Aluminum(Lightweight)• FuelWaterSeparatorw/ManualDrain•MackEPDMRadiator&HeaterHoses• Radiator–AluminumCore• Starter–Delco12V39MT• ElectronicStarterInterlock

TRANSMISSION: MACK mDRIVE HD PREMIUMW/ OVERDRIVE• RockFree• PowerLaunch• PTOSplitterOptions• PowerleashEngineBrake• EnhancedConstructionShift• HeavyHaulShift• AutoNeutral• GradeGripper•MackCellerator

• 12-Speed,Ratios:11.73Low–0.78High•Clutch–Meritor/Sachs,SinglePlate17"Organic

Material• TransmissionBellHousing–Aluminum• TransmissionOilCooler–mDRIVEGearBox

MountedLHSideWatertoOilCooler•MainDriveline–SpicerExtendedLubeSeries• InteraxleDriveline–Spicer“LifeSeries”

REAR AXLE: MACK RA23R• 23,000lbCapacity• Tires–11R22.5• Carrier–CRD151•Wheels–AlumDisc(4)22.5"x8.25"10-HoleHub

Piloted•HubMaterial–IronPresetw/IntegratedSpindleNut• Brakes–BendixES165-07D16.5"x7"CastSpider• BrakeDrums–CastOutboardMounted• RearBrakeLining• RearWheelSeals• SlackAdjusters–Automatic• Suspension–MultileafSpringsNoAnti-Sway 23,000lbRating• SpringBrakeChambers–(2)30/30Double

DiaphragmType/MechanicalSpringRelease

FRONT AXLE: MACK FXL12• 12,000lb.Capacity• Tires–11R22.5•Wheels–AlumDisc(2)22.5"x8.25"10-HoleHub

Piloted•HubMaterial–Iron• Brakes–BendixES165-05D16.5"x5"CastSpider• BrakeDrums–CastOutboardMounted• FrontBrakeLining• FrontWheelSeals–Integrated• ShockAbsorbers–DoubleActingType• SlackAdjusters–Automatic• Suspension–MackTaperleaf12,000lb.Ground

LoadRating(2LeafSpring)• Steering–TAS66TRWIntegralPowerSteering

STANDARD POWERTRAIN SPECIFICATIONS

ADDITIONAL STANDARD SPECIFICATIONS

AIR/BRAKE• DualAirBrakeSystem• AirDryer–1200Pw/CoalescingFilter• AirReservoirs–Steel• Anti-LockBrakeSystemw/oTractionControl• ParkingBrakeControl–SingleValveSystem

ELECTRICAL• 12VoltElectricalSystem•BatteryBox–Steelw/MoldedPlasticCover MountedLHRail• CourtesyLightSwitch–HeadlampandClearance•GuardDogConnectDiagnostics• DaytimeRunningLights• ElectricCircuitProtectionPackage• BodyLinkIII•WaterproofElectricalConnections• Headlights–HalogenFlush• SolidStateTurnSignalFlasher

GU812

CAB: CA68 CONVENTIONAL• AirConditionerw/IntegralHeater• AshTray• CabMounting–FourPointSystemw/2AirBagsand

ShocksatRear• CigarLighter• CoatHook•Co-PilotEnhancedDriverDisplaywithButtonand

StalkControlandGuardDogMaintenanceSystem•CupHolders–Driver’s&Rider’sSide• DomeLights–2LampsLH/2LampsRH•GalvanizedSteelVisibilityDoors• DoorTrim–Paddedw/VinylArmRestPads• EngineShutoff–KeyType• Fenders–Fiberglassw/WheelSplashApronsand BlackPolyarmourMudFlaps• FloorMats–MackSignaturePolyurethane•Gauges–AirPressure,EngineCoolant

Temperature,EngineOilPressure,EngineOilTemperature,Speedometer,Tachometer,

FuelLevel• GaugeCluster–ExhaustPyrometer&Transmission

OilTemperatureGauges•GrabHandles–AluminumRH&LHBehindDoor•Grille–SilverPaintedw/oGrilleSurround•Hood–

• Horn–MackRectangularSingleTrumpetAirHorn, SingleTonew/SnowShield• IdentificationandClearanceLights(5)• InstrumentPanel–Charcoalw/BlackGageBezel• InteriorTrim:Purebred–Sandstone

• Keys–(2)KeyedatRandom• LowAirPressureIndicatorLightandBuzzer• ExteriorMirrors–RH&LHBrightFinishMack Bulldogw/StainlessSteelArms•OverheadConsole,2StorageCompartmentsw/Net

Retainers• ParkingBrakeOnIndicatorLight• 12VoltAuxiliaryPowerOutlets(2)–DashMounted• AM/FMPremiumStereo,CDPlayer,MP3,

Weatherband,HandsFreeInterface,Bluetooth• CB–5wayBindingPost• DriverSeat–BostromTalladega915Mid-BackAir

Suspension• RiderSeat–MackFixedMid-BackNon-suspension• SeatBelts–LapandShoulderw/CabMounted

ShoulderBelt• KeyTypeStarterSwitch• SteeringColumn–AdjustableTiltTelescope• SteeringWheel–TwoSpokeUrethaneGripPainted

Spokes&BulldogHornCap• RearStoragePouch• InteriorSunVisorBothSides• RHDoorPeepWindow•WindowControl–HandCrankOperation•Windshield–SafetyTinted2Piece• SafetyTintedSideandRearWindows•WindshieldWashers–ElectricWiperw/Reservoir

MountedunderHood•WindshieldWipers–2SpeedElectricMotor w/IntermittentFeature• PaintColor–MackWhite(Cab,Hood&Fenders),

MackBlack(ChassisRunningGear)

STANDARD CAB INTERIOR/EXTERIOR SPECIFICATIONS

GU812

FRAME EQUIPMENT/FUEL TANKS• FrameRailw/outLiner–11.81"x3.54"x.32"Steel• SectionModulus–17.7in3

• RBM(perrail)–2,120,000lb.in.• FrontBumper–ExtendedSweptBackSteelChannel• BumpertoBackofCab(BBC)–122.5"• Crossmembers–BOC&Intermediate(s)SteelHD Back-to-BackChannel• FrontFrameExtension• FrontTowHooks• FuelTanks–50GallonLHSteel22"dia.• DieselExhaustFluid(DEF)Tank-11.8Gallon,22"Diameter,

FrameMountedonLeftSidewithPaintedCover

STANDARD WHEELBASE/LOAD PLATFORM•Forstandardwheelbaseandloadplatforminformation refertoyourcurrentversionofMACKTRAQ

STANDARD CHASSIS DIMENSIONS

MODEL SPEEDS RATIOS (LOWHIGH)

MACK TRANSMISSIONS

T309 9 11.40/0.71 T309LR 9 13.93/0.71 T310 10 13.81/0.73 T310M 10 17.35/0.73 T310ME 10 17.35/0.73 T310MLR 10 27.31/0.71 T313 13 13.44/0.74 T313LR 13 16.42/0.71 T318 18 13.44/0.71 T318LR 18 16.42/0.71

MODEL SPEEDS RATIOS (LOWHIGH)

EATON FULLER TRANSMISSIONS

RTX-14609B 9 12.57/0.73 RTX-16709B 9 12.46/0.73 FRO-12210C 10 12.69/0.74 FRO-13210C 10 12.69/0.74 FRO-14210C 10 12.69/0.74 FRO-15210C 10 12.69/0.74 FRO-16210C 10 12.69/0.74 FRO-18210C 10 12.94/0.74 RTO-14908LL 10 14.56/0.74 RTO-16908LL 10 14.56/0.74 RTO-14909ALL 11 26.08/0.73 RTO-16909ALL 11 26.08/0.73 RTLO-14913A 13 12.31/0.73 RTLO-16913A 13 12.31/0.73 RTLO-18913A 13 12.31/0.73 RTO-14915 15 13.31/0.79 RTO-16915 15 13.31/0.79 RTLO-14918B 18 14.40/0.73 RTLO-16918B 18 14.40/0.73 RTLO-18918B 18 14.40/0.73

GU812

MODEL HORSEPOWER

MP7 ENGINES

345HP[257kW]@1500-1700RPM320HP[239kW]@1950

345HP[257kW]@1500-1700RPM320HP[239kW]@1950

365HP[272kW]@1500-1700RPM340HP[254kW]@1950

395HP[295kW]@1500-1700RPM370HP[276kW]@1950

325HP[242kW]@1500-1900RPM300HP[224kW]@2100

365HP[272kW]@1500-1900RPM335HP[250kW]@2100

405HP[302kW]@1500-1900RPM370HP[276kW]@2100

MP7-345A

MP7-345C

MP7-365C

MP7-395C

MP7-325M

MP7-365M

MP7-405M

MODEL HORSEPOWER

MP8 ENGINES

415HP[309kW]@1500-1700RPM390HP[291kW]@1950

445HP[332kW]@1500-1700RPM420HP[314kW]@1950

505HP[377kW]@1500-1700RPM430HP[321kW]@1950

425HP[317kW]@1500-1800RPM340HP[254kW]@2100

455HP[339kW]@1500-1700RPM420HP[313kW]@2100

505HP[377kW]@1500-1700RPM339HP[253kW]@2100

MP8-415C

MP8-445C

MP8-505C

MP8-425M

MP8-455M

MP8-505M

AVAILABLE DRIVELINE COMPONENTS

MODEL SPEEDS RATIOS (LOWHIGH)

ALLISON TRANSMISSIONS

3000-EVS 5 3.49/0.75 4000-EVS 5 3.51/0.74 4500-EVS 5 4.70/0.76 3000-RDS 5 3.49/0.75 4000-RDS 5 3.51/0.74 4500-RDS 5 4.70/0.76 3000-EVS 6 3.49/0.65 4000-EVS 6 3.51/0.64 4500-EVS 6 4.70/0.67 3000-RDS 6 3.49/0.65 4000-RDS 6 3.51/0.64 4500-RDS 6 4.70/0.67

MODEL SPEEDS RATIOS (LOWHIGH)

MACK mDRIVE TRANSMISSIONS

TmD12AD 12 14.94/1.00 TmD12AO 12 11.73/0.78

GU812

CAPACITY MAKE MODEL

FRONT AXLES

12,000lb.[5443kg]

14,600lb.[6600kg]

18,000lb.[8165kg]

20,000lb.[9072kg]

23,000lb.[10400kg]

MACK

MACK

MACK

MACK

MACK

FXL12

FXL14.6

FXL18

FXL20

FXL23

CAPACITY MAKE MODEL

REAR AXLES

23,000lb.[10433kg]

30,000lb.[13608kg]

MACKMERITOR

MERITORDANASPICER

RA23RRS23-160

RS30-185S30-190

SALES ENGINEERINGMackTrucks.com

AVAILABLE DRIVELINE COMPONENTS CONTINUED

The information in this document was accurate as of the date of the publication. Illustrations may not be representative of current product. Mack Trucks, Inc. reserves the right to make changes in specifications, equipment or design, or to discontinue models or options without notice at any time.