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    854 Wheel Dozer
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    844 Wheel Dozer
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    Engine
    Engine Model Cat C32B C27 Cat® -
    Gross Power 907 HP - -
    Emissions (U.S. EPA Tier 4 Final): Gross Power - SAE J1995 900 HP - -
    Emissions (U.S. EPA Tier 4 Final): Net Power ISO - 9249 814 HP - -
    Emissions (Tier 2 Equivalent): Gross Power - SAE J1995 907 HP - -
    Emissions (Tier 2 Equivalent): Net Power ISO - 9249 823 HP - -
    Rated Speed 1750 r/min 1800 r/min -
    Bore 5.7 in 5.4 in -
    Stroke 6.4 in 6 in -
    Displacement 1958 in² 1649.5 in³ -
    Peak Torque - 1,200 rpm 3139 lb/ft - -
    Torque Rise 30 % 18 % -
    Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. - -
    Note (2) Net torque rise meets SAE J139. - -
    Note (3) No engine derating required up to 3050 m (10,000 ft) altitude. - -
    Gross Power - ISO 14396 - 752 HP -
    Gross Power - SAE J1995 - 766 HP -
    Net Power - SAE J1349 - Standard Ambient - 699 HP -
    Net Power - SAE J1349 - High Ambient - 648 HP -
    Peak Torque - Speed - 2624 lb/ft -
    Emissions - U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2 -

    Weights
    Operating Weight 224647 lb - -

    Transmission
    Transmission Type Cat Planetary Power Shift Cat Planetary Power Shift -
    Converter Drive - Forward 1 4.4 mile/h 4.5 mile/h -
    Converter Drive - Forward 2 7.7 mile/h 8.3 mile/h -
    Converter Drive - Forward 3 13.2 mile/h 14.2 mile/h -
    Converter Drive - Reverse 1 4.8 mile/h 4.9 mile/h -
    Converter Drive - Reverse 2 8.4 mile/h 9.1 mile/h -
    Converter Drive - Reverse 3 14.6 mile/h 15.5 mile/h -
    Direct Drive - Forward 1 Lock-up disabled Lock-up disabled -
    Direct Drive - Forward 2 8.1 mile/h 8.5 mile/h -
    Direct Drive - Forward 3 14.2 mile/h 15.2 mile/h -
    Direct Drive - Reverse 1 5 mile/h 5.4 mile/h -
    Direct Drive - Reverse 2 8.9 mile/h 9.6 mile/h -
    Direct Drive - Reverse 3 15.6 mile/h 16.4 mile/h -
    Note Travel speeds based on 45/65-45 L-5 46 ply tires. - -

    Hydraulic System - Lift/Tilt
    Output at 1,850 rpm and 6900 kPa (1,000 psi) 161 gal/min - -
    Cylinders, Double Acting - Lift, Bore and Stroke 177 mm × 1760 mm (0.58 ft × 5.8 ft) 133 mm × 1535 mm (5.25 in × 60.4 in) -
    Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 267 mm × 286 mm (0.88 ft × 0.94 ft) 210 mm × 188 mm (8.25 in × 7.4 in) -
    Output at 2,000 rpm and 6900 kPa (1,000 psi) - 82 gal/min -
    Relief Valve Setting - Bulldozer (Large Pump) - 2700 psi -
    Relief Valve Setting - Tilt Cylinders (Small Pump) - 2920 psi -

    Service Refill Capacities
    Fuel Tank - Standard 413 gal (US) 286.6 gal (US) -
    Cooling System 53 gal (US) 54.9 gal (US) -
    Crankcase 32 gal (US) 20 gal (US) -
    Transmission 45 gal (US) 29.1 gal (US) -
    Differential - Final Drives - Front 98 gal (US) 71.6 gal (US) -
    Differential - Final Drives - Rear 90 gal (US) 68.9 gal (US) -
    Hydraulic System - Steering and Engine Cooling Fan - Tank Only 77 gal (US) - -
    Note (1) - All nonroad U.S. EPA Tier 4, European Union (EU) Stage IIIB and V, and Japan (MLIT) Step 4 diesel engines are required to use only Ultra Low Sulfer Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfer or less. Biodiesel blends up to B20 (20% blend by vo - -
    Hydraulic System - Implement and Hydraulic Fan - 68.9 gal (US) -
    Hydraulic System - Steering and Braking - 34.9 gal (US) -

    Axles
    Front Fixed Fixed -
    Rear Trunnion Trunnion -
    Oscillation Angle - 8.5 ° -

    Brakes
    Brakes Meets ISO 3540:2011 Meets ISO 3540:2011 -

    Blades
    Blade Capacities 30.5 to 44.8 m3 (40 to 58.6 yd3) - -

    Dimensions (Approximate)
    Height - Top of ROPS 18.25 ft 17.2 ft -
    Height - Top of Exhaust Pipe 17.17 ft 16.6 ft -
    Height - Top of Hood 13 ft 12.7 ft -
    Ground Clearance 27 in 2 ft -
    Centerline of Front Axle to Hitch 9.67 ft 7.5 ft -
    Centerline of Rear Axle to Edge of Bumper 13.75 ft 12.5 ft -
    Wheel Base 19.25 ft 15.1 ft -
    Length - With Blade on Ground 44 ft 36.5 ft -

    Hydraulic System - Steering
    Steering System - Pump Piston, variable displacement Piston, variable displacement -
    Minimum Turning Radius - Over Blade 31 ft 34 ft -
    Steering System - Circuit Pilot, load sensing Pilot, load sensing -
    Total Steering Angle 86 degrees 35 ° -
    Relief Valve Setting 5004 psi 4500 psi -
    Maximum Flow - 94.3 gal/min -

    Operating Specifications
    Operating Weight 224647 lb 165089 lb -
    Blade Capacities - 15.9 - 30.7 m3 (20.7 - 40.2 yd3) -

    Sound Performance Levels
    Sound Performance • The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. • The operator sound pressure level was measured according to ISO 6396:2008. The measurement was - -

    Air Conditioning System
    Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. -

    Cab
    ROPS/FOPS ISO 3471:2008 and ISO 3449:2005 Level II Standards ISO 3471:2008 and ISO 3449:2005 Level II Standards -

    Sound Performance - Standard
    Operator Sound Level (ISO 6396:2008) - 69 dB(A) -
    Machine Sound Level (ISO 6395:2008) - 115 dB(A) -

    Sound Performance - Suppression
    Operator Sound Level (ISO 6396:2008) - 69 dB(A) -
    Machine Sound Level (ISO 6395:2008) - 113 dB(A) -
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