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    844 Wheel Dozer
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    D7 Dozer
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    Engine
    Engine Model C27 Cat® Cat C9.3B -
    Rated Speed 1800 r/min - -
    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 - -
    Bore 5.4 in - -
    Stroke 6 in - -
    Displacement 1649.5 in³ - -
    Peak Torque - Speed 2624 lb/ft - -
    Torque Rise 18 % - -
    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 U.S. EPA Tier 4 Final/EU Stage V/Japan 2014/Korea Stage V/China Nonroad Stage IV -
    Power - Net - 265 HP -
    Net Power - Rated - ISO 9249/SAE J1349 - 265 HP -
    Net Power (Rated) - ISO 9249 (DIN) - 268 mhp -
    Note (1) - Net power at 2,200 rpm. Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. Advertised power is tested per the specified standard in effect at the t -
    Note (2) - Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) ** or 100% renewable diesel, HVO ( -
    Note (3) - Basic machine specs provided below. For complete specifications and dimensions by configuration, blade and track shoe offerings and more, please visit the product download section to view the full Technical Specifications document. -
    Note (4) - Machine Build Number 17A -

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

    Transmission
    Transmission Type Cat Planetary Power Shift - -
    Converter Drive - Forward 1 4.5 mile/h - -
    Converter Drive - Forward 2 8.3 mile/h - -
    Converter Drive - Forward 3 14.2 mile/h - -
    Converter Drive - Reverse 1 4.9 mile/h - -
    Converter Drive - Reverse 2 9.1 mile/h - -
    Converter Drive - Reverse 3 15.5 mile/h - -
    Direct Drive - Forward 1 Lock-up disabled - -
    Direct Drive - Forward 2 8.5 mile/h - -
    Direct Drive - Forward 3 15.2 mile/h - -
    Direct Drive - Reverse 1 5.4 mile/h - -
    Direct Drive - Reverse 2 9.6 mile/h - -
    Direct Drive - Reverse 3 16.4 mile/h - -
    Power Train - Fully Automatic 4-Speed -

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

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

    Service Refill Capacities
    Fuel Tank - Standard 286.6 gal (US) - -
    Cooling System 54.9 gal (US) - -
    Crankcase 20 gal (US) - -
    Transmission 29.1 gal (US) - -
    Differential - Final Drives - Front 71.6 gal (US) - -
    Differential - Final Drives - Rear 68.9 gal (US) - -
    Hydraulic System - Implement and Hydraulic Fan 68.9 gal (US) - -
    Hydraulic System - Steering and Braking 34.9 gal (US) - -
    Fuel Tank - 123 gal (US) -
    DEF Tank - 12 gal (US) -

    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 1.36 kg of refrigerant which has a CO2 equivalent of 1.946 metric tonnes. -

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

    Brakes
    Brakes Meets ISO 3540:2011 - -

    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) - -

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

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

    Weights
    Operating Weight - 65644 lb -
    Note (1) - Standard SU operating weight includes ripper with three shanks adding approximately 2993 kg/6596 lbs. LGP S operating weight with drawbar. -

    Standard SU
    Operating Weight - 65644 lb -
    Ground Pressure - 10 psi -
    Width of Standard Shoe - 24 in -
    Blade - Semi-Universal (SU) -
    Blade Capacity - 10 yd³ -

    LGP S
    Operating Weight - 63220 lb -
    Ground Pressure - 6 psi -
    Width of Standard Shoe - 36 in -
    Blade - Straight (S) -
    Blade Capacity - 8 yd³ -

    Waste Handler
    Operating Weight - 62035 lb -
    Ground Pressure - 10 psi -
    Width of Standard Shoe - 24 in -
    Blade - Universal Landfill (U) -
    Blade Capacity - 22 yd³ -

    Sustainability
    Recyclability - 98% -

    Note (2) - Configurations and features may vary by region. Please consult your Cat dealer for availability in your area. -
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