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    834 Wheel Dozer
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    Engine
    Engine Model Cat® C18 - C27 Cat®
    Rated Speed 1900 r/min - 1800 r/min
    Peak Power Speed 1500 r/min - -
    Gross Power - SAE J1995 562 HP - 766 HP
    Net Power - SAE J1349 496 HP - -
    Bore 5.7 in - 5.4 in
    Stroke 7.2 in - 6 in
    Displacement 1105 in³ - 1649.5 in³
    Peak Torque - 1,300 rpm 2092 lb/ft - -
    Torque Rise 52 % - 18 %
    Emissions U.S. EPA Tier 4 Final and EU Stage V emission standards or equivalent to U.S. EPA Tier 3 and U.S. EPA Tier 2. - U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2
    Gross Power - ISO 14396 - - 752 HP
    Net Power - SAE J1349 - Standard Ambient - - 699 HP
    Net Power - SAE J1349 - High Ambient - - 648 HP
    Peak Torque - Speed - - 2624 lb/ft

    Operating Specifications
    Operating Weight 105271 lb - 165089 lb
    Blade Capacities 7.9 – 22.2 m3 (10.3 – 29.0 yd3) - 15.9 - 30.7 m3 (20.7 - 40.2 yd3)
    Coal Scoop Operating Weight 112428 lb - -
    Chip Scoop Operating Weight 112838 lb - -

    Transmission
    Transmission Type Cat planetary power shift Cat Planetary Power Shift Cat Planetary Power Shift
    Forward - 1 4.2 mile/h 3.7 mile/h -
    Forward - 2 7.2 mile/h 6.5 mile/h -
    Forward - 3 12.6 mile/h 11.2 mile/h -
    Forward - 4 22 mile/h 19.4 mile/h -
    Reverse - 1 4.2 mile/h 4.2 mile/h -
    Reverse - 2 7.6 mile/h 7.3 mile/h -
    Reverse - 3 13.3 mile/h 12.8 mile/h -
    Direct Drive - Forward 1 Lock-up disabled - Lock-up disabled
    Direct Drive - Forward 2 7.7 mile/h - 8.5 mile/h
    Direct Drive - Forward 3 13.7 mile/h - 15.2 mile/h
    Direct Drive - Forward 4 23.9 mile/h - -
    Direct Drive - Reverse 1 4.5 mile/h - 5.4 mile/h
    Direct Drive - Reverse 2 8.1 mile/h - 9.6 mile/h
    Direct Drive - Reverse 3 14.3 mile/h - 16.4 mile/h
    Reverse - 4 - 22.1 mile/h -
    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

    Hydraulic System - Lift/Tilt
    Lift/Tilt System - Circuit Pilot operated LS valve with EH Pilot operated LS valve with EH -
    Lift/Tilt System Variable displacement piston Variable displacement piston -
    Maximum Flow at 1,900 rpm 153 gal/min - -
    Relief Valve Setting - Lift/Tilt 4641 psi 3190 psi -
    Cylinders, Double Acting - Lift, Bore and Stroke 139.75 mm × 1021 mm (5.5 in × 40.2 in) 120 mm × 915 mm (4.7 in × 36.0 in) 133 mm × 1535 mm (5.25 in × 60.4 in)
    Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in) 101.6 mm × 234 mm (4.0 in × 9.2 in) -
    Pilot System Variable displacement piston Open center, fixed displacement gear -
    Pilot Maximum Flow 13.7 gal/min - -
    Pilot Relief Valve Setting 580 psi 3046 psi -
    Maximum Flow at 2,200 rpm - 23.5 gal/min -
    Output at 2,000 rpm and 6900 kPa (1,000 psi) - - 82 gal/min
    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 Pilot, load sensing Pilot, load sensing
    Steering System - Pump Piston, variable displacement Variable displacement piston Piston, variable displacement
    Maximum Flow 65.8 gal/min - 94.3 gal/min
    Relief Valve Setting - Steering 3495 psi 4003 psi -
    Total Steering Angle 86 ° 72° 35 °
    Steering Cycle Times - High Idle 3.1 s 3 s -
    Steering Cycle Times - Low Idle 5.7 s 8.2 s -
    Maximum Flow at 2,200 rpm - 38.8 gal/min -
    Minimum Turning Radius - Over Blade - - 34 ft
    Relief Valve Setting - - 4500 psi

    Service Refill Capacities
    Fuel Tank 209.5 gal (US) 132.1 gal (US) -
    Cooling System 31.7 gal (US) - 54.9 gal (US)
    Crankcase 15.9 gal (US) - 20 gal (US)
    Diesel Exhaust Fluid Tank 8.7 gal (US) 4.2 gal (US) -
    Transmission 31.7 gal (US) 13.2 gal (US) 29.1 gal (US)
    Hydraulic System Factory Fill 63.4 gal (US) - -
    Differential - Final Drives - Front 49.1 gal (US) 17.2 gal (US) 71.6 gal (US)
    Differential - Final Drives - Rear 49.1 gal (US) 17.2 gal (US) 68.9 gal (US)
    Hydraulic System - Tank Only 37 gal (US) - -
    Cooling Systems - Tier 4 Final/EU Stage V - 21.4 gal (US) -
    Cooling Systems - Brazil MAR-1 and China NonroadStage III, equivalent to Tier 3/EU Stage IIIA - 19.3 gal (US) -
    Engine Crankcase - 5.3 gal (US) -
    Hydraulic System - Implement/Steering - 34.1 gal (US) -
    Hydraulic Tank Only - 19.8 gal (US) -
    Fuel Tank - Standard - - 286.6 gal (US)
    Hydraulic System - Implement and Hydraulic Fan - - 68.9 gal (US)
    Hydraulic System - Steering and Braking - - 34.9 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 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

    Axles
    Front Fixed Planetary – Fixed Fixed
    Rear Trunnion Planetary – Oscillating Trunnion
    Oscillation Angle ±13° ±10° 8.5 °

    Brakes
    Brakes ISO 3450: 2011 - Meets ISO 3540:2011

    Sound Performance - Tier 4 Final/EU Stage V - Standard
    Operator Sound Level (ISO 6396) 72 dB(A) 70 dB(A) -
    Machine Sound Level (ISO 6395) 113 dB(A) 111 dB(A) -
    Note (1) - The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (2) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -
    Note (3) - The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (4) - The operator sound pressure level uncertainty is ± 2 dB(A) -

    Sound Performance - Tier 4 Final/EU Stage V - Suppression
    Operator Sound Level (ISO 6396) 72 dB(A) 70 dB(A) -
    Machine Sound Level (ISO 6395) 109 dB(A) 109 dB(A) -
    Note (1) - The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (2) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -
    Note (3) - The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (4) - The operator sound pressure level uncertainty is ± 2 dB(A). -

    Dimensions
    Height - Top of Exhaust Stack 15.9 ft - -
    Height - Top of Air Cleaner 12.8 ft - -
    Height - Top of Hood 10.9 ft - -
    Ground Clearance - Bumper 3.1 ft - -
    Centerline of Rear Axle to Edge of Bumper 10.5 ft - -
    Wheel Base 14.9 ft - -
    Length - Front of Tire 28.4 ft - -
    Length - Straight Blade on Ground 32.6 ft - -
    Centerline of Front Axle to Hitch 7.5 ft - -
    Length - Universal Blade on Ground 34.4 ft - -
    Ground Clearance 1.7 ft - -
    Height - Top of Cab 13.7 ft - -

    Scoops
    Chip Scoop Carry Capacity 35 yd³ 19 yd³ -
    Chip Scoop Doze Capacity 70 yd³ 37.9 yd³ -
    Coal Scoop Carry Capacity 30 yd³ - -
    Coal Scoop Doze Capacity 60 yd³ - -

    Engine - Tier 4 Final/EU Stage V
    Engine Model - Cat C7.1 -
    Net Power (SAE J1349:2011) - 249 HP -
    Net Power (ISO 9249:2007) - 249 HP -
    Emissions - U.S. EPA Tier 4 Final/EU Stage V -
    Rated Speed - 2200 r/min -
    Gross Power (SAE J1995:2014) - 284 HP -
    Engine Power (ISO 14396:2002) - 275 HP -
    Peak Torque - 1,400 rpm - 902 lb/ft -
    Torque Rise - 52% -
    Bore - 4.1 in -
    Stroke - 5.3 in -
    Displacement - 427.8 in³ -
    High Idle Speed - 2270 r/min -
    Low Idle Speed - 800 r/min -
    Maximum Altitude without Derating - 9842.5 ft -
    Note - 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. -

    Operating Specifications - Tier 4 Final/EU Stage V
    Operating Weight - 48526 lb -

    Engine - Brazil Mar-1 and China Nonroad Stage III, Equivalent to Tier 3/EU Stage IIIA
    Engine Model - Cat C7.1 -
    Emissions - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/EU Stage IIIA -
    Rated Speed - 2200 r/min -
    Net Power (SAE J1349:2011) - 249 HP -
    Gross Power (SAE J1995:2014) - 286 HP -
    Engine Power (ISO 14396:2002) - 275 HP -
    Peak Torque - 1,400 rpm - 749 lb/ft -
    Torque Rise - 26% -
    Bore - 4.1 in -
    Stroke - 5.3 in -
    Displacement - 427.8 in³ -
    High Idle Speed - 2270 r/min -

    Operating Specifications - Brazil Mar-1 and China Nonroad Stage III, Equivalent to Tier 3/EU Stage IIIA
    Operating Weight - 47887 lb -

    Operating Specifications - Tier 4 Final/EU Stage V - Scoop
    Operating Weight - 52280 lb -

    Operating Specifications - Brazil Mar-1 and China Nonroad Stage III, Equivalent to Tier 3/EU Stage IIIA - Scoop
    Operating Weight - 51639 lb -

    Braking System
    Service Brakes - Single Disc Wet (enclosed) 4 WHL -
    Parking Brake - Drum and Shoe, Spring Applied, Hydraulic Released -

    Dimensions (Approximate)
    Height to Top of Beacon - 13.1 ft -
    Height - Top of Cab - 12.1 ft -
    Height - Top of Exhaust Pipe - 11.3 ft 16.6 ft
    Height - Top of Hood - 8.7 ft 12.7 ft
    Height to Top of Radiator Guard - 8 ft -
    Ground Clearance to Hitch - 1.4 ft -
    Ground Clearance to Transmission Guard - 1.4 ft -
    Ground Clearance to Bottom of Bumper - 2.3 ft -
    Centerline of Rear Axle to Bumper - 6.5 ft -
    Centerline of Front Axle to Hitch - 5.5 ft 7.5 ft
    Wheel Base - 11 ft 15.1 ft
    Width over Platform - 10.3 ft -
    Overall Length to Front Tire - 21 ft -
    Overall Machine Length with Straight Blade - 23.6 ft -
    Overall Machine Length with Coal Blade - 25.5 ft -
    Height - Top of ROPS - - 17.2 ft
    Ground Clearance - - 2 ft
    Centerline of Rear Axle to Edge of Bumper - - 12.5 ft
    Length - With Blade on Ground - - 36.5 ft

    Sound Performance - Brazil Mar-1 and China Nonroad Stage III, Equivalent to Tier 3/EU Stage IIIA - Standard
    Operator Sound Level (ISO 6396) - 70 dB(A) -
    Machine Sound Level (ISO 6395) - 112 dB(A) -
    Note (1) - The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (2) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -
    Note (3) - The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (4) - The operator sound pressure level uncertainty is ± 2 dB(A). -

    Sound Performance - Brazil Mar-1 and China Nonroad Stage III, Equivalent to Tier 3/EU Stage IIIA - Suppression
    Operator Sound Level (ISO 6396) - 70 dB(A) -
    Machine Sound Level (ISO 6395) - 110 dB(A) -
    Note (1) - The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (2) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -
    Note (3) - The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. -
    Note (4) - The operator sound pressure level uncertainty is ± 2 dB(A). -

    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
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