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824K Wheel Dozer
854 Wheel Dozer
844 Wheel Dozer

Engine

Engine Model Cat® C15 Cat C32B C27 Cat®
Net Power - ISO 9249 405 HP - -
Stroke 6.7 in 6.4 in 6 in
Gross Power 435 HP 907 HP -
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards - U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2
Displacement 927.6 in³ 1958 in² 1649.5 in³
Bore 5.4 in 5.7 in 5.4 in
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
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

Transmission

Transmission Type Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung) 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. -

Axles

Front Planetary – Fixed Fixed Fixed
Rear Planetary – Oscillating Trunnion Trunnion
Oscillation Angle ±11° - 8.5 °

Service Refill Capacities

Differential - Final Drives - Front 26.4 gal (US) 98 gal (US) 71.6 gal (US)
Fuel Tank 206.6 gal (US) - -
Differential - Final Drives - Rear 29.1 gal (US) 90 gal (US) 68.9 gal (US)
Transmission 17.4 gal (US) 45 gal (US) 29.1 gal (US)
Cooling System 30.6 gal (US) 53 gal (US) 54.9 gal (US)
Fuel Tank - Standard - 413 gal (US) 286.6 gal (US)
Crankcase - 32 gal (US) 20 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)

Operating Specifications

Operating Weight 74966 lb 224647 lb 165089 lb
Blade Capacities - - 15.9 - 30.7 m3 (20.7 - 40.2 yd3)

Dimensions (Approximate)

Height - Top of Hood 10.5 ft 13 ft 12.7 ft
Height - Top of Cab 13.5 ft - -
Wheel Base 12.1 ft 19.25 ft 15.1 ft
Centerline of Rear Axle to Edge of Bumper 9.3 ft 13.75 ft 12.5 ft
Height - Top of Exhaust Stack 14.2 ft - -
Ground Clearance 1.4 ft 27 in 2 ft
Centerline of Front Axle to Hitch 6.1 ft 9.67 ft 7.5 ft
Height - Top of ROPS - 18.25 ft 17.2 ft
Height - Top of Exhaust Pipe - 17.17 ft 16.6 ft
Length - With Blade on Ground - 44 ft 36.5 ft

Hydraulic System

Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in) - -
Cylinders, Double Acting - Lift, Bore and Stroke 120 mm × 1070 mm (4.7 in × 42.1 in) - -

Hydraulic System - Steering

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

Weights

Operating Weight - 224647 lb -

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

Brakes

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

Blades

Blade Capacities - 30.5 to 44.8 m3 (40 to 58.6 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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