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824K Wheel Dozer
844 Wheel Dozer

Engine

Engine Model Cat® C15 C27 Cat® -
Net Power - ISO 9249 405 HP - -
Stroke 6.7 in 6 in -
Gross Power 435 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 1649.5 in³ -
Bore 5.4 in 5.4 in -
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 -
Peak Torque - Speed - 2624 lb/ft -
Torque Rise - 18 % -

Transmission

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

Axles

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

Service Refill Capacities

Differential - Final Drives - Front 26.4 gal (US) 71.6 gal (US) -
Fuel Tank 206.6 gal (US) - -
Differential - Final Drives - Rear 29.1 gal (US) 68.9 gal (US) -
Transmission 17.4 gal (US) 29.1 gal (US) -
Cooling System 30.6 gal (US) 54.9 gal (US) -
Fuel Tank - Standard - 286.6 gal (US) -
Crankcase - 20 gal (US) -
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 165089 lb -
Blade Capacities - 15.9 - 30.7 m3 (20.7 - 40.2 yd3) -

Dimensions (Approximate)

Height - Top of Hood 10.5 ft 12.7 ft -
Height - Top of Cab 13.5 ft - -
Wheel Base 12.1 ft 15.1 ft -
Centerline of Rear Axle to Edge of Bumper 9.3 ft 12.5 ft -
Height - Top of Exhaust Stack 14.2 ft - -
Ground Clearance 1.4 ft 2 ft -
Centerline of Front Axle to Hitch 6.1 ft 7.5 ft -
Height - Top of ROPS - 17.2 ft -
Height - Top of Exhaust Pipe - 16.6 ft -
Length - With Blade on Ground - 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 -
Steering System - Pump Piston – Variable Displacement 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 -

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 -

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. -

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 -
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