Compare Equipment Go Back

844 Wheel Dozer

Engine

Engine Model C27 Cat® - -
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 - -

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 - -

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) - -

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. - -

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 - -
Add a Similar Product: