Skip to content
844 Wheel Dozer

844 Wheel Dozer

Mobile. Agile. Versatile.

More Comfort ‚Äď More Performance ‚Äď More Versatility

  • IMPROVED EFFICIENCY

    Lock-up torque converter, combined with an on-demand cooling fan and advanced engine idle management, delivers a more smooth shift

  • ENHANCED MAINTENANCE

    Service access is conveniently located, helping to reduce maintenance time

  • ADDITIONAL SAFETY

    Grouped, ground level engine and machine controls allow for safe and easy daily maintenance

  • UP TO 18% LESS CO2 EMISSIONS

    The 844 emits up to 18% less CO2 than the previous 844H.

Engine

Bore 5.4 in
Displacement 1649.5 in³
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
Engine Model C27 Cat¬ģ
Gross Power - ISO 14396 752 HP
Gross Power - SAE J1995 766 HP
Net Power - SAE J1349 - High Ambient 648 HP
Net Power - SAE J1349 - Standard Ambient 699 HP
Peak Torque - Speed 2624 lb/ft
Rated Speed 1800 r/min
Stroke 6 in
Torque Rise 18 %

Operating Specifications

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

Transmission

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
Transmission Type Cat Planetary Power Shift

Hydraulic System - Lift/Tilt

Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 210 mm √ó 188 mm (8.25 in √ó 7.4 in)
Cylinders, Double Acting - Lift, Bore and Stroke 133 mm √ó 1535 mm (5.25 in √ó 60.4 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

Hydraulic System - Steering

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

Service Refill Capacities

Cooling System 54.9 gal (US)
Crankcase 20 gal (US)
Differential - Final Drives - Front 71.6 gal (US)
Differential - Final Drives - Rear 68.9 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)
Transmission 29.1 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
Oscillation Angle 8.5 ¬į
Rear Trunnion

Brakes

Brakes Meets ISO 3540:2011

Sound Performance - Standard

Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)

Sound Performance - Suppression

Machine Sound Level (ISO 6395:2008) 113 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)

Cab

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

Dimensions (Approximate)

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

Download resources

844 Wheel Dozer - Key Features (Global)
844 Wheel Dozer - Technical Specifications (Global)

Get info about our financing options

Get The best solution for your job site needs

Let us help.

Name(Required)
Untitled

Call us today: 1-877-778-2230
or  Send us a message