844 Wheel Dozer
Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. Engineered for your demanding work in large dozing applications, the 844 Wheel Dozer is the largest in the Cat Wheel Dozer line and is an ideal match for large mining operations, power generating utilities, the general contracting industry and wherever mobility, versatility and compaction is needed.
Engine
- Gross Power - SAE J1995
- 766 HP
- Bore
- 5.4 in
- Stroke
- 6 in
- Displacement
- 1649.5 in²
- 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
- Rated Speed
- 1800 r/min
- Engine Model
- C27 Cat®
- Gross Power - ISO 14396
- 752 HP
Service Refill Capacities
- Differential - Final Drives - Front
- 71.6 gal (US)
- Differential - Final Drives - Rear
- 68.9 gal (US)
- Cooling System
- 54.9 gal (US)
- Crankcase
- 20 gal (US)
- Transmission
- 29.1 gal (US)
Transmission
- Transmission Type
- Cat Planetary Power Shift
- Direct Drive - Forward 2
- 8.5 mile/h
- Direct Drive - Forward 3
- 15.2 mile/h
- Direct Drive - Reverse 2
- 9.6 mile/h
- Direct Drive - Reverse 3
- 16.4 mile/h
- Direct Drive - Reverse 1
- 5.4 mile/h
Hydraulic System - Steering
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
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 equiv
Dimensions (Approximate)
- Height - Top of Exhaust Pipe
- 16.6 ft
- Centerline of Rear Axle to Edge of Bumper
- 12.5 ft
- Ground Clearance
- 2 ft
- Wheel Base
- 15.1 ft
- Centerline of Front Axle to Hitch
- 7.5 ft
- Height - Top of Hood
- 12.7 ft
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 8.5
Brakes
- Brakes
- Meets ISO 3540:2011
Operating Specifications
- Operating Weight
- 165089 lb
Cab
- ROPS/FOPS
- ISO 3471:2008 and ISO 3449:2005 Level II Standards
