844

844
Caterpillar
Request a Quote Find a Location
Maximize productivity in mining applications with the Cat® 844 Wheel Dozer, designed with efficiency in mind. Enhanced maintenance capabilities and simplified serviceability make for a long lifecycle, low owning and operating costs, and more uptime. Move more material with a machine built for the toughest conditions.
Maximize productivity in mining applications with the Cat® 844 Wheel Dozer, designed with efficiency in mind. Enhanced maintenance capabilities and simplified serviceability make for a long lifecycle, low owning and operating costs, and more uptime. Move more material with a machine built for the toughest conditions.

Brochures and Spec Sheets

Gallery

844 844 844 844 844 844

Specifications

Specification Value Unit
Engine Model
Net Power - SAE J1349:2011 - Standard Ambient 732 hp
Rated Speed 1800 r/min
Emissions
Engine Power - ISO 14396:2002 786 hp
Gross Power - SAE J1995:2014 801 hp
Net Power - SAE J1349:2011 - High Ambient 681 hp
Emissions
Engine Power - ISO 14396: 2002 752 hp
Gross Power - SAE J1995:2014 766 hp
Net Power - SAE J1349:2011 - Standard Ambient 699 hp
Net Power - SAE J1349:2011 - High Ambient 648 hp
Bore 5.4 in
Stroke 6.0 in
Displacement 1649.5 in³
Peak Torque - Speed 2624 lb/ft
Torque Rise 18 %
Note
Operating Weight 165089 lb
Blade Capacity Range 20.8 yd³
Transmission Type
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
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
Note
Output at 2,000 rpm and 6900 kPa (1,000 psi) 82 gpm
Cylinders, Double Acting - Lift, Bore and Stroke
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
Relief Valve Setting - Bulldozer (Large Pump) 2700 psi
Relief Valve Setting - Tilt Cylinders (Small Pump) 2920 psi
Steering System - Circuit
Steering System - Pump
Minimum Turning Radius - Over Blade 34.0 ft
Total Steering Angle 35 °
Maximum Flow 94.3 gpm
Relief Valve Setting 4500 psi
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
Front
Rear
Oscillation Angle 8.5 °
Brakes
Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008) 116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114 dB(A)
Note (1)
Note (2)
Note (3)
Note (4)
Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008) 116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)* 114 dB(A)
Note (1)
Note (2)
Note (3)
Note (4)
ROPS/FOPS
Height - Top of ROPS 17.2 ft
Height - Top of Exhaust Pipe 16.6 ft
Height - Top of Hood 12.7 ft
Ground Clearance 2.0 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

Standard Equipment

  • NOTE
  • ELECTRICAL AND LIGHTING
  • POWERTRAIN
  • OPERATOR ENVIRONMENT
  • SAFETY
  • SERVICE
  • COOLING
  • COLD WEATHER
  • EFFICIENCY
  • TRAMMING

Optional Equipment

  • NOTE
  • ELECTRICAL AND LIGHTING
  • POWERTRAIN
  • OPERATOR ENVIRONMENT
  • SAFETY
  • SERVICE
  • BLADES
  • COOLING
  • COLD WEATHER
  • TRAMMING