Compare Equipment Go Back

844 Wheel Dozer
824 Wheel Dozer

Engine

Engine Model Cat® C27 Cat® C15  -
Net Power - SAE J1349:2011 - Standard Ambient 699 hp - -
Rated Speed 1800 r/min 1800 r/min -
Emissions Option 2 - China Nonroad Stage III emissions standards, equivalent to U.S. EPA Tier 2 - -
Engine Power - ISO 14396:2002 786 hp 426 hp -
Gross Power - SAE J1995:2014 766 hp 434 hp -
Net Power - SAE J1349:2011 - High Ambient 648 hp - -
Engine Power - ISO 14396: 2002 752 hp - -
Bore 5.4 in 5.4 in -
Stroke 6 in 6.7 in -
Displacement 1649.5 in³ 927.6 in³ -
Peak Torque - Speed 2624 lb/ft - -
Torque Rise 18 % 33% -
Note Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator. - -
Net Power - SAE J1349:2011 - 405 hp -
Net Power - ISO 9249:2007 - 405 hp -
Peak Net Torque (1,300 rpm) - 1479 lbf·ft -
Maximum Altitude without Derating (U.S. EPA Tier 4 Final/EU Stage V) - 9298 ft -
Maximum Altitude without Derating (U.S. EPA Tier 3/EU Stage IIIA) - 9098 ft -
High Idle Speed - 2300 r/min -
Low Idle Speed - 800 r/min -
Note (1) - Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module and alternator. -
Note (2) - Two engine emission configurations are available. One meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emissions standards. The other meets Brazil MAR-1 emission standards, emitting equivalent to U.S. EPA Tier 3 and EU Stage IIIA. -

Operating Specifications

Operating Weight 165089 lb - -
Blade Capacity Range 20.8 yd³ 5.1-16.2 m3 (6.6-21.2 yd3) -
Operating Weight – Straight Blade (Tier 4 Final/Stage V) - 74966 lb -

Transmission

Transmission Type Cat Planetary Power Shift Cat planetary - powershift - ECPC -
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 - -
Note Travel speeds based on 45/65-45 L-5 46 ply tires. - -
Forward - 1 - 3.8 mile/h -
Forward - 2 - 6.9 mile/h -
Forward - 3 - 12.2 mile/h -
Forward - 4 - 21.6 mile/h -
Reverse - 1 - 4.3 mile/h -
Reverse - 2 - 7.8 mile/h -
Reverse - 3 - 13.9 mile/h -
Reverse - 4 - 24.7 mile/h -

Hydraulic System - Lift/Tilt

Output at 2,000 rpm and 6900 kPa (1,000 psi) 82 gpm - -
Cylinders, Double Acting - Lift, Bore and Stroke 133 mm × 1535 mm (5.25 in × 60.4 in) 120 mm × 1070 mm (4.7 in × 42.1 in) -
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 210 mm × 188 mm (8.25 in × 7.4 in) 140 mm × 230 mm (5.5 in × 9.1 in) -
Relief Valve Setting - Bulldozer (Large Pump) 2700 psi - -
Relief Valve Setting - Tilt Cylinders (Small Pump) 2920 psi - -
Pump Flow at 1,800 rpm - 30.9 gpm -
Main Relief Pressure - 3771 psi -
Maximum Supply Pressure - 3495 psi -

Hydraulic System - Steering

Steering System - Circuit Pilot, load sensing Pilot operated, load sensing -
Steering System - Pump Piston, variable displacement Variable displacement piston -
Minimum Turning Radius - Over Blade 34 ft - -
Total Steering Angle 35 ° - -
Maximum Flow 94.3 gpm - -
Relief Valve Setting 4500 psi - -
Bore - 4.5 in -
Stroke - 22.7 in -
Max Flow at 1,800 rpm - 44.9 gpm -
Relief Valve Setting - Steering - 3481 psi -
Vehicle Articulation Angle - 86° -

Service Refill Capacities

Fuel Tank - Standard 286.6 gal (US) - -
Cooling System 54.9 gal (US) 30.6 gal (US) -
Crankcase 20 gal (US) - -
Transmission 29.1 gal (US) 17.4 gal (US) -
Differential - Final Drives - Front 71.6 gal (US) 26.4 gal (US) -
Differential - Final Drives - Rear 68.9 gal (US) 29.1 gal (US) -
Hydraulic System - Implement and Hydraulic Fan 68.9 gal (US) - -
Hydraulic System - Steering and Braking 34.9 gal (US) - -
Engine Crankcase - 9 gal (US) -
Fuel Tank - 206.6 gal (US) -
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) - 8.5 gal (US) -
Hydraulic Tank Only - 35.4 gal (US) -
Hydraulic System - Implement/Steering - 56.5 gal (US) -
Note (1) - All nonroad Tier 4 Final, EU Stage V, and Japan 2014 (Tier 4 Final) diesel engines are required to use: – Ultra low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. – Cat engines are compatible with the following renewable, alternative -

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system co -

Axles

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

Brakes

Brakes Meets ISO 3540:2011 - -

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008) 72 dB(A) 73 dB(A) -
Machine Sound Power Level (ISO 6395:2008) 116 dB(A) 113 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) 72 dB(A) -
Machine Sound Power Level (ISO 6395:2008)* 114 dB(A) - -
Note (1) *Sound suppression equipped * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives” -
Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. ** European Union Directive “2000/14/EC” as amended by “2005/88/EC.” and UK Noise Regulation 2001 No. 1701 -
Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. -
Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. -
Machine Sound Power Level (ISO 6395:2008)** - 110 dB(A) -
Note (5) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -

Sound Performance - Tier 2

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) *Sound suppression equipped - -
Note (2) The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
Note (3) The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed. - -
Note (4) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. - -

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 10.5 ft -
Ground Clearance 2 ft 1.8 ft -
Centerline of Front Axle to Hitch 7.5 ft 6.1 ft -
Centerline of Rear Axle to Edge of Bumper 12.5 ft 9.3 ft -
Wheel Base 15.1 ft 12.1 ft -
Length - With Blade on Ground 36.5 ft - -
Height to Top of Beacon - 14.5 ft -
Height - Top of Exhaust Stack - 14.2 ft -
Ground Clearance - Bumper - 2.8 ft -
Length - With Blade on Ground - Straight Blade - 27.6 ft -
Ground Clearance to Trunnion - 1.45 ft -
Height - Top of Cab - 13.5 ft -
Width Over Guardrails - 10.94 ft -

Braking System

Parking Brake - Drum and shoe, spring applied, hydraulic released -
Brakes - Multi-disc wet (enclosed) 4 WHL -

Sound Performance - Tier 3 / Stage IIIA

Operator Sound Pressure Level (ISO 6396:2008) - 73 dB(A) -
Machine Sound Power Level (ISO 6395:2008) - 113 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)* - 72 dB(A) -
Machine Sound Power Level (ISO 6395:2008)** - 110 dB(A) -
Note (1) - * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives” -
Note (2) - ** European Union Directive “2000/14/EC” as amended by “2005/88/EC.” and UK Noise Regulation 2001 No. 1701 -
Note (3) - The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. -
Note (4) - The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed. -
Note (5) - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. -

Straight Blade

Capacity - 6.6 yd³ -
Width Over End Bits - 177.4 in -
Height - 48.4 in -
Dig Depth - 17.6 in -
Ground Clearance - 41.6 in -
Maximum Tilt - 45.9 in -
Turning Radius – Outside Corner of Blade - 23.7 ft -
Turning Radius – Inside Corner of Blade - 10.15 ft -

Straight Push Plate Blade

Capacity - 6.6 yd³ -
Width Over End Bits - 177.4 in -
Height - 48.4 in -
Dig Depth - 17.6 in -
Ground Clearance - 41.6 in -
Maximum Tilt - 45.9 in -
Turning Radius – Outside Corner of Blade - 23.2 ft -
Turning Radius – Inside Corner of Blade - 10.2 in³ -

Semi-Universal Blade

Capacity - 10 yd³ -
Width Over End Bits - 174.1 in -
Height - 61.1 in -
Dig Depth - 18.8 in -
Ground Clearance - 42 in -
Maximum Tilt - 44.1 in -
Turning Radius – Outside Corner of Blade - 23.8 ft -
Turning Radius – Inside Corner of Blade - 10.8 ft -

Universal Blade

Capacity - 10 yd³ -
Width Over End Bits - 171.3 in -
Height - 53.1 in -
Dig Depth - 18.1 in -
Ground Clearance - 41.4 in -
Maximum Tilt - 44.6 in -
Turning Radius – Outside Corner of Blade - 23.9 ft -
Turning Radius – Inside Corner of Blade - 11.3 ft -

Coal Blade

Capacity - 21.2 yd³ -
Width Over End Bits - 189 in -
Height - 68.7 in -
Dig Depth - 18.6 in -
Ground Clearance - 42.2 in -
Maximum Tilt - 48.9 in -
Turning Radius – Outside Corner of Blade - 24.9 ft -
Turning Radius – Inside Corner of Blade - 11.4 ft -

Extended Wear Blade

Capacity - 10.6 yd³ -
Width Over End Bits - 171.6 in -
Height - 53.1 in -
Dig Depth - 18.1 in -
Ground Clearance - 41.4 in -
Maximum Tilt - 44.6 in -
Turning Radius – Outside Corner of Blade - 23.9 ft -
Turning Radius – Inside Corner of Blade - 11.4 ft -
Add a Similar Product: