Engine Model : Cat® C27 ACERT™
Gross Power : 561.0 kW
Operating Weight : 74883.0 kg
Name : Cat
Service Tel : (309)578-6298
E-mail :
Web Site : https://www.caterpillar.com/en.html
Address :
Cat Large 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 844K 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 Model | Cat® C27 ACERT™ Cat® C27 ACERT™ | More |
Gross Power | 752.0 HP 561.0 kW | More |
Bore | 5.4 in 137.2 mm | More |
Stroke | 6.0 in 152.4 mm | More |
Displacement | 1649.5 in³ 27.03 l | More |
Torque Rise | 18.0 % 18.0 % | More |
Emissions | U.S. EPA Tier 4 Final or Tier 2 Equivalent U.S. EPA Tier 4 Final or Tier 2 Equivalent | More |
Gross Power - ISO 14396 | 752.0 HP 561.0 kW | More |
Gross Power - SAE J1995 | 766.0 HP 571.0 kW | More |
Net Power - SAE J1349 | 699.0 HP 521.0 kW | More |
Net Power - SAE J1349 - High Ambient | 648.0 HP 483.0 kW | More |
Net Power - SAE J1349 - Standard Ambient | 699.0 HP 521.0 kW | More |
Peak Torque - Speed | 2624.0 lb/ft 3557.0 N·m | More |
Rated Speed | 1800.0 r/min 1800.0 r/min | More |
Operating Weight | 165089.0 lb 74883.0 kg | More |
Converter Drive - Forward 1 | 4.5 mile/h 7.3 km/h | More |
Converter Drive - Forward 2 | 8.3 mile/h 13.3 km/h | More |
Converter Drive - Forward 3 | 14.2 mile/h 22.9 km/h | More |
Converter Drive - Reverse 1 | 4.9 mile/h 7.9 km/h | More |
Converter Drive - Reverse 2 | 9.1 mile/h 14.7 km/h | More |
Converter Drive - Reverse 3 | 15.5 mile/h 24.9 km/h | More |
Direct Drive - Forward 2 | 8.5 mile/h 13.7 km/h | More |
Direct Drive - Forward 3 | 15.2 mile/h 24.5 km/h | More |
Direct Drive - Reverse 1 | 5.4 mile/h 8.7 km/h | More |
Direct Drive - Reverse 2 | 9.6 mile/h 15.4 km/h | More |
Direct Drive - Reverse 3 | 16.4 mile/h 26.4 km/h | More |
Direct Drive - Forward 1 | Lock-up disabled Lock-up disabled | More |
Transmission Type | Cat Planetary Power Shift Cat Planetary Power Shift | More |
Fuel Tank - Standard | 286.6 gal (US) 1085.0 l | More |
Cooling System | 54.9 gal (US) 208.0 l | More |
Crankcase | 20.0 gal (US) 76.0 l | More |
Transmission | 29.1 gal (US) 110.0 l | More |
Differential - Final Drives - Front | 71.6 gal (US) 271.0 l | More |
Differential - Final Drives - Rear | 68.9 gal (US) 261.0 l | More |
Hydraulic System - Implement and Hydraulic Fan | 68.9 gal (US) 261.0 l | More |
Hydraulic System - Steering and Braking | 34.9 gal (US) 132.0 l | More |
Air Conditioning | Standard air conditioning system contains environmentally friendly R134a refrigerant Standard air conditioning system contains environmentally friendly R134a refrigerant | More |
Cab - ROPS/FOPS (1) | Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan. Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan. | More |
Cab - ROPS/FOPS (2) | SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994 SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994 | More |
FOPS | FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria. FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria. | More |
ROPS | ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria. ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria. | More |
Brakes | Meets ISO 3540:2011 Meets ISO 3540:2011 | More |
Blade Capacity Range | 15.9-30.7 m3 (20.7-40.2 yd3) 15.9-30.7 m3 (20.7-40.2 yd3) | More |
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke | 210 mm × 188 mm (8.25 in × 7.4 in) 210 mm × 188 mm (8.25 in × 7.4 in) | More |
Cylinders, Double Acting - Lift, Bore and Stroke | 133 mm × 1535 mm (5.25 in × 60.4 in) 133 mm × 1535 mm (5.25 in × 60.4 in) | More |
Output at 2,000 rpm and 6900 kPa (1,000 psi) | 82.0 gal/min 311.0 l/min | More |
Relief Valve Setting - Bulldozer (Large Pump) | 2700.0 psi 18650.0 kPa | More |
Relief Valve Setting - Tilt Cylinders (Small Pump) | 2920.0 psi 20150.0 kPa | More |
Maximum Flow | 94.3 gal/min 357.0 l/min | More |
Minimum Turning Radius - Over Blade | 34.0 ft 10369.0 mm | More |
Relief Valve Setting | 4500.0 psi 31000.0 kPa | More |
Steering System - Circuit | Pilot, load sensing Pilot, load sensing | More |
Steering System - Pump | Piston, variable displacement Piston, variable displacement | More |
Total Steering Angle | 35.0 ° 35.0 ° | More |
Centerline of Front Axle to Hitch | 7.5 ft 2300.0 mm | More |
Centerline of Rear Axle to Edge of Bumper | 12.5 ft 3795.0 mm | More |
Ground Clearance | 2.0 ft 596.0 mm | More |
Height - Top of Exhaust Pipe | 16.6 ft 5049.0 mm | More |
Height - Top of Hood | 12.7 ft 3862.0 mm | More |
Height - Top of ROPS | 17.2 ft 5240.0 mm | More |
Length - With Blade on Ground | 36.5 ft 11120.0 mm | More |
Wheel Base | 15.1 ft 4600.0 mm | More |