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844H


  • 844H - Wheel Dozers
  • 844H - Wheel Dozers
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844H

The Cat® 844H Wheel Dozer continues the Caterpillar tradition with its power, mobility, operator comfort and blade selection that allows you to get the job done quickly and economically. The 844H is ideally suited for the rugged duties associated with mining, quarries and utilities.

Engine Model
Cat® C27 ACERT®
Gross Power
512 kW
Net Power
468 kW
Bore
137 mm

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SPECIFICATION

Standard Equipment
Engine Model Cat® C27 ACERT®
Gross Power 512 kW
Net Power 468 kW
Bore 137 mm
Stroke 152 mm
Displacement 27.1 l
Cylinders 12
Torque Rise 31 %
Net Power - SAE J1349 (JAN90) 463 kW
Net Power - EEC 80/1269 468 kW
Net Power - ISO 9249 468 kW
Net Power - ISO 14396 499 kW
Net Power - DIN 70020 650 PS
Standard Equipment
Operating Weight 70815 kg
Standard Equipment
Converter Drive - Forward 1 7 km/h
Converter Drive - Forward 2 12.2 km/h
Converter Drive - Forward 3 21 km/h
Converter Drive - Reverse 1 7.7 km/h
Converter Drive - Reverse 2 13.4 km/h
Converter Drive - Reverse 3 23 km/h
Direct Drive - Forward 1 7.2 km/h
Direct Drive - Forward 2 12.8 km/h
Direct Drive - Forward 3 22.5 km/h
Direct Drive - Reverse 1 7.9 km/h
Direct Drive - Reverse 2 14.1 km/h
Direct Drive - Reverse 3 24.8 km/h
Number of Forward Speeds 3
Number of Reverse Speeds 3
Standard Equipment
Output at 2,040 rpm and 6900 kPa (1,000 psi) 311 l/min
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke 209.5 mm × 188 mm (8.25 in × 7.5 in)
Relief Valve Setting - Bulldozer (Large Pump) 18650 kPa
Relief Valve Setting - Tilt Cylinders (Small Pump) 20150 kPa
Standard Equipment
Relief Valve Setting 31000 kPa
Steering Angle - Each Direction 35 °
Minimum Turning Radius - Over Bucket 10337 mm
Hydraulic Output at 2,128 rpm and 6900 kPa (1,000 psi) 410 l/min
Minimum Turning Radius - Over Bucket - HL 10757 mm
Standard Equipment
Fuel Tank - Standard 1016 l
Cooling System 150 l
Crankcase 95 l
Transmission 110 l
Hydraulic Tank 717 l
Differential - Final Drives - Front 271 l
Differential - Final Drives - Rear 261 l
Hydraulic System - Implement and Brakes - Tank Only 197 l
Hydraulic System - Steering and Engine Cooling Fan - Tank Only 132 l
Standard Equipment
Cab - ROPS/FOPS Meets SAE and ISO standards
Standard Equipment
Brakes Meets SAE/ISO 3450 1996
Standard Equipment
Front Fixed
Rear Oscillating ±11°
Maximum Single-Wheel Rise and Fall 572 mm
Standard Equipment
Operating Weight 70815 kg
Standard Equipment
Blade Capacities 16.1 m3-30.7 m3 (21.1 yd3-40.2 yd3)
Standard Equipment
Sound Performance Meets ANSI, SAE and ISO standards