Caterpillar 844 Wheel Dozer

Axles

Front Fixed
Maximum Single-Wheel Rise and Fall 23 in (57 cm)
Rear Oscillating 11 degrees

Blades

Blade Capacity 21 cu yd (16 cu m)
Blade Height 6 ft (2 m)
Blade Width 18 ft (5 m)

Brakes

Brakes Meets SAE/ISO 3450 1996.

Cab

ROPS/FOPS Meets SAE and ISO standards.
Sound Performance Levels Meets ANSI, SAE and ISO standards.

Dimensions

Ground Clearance 2 ft (0 m)
Height – Top of Cab 17 ft (5 m)
Length with Blade on Ground 36 ft (11 m)
Wheelbase 15 ft (5 m)
Width Over Tires 14 ft (4 m)

Engine

Bore 5 in (14 cm)
Displacement 1,648 cu in (27,001 cu cm)
Engine Make 2236
Engine Model Cat 3412E
Flywheel Power 620 hp (462 kw)
Gross Power 620 hp (462 kw)
Number of Cylinders 12
Power Measured @ 2000 rpm
Stroke 6 in (15 cm)

Operating Specifications

Blade Capacities 15.9 to 30.7 m3 20.7 to 40.2 yd3
Fuel Capacity 212 gal (803 l)
Ground Clearance 2 ft (0 m)
Operating Weight 155,117 lbs (70,360 kg)
Tire Size 45/65-R39 PR

Service Refill Capacities

Cooling System 50 gal (190 l)
Crankcase 25 gal (95 l)
Differential – Final Drives – Front 72 gal (271 l)
Fuel Tank – Standard 260 gal (984 l)
Hydraulic Tank 141 gal (534 l)
Transmission 29 gal (110 l)

Steering System

Steering Angle 35 degrees

Tires

Standard Tire Size Two choices available.

Transmission

Converter Drive – Forward 1 4 mph (7 kph)
Converter Drive – Forward 2 8 mph (12 kph)
Converter Drive – Forward 3 13 mph (21 kph)
Converter Drive – Reverse 1 5 mph (8 kph)
Converter Drive – Reverse 2 8 mph (14 kph)
Converter Drive – Reverse 3 14 mph (23 kph)
Direct Drive – Forward 1 4.5 mile/h
Direct Drive – Forward 2 8 mph (13 kph)
Direct Drive – Forward 3 14 mph (23 kph)
Direct Drive – Reverse 1 5 mph (8 kph)
Direct Drive – Reverse 3 15 mph (25 kph)
Max Speed – Forward 13 mph (21 kph)
Max Speed – Reverse 14 mph (23 kph)
Number of Forward Gears 3
Number of Forward Speeds 3
Number of Reverse Gears 3
Number of Reverse Speeds 3

Weights

Operating Weight 156,120 lbs (70,815 kg)
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