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Caterpillar 844 Wheel Dozer

The Caterpillar 844 Wheel Dozer is a powerful and efficient machine designed for tough earthmoving tasks. With a blade capacity of 20.8 cubic yards and a gross power of 620 horsepower, this wheel dozer is equipped to handle demanding jobs with ease. Meeting safety standards with features like ROPS/FOPS cab and sound performance levels, the Caterpillar 844 Wheel Dozer offers reliable performance and precision in various working conditions.

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Maximum Single-Wheel Rise and Fall23 in (57 cm)
RearOscillating 11 degrees


Blade Capacity21 cu yd (16 cu m)
Blade Height6 ft (2 m)
Blade Width18 ft (5 m)


BrakesMeets SAE/ISO 3450 1996.


ROPS/FOPSMeets SAE and ISO standards.
Sound Performance LevelsMeets ANSI, SAE and ISO standards.


Ground Clearance2 ft (0 m)
Height - Top of Cab17 ft (5 m)
Length with Blade on Ground36 ft (11 m)
Wheelbase15 ft (5 m)
Width Over Tires14 ft (4 m)


Bore5 in (14 cm)
Displacement1,648 cu in (27,001 cu cm)
Engine Make2236
Engine ModelCat 3412E
Flywheel Power620 hp (462 kw)
Gross Power620 hp (462 kw)
Number of Cylinders12
Power Measured @2000 rpm
Stroke6 in (15 cm)

Operating Specifications

Blade Capacities15.9 to 30.7 m3 20.7 to 40.2 yd3
Fuel Capacity212 gal (803 l)
Ground Clearance2 ft (0 m)
Operating Weight155,117 lbs (70,360 kg)
Tire Size45/65-R39 PR

Service Refill Capacities

Cooling System50 gal (190 l)
Crankcase25 gal (95 l)
Differential - Final Drives - Front72 gal (271 l)
Fuel Tank - Standard260 gal (984 l)
Hydraulic Tank141 gal (534 l)
Transmission29 gal (110 l)

Steering System

Steering Angle35 degrees


Standard Tire SizeTwo choices available.


Converter Drive - Forward 14 mph (7 kph)
Converter Drive - Forward 28 mph (12 kph)
Converter Drive - Forward 313 mph (21 kph)
Converter Drive - Reverse 15 mph (8 kph)
Converter Drive - Reverse 28 mph (14 kph)
Converter Drive - Reverse 314 mph (23 kph)
Direct Drive - Forward 14.5 mile/h
Direct Drive - Forward 28 mph (13 kph)
Direct Drive - Forward 314 mph (23 kph)
Direct Drive - Reverse 15 mph (8 kph)
Direct Drive - Reverse 315 mph (25 kph)
Max Speed - Forward13 mph (21 kph)
Max Speed - Reverse14 mph (23 kph)
Number of Forward Gears3
Number of Forward Speeds3
Number of Reverse Gears3
Number of Reverse Speeds3


Operating Weight156,120 lbs (70,815 kg)

39.04690 \\ -77.49030 \\ Ashburn \\ PA