Caterpillar 844 Wheel Dozer

Specifications

Dimensions information

Length With Blade On Ground

35.9ft in

Width Over Tires

14.34ft in

Ride Height

1.42ft in

Maximum height

16.48ft in

Wheelbase length (Distance between the foremost and rearmost wheels)

15.1ft in

Operating Specifications

Ride Height

1.56ft in

Blade Capacities

15.9 to 30.7 m3 20.7 to 40.2 yd3

Specifications

Engine specifications

How many cylinders does an engine have?

12

Brand

2236

Model

3142E DITA ATAAC

Clear engine power

620hp

Revolutions Per Minute

2000rpm

Engine displacement

1647.7cu in

Cylinder bore is the diameter of each cylinder

5.4in

Stroke length engine

6in

Model

Cat 3412E

Flywheel Power

620hp

Flywheel Power – Din 70020

648 PS

Flywheel Power – Caterpillar

625hp

Flywheel Power – Eec 80/1269

625hp

Flywheel Power – Iso 9249

625hp

Flywheel Power – Sae J1349 (Jan90)

618hp

Functional specifications

Basic weight of a machine

155117.3lb

Standart fuel tank capacities

212.2gal

Wheel specs

45/65-R39 PR

Transmission specifications

How many forward gears::

3

How many reverse gears::

3

Top Speed: – Forward

13.1mph

Top Speed: – Reverse

14.3mph

Steering

Steering Angle

35degrees

Transmission specifications

Direct Drive – Forward 3

14mph

Direct Drive – Reverse 3

15.4mph

Direct Drive – Forward 2

7.9mph

Direct Drive – Reverse 2

8.8mph

Converter Drive – Forward 3

13mph

Converter Drive – Reverse 3

14.3mph

Direct Drive – Forward 1

4.5 mile/h

Converter Drive – Forward 1

4.4mph

Converter Drive – Forward 2

7.6mph

Direct Drive – Reverse 1

4.9mph

Converter Drive – Reverse 1

4.8mph

Converter Drive – Reverse 2

8.4mph

Steering

Relief Valve Setting

4500 psi

Minimum Turning Radius – Over Tires

390in

Transmission specifications

Number Of Forward Speeds

3

Number Of Reverse Speeds

3

Steering

Hydraulic Output At 2128 Rpm And 1000 Psi (6900 Kpa)

108 gal/min

Weights

Basic weight of a machine

156120lb

Tires

Standard Wheel specs

Two choices available.

Tire Choices

Two choices available.

Blade

Blade Capacity

20.8yd3

Base blade width:

17.8ft in

Blade Height

6.1ft in

Axles

Front

Fixed

Rear

Oscillating 11 degrees

Maximum Single-Wheel Rise And Fall

22.5in

Hydraulic System specifications

Cylinder, Double Acting – Tilt And Tip, Bore And Stroke

209.5 mm x 188 mm 8.25 in x 7.5 in

Output At 2,126 Rpm And 6894 Kpa (1,000 Psi)

89 gal/min

Relief Valve Setting – Bulldozer (Large Pump)

2700 psi

Relief Valve Setting – Tilt Cylinders (Small Pump)

2920 psi

Brakes

Brakes

Meets SAE/ISO 3450 1996.

Service Refill Capacities

Cooling System

50.2gal

Crankcase

25gal

Hydraulic Tank

141gal

Fuel Tank – Standard

260gal

Transmission

29gal

Differential – Final Drives – Front

71.6gal

Differential – Final Drives – Rear

68.9gal

Hydraulic System – Implement And Brakes – Tank Only

45gal

Hydraulic System – Steering And Engine Cooling Fan – Tank Only

34.9gal

Cab

Rops/Fops

Meets SAE and ISO standards.

Sound Performance Levels

Meets ANSI, SAE and ISO standards.