Caterpillar 844 Wheel Dozer

Wheel Dozer
Wheel Dozer
Wheel Dozer
Wheel Dozer
Wheel Dozer
Wheel Dozer
Units

Dimensions

Dimensions

A

Length With Blade On Ground

35.9ft in

B

Width Over Tires

14.34ft in

E

Ground Clearance

1.42ft in

C

Height To Top Of Cab

16.48ft in

D

Wheelbase

15.1ft in

Operating Specifications

E

Ground Clearance

1.56ft in

Blade Capacities

15.9 to 30.7 m3 20.7 to 40.2 yd3


Specifications

Engine

Number Of Cylinders

12

Engine Make

2236

Engine Model

3142E DITA ATAAC

Net Power

620hp

Power Measured @

2000rpm

Displacement

1647.7cu in

Bore

5.4in

Stroke

6in

Engine 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

Operational

Operating Weight

155117.3lb

Fuel Capacity

212.2gal

Tire Size

45/65-R39 PR

Transmission

Number Of Forward Gears

3

Number Of Reverse Gears

3

Max Speed - Forward

13.1mph

Max Speed - Reverse

14.3mph

Steering

Steering Angle

35degrees

Transmission

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

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

Operating Weight

156120lb

Tires

Standard Tire Size

Two choices available.

Tire Choices

Two choices available.

Blade

Blade Capacity

20.8yd3

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

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.


Compare similar models

Manufacturer/Model

Blade Capacity

Net Power

Operating Weight

Blade Capacity

20.7 yd3

Net Power

627 hp

Operating Weight

156120 lb

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