Komatsu D31E-20 Crawler dozers research

Komatsu D31E-20 Crawler dozers Technical specifications
General
Engine model
S4D102E
Operating weight
6,290 kg
Max speed forward
6.6 kph
Operational specifications
Drive type
Komatsu HYDROSHIFT transmission
Engine
Displacement
3921 cu cm
Aspiration
Turbocharged
Number of cylinders
4
Net power
52.2 kw
Refill capacities
Final drives fluid cap
9.84 liters
Engine oil cap
14 liters
Undercarriage
Ground contact area
31522.23 cm3
Number of shoes per side
37
Ground pressure
0.41 bar
Number of track rollers per side
5
Track width
33.02 cm
Track gauge
1.46 m
Hydraulic system
Relief valve pressure
172 bar
Pump type
Gear driven
Service refill capacities
Cooling fluid cap
22.33 liters
Fuel cap
115.06 liters
Transmission
Max speed reverse
7.24 kph
Number of reverse gears
3
Number of forward gears
3
Download datasheets
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