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Current number of specifications

 
Komatsu D31E-20 Crawler Tractor

Selected Dimensions

Undercarriage
G. Track Gauge4.8 ft in1450 mm
H. Standard Shoe Size13 in330 mm

Specification

Engine
MakeKomatsu
ModelS4D102E
Net Power70 hp52.2 kw
Power Measured @2350 rpm
Displacement239.2 cu in3.9 L
Number of Cylinders4
AspirationTurbocharged
Operational
Operating Weight13867.1 lb6290 kg
Fuel Capacity30.4 gal115 L
Cooling System Fluid Capacity5.8 gal22 L
Engine Oil Capacity3.7 gal14 L
Powertrain Fluid Capacity3.4 gal13 L
Final Drives Fluid Capacity2.5 gal9.5 L
Transmission
TypeHydroshift
Number of Forward Gears3
Number of Reverse Gears3
Max Speed - Forward4 mph6.5 km/h
Max Speed - Reverse4.4 mph7.1 km/h
Undercarriage
Ground Pressure5.9 psi41 kPa
Ground Contact Area1923.6 in21.2 m2
Standard Shoe Size13 in330 mm
Number of Shoes per Side37
Number of Track Rollers per Side5
Track Gauge4.8 ft in1450 mm
Hydraulic System
Pump typegear type
Relief Valve Pressure2494.7 psi17200 kPa