Komatsu D31E-20 Dozer

Engine

Aspiration Turbocharged
Displacement 239 cu in (3,921 cu cm)
Engine Model S4D102E
Net Power 70 hp (52 kw)
Number of Cylinders 4
Power Measured @ 2350 rpm

Hydraulic System

Pump type gear type
Relief Valve Pressure 2494.7 psi

Operating Specifications

Cooling System Fluid Capacity 6 gal (22 l)
Engine Oil Capacity 4 gal (14 l)
Final Drives Fluid Capacity 3 gal (10 l)
Fuel Capacity 30 gal (115 l)
Operating Weight 13,867 lbs (6,290 kg)

Transmission

Max Speed – Forward 4 mph (7 kph)
Max Speed – Reverse 5 mph (7 kph)
Number of Forward Gears 3
Number of Reverse Gears 3
Transmission Type Hydroshift

Undercarriage

Ground Contact Area 1,924 cu in (31,522 cu cm)
Ground Pressure 6 psi
Number of Shoes per Side 37
Number of Track Rollers per Side 5
Standard Shoe Size 13 in (33 cm)
Track Gauge 5 ft (1 m)
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