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Komatsu D31E-20 Crawler Dozer

The Komatsu D31E-20 Crawler Dozer is equipped with a turbocharged engine, boasting a net power of 70 horsepower. With a sturdy 4-cylinder S4D102E engine model, this machine delivers reliability and efficiency for various earthmoving tasks. Its hydraulic system features a gear type pump and a relief valve pressure of 2494.7 psi, ensuring smooth operation. With an operating weight of 13,867.1 pounds, a fuel capacity of 30.4 gallons, and a ground contact area of 1923.6 square inches, this dozer is designed for optimal performance in diverse job sites.


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General Specifications

Engine

AspirationTurbocharged
Displacement239 cu in (3,921 cu cm)
Engine ModelS4D102E
Net Power70 hp (52 kw)
Number of Cylinders4
Power Measured @2350 rpm

Hydraulic System

Pump typegear type
Relief Valve Pressure2494.7 psi

Operating Specifications

Cooling System Fluid Capacity6 gal (22 l)
Engine Oil Capacity4 gal (14 l)
Final Drives Fluid Capacity3 gal (10 l)
Fuel Capacity30 gal (115 l)
Operating Weight13,867 lbs (6,290 kg)

Transmission

Max Speed - Forward4 mph (7 kph)
Max Speed - Reverse5 mph (7 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission TypeHydroshift

Undercarriage

Ground Contact Area1,924 cu in (31,522 cu cm)
Ground Pressure6 psi
Number of Shoes per Side37
Number of Track Rollers per Side5
Standard Shoe Size13 in (33 cm)
Track Gauge5 ft (1 m)


39.95234 \\ -75.16379 \\ Fort Washington \\ PA