Komatsu D31E-20 Crawler Dozer Specs

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D31E-20 ➔

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.

Engine

Komatsu D31E-20 Crawler Dozer Engine specifications
Aspiration	Turbocharged
Displacement	239.30 cu in (3,921.43 cu cm)
Engine Model	S4D102E
Net Power	70.00 hp (52.20 kw)
Number of Cylinders	4
Power Measured @	2350 rpm

Hydraulic System

Komatsu D31E-20 Crawler Dozer Hydraulic System specifications
Pump type	gear type
Relief Valve Pressure	2494.7 psi

Operating Specifications

Komatsu D31E-20 Crawler Dozer Operating Specifications specifications
Cooling System Fluid Capacity	5.90 gal (22.33 l)
Engine Oil Capacity	3.70 gal (14.00 l)
Final Drives Fluid Capacity	2.60 gal (9.84 l)
Fuel Capacity	30.40 gal (115.06 l)
Operating Weight	13,867.10 lbs (6,290.02 kg)

Transmission

Komatsu D31E-20 Crawler Dozer Transmission specifications
Max Speed - Forward	4.10 mph (6.60 kph)
Max Speed - Reverse	4.50 mph (7.24 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	Hydroshift

Undercarriage

Komatsu D31E-20 Crawler Dozer Undercarriage specifications
Ground Contact Area	1,923.60 cu in (31,522.23 cu cm)
Ground Pressure	6 psi
Number of Shoes per Side	37
Number of Track Rollers per Side	5
Standard Shoe Size	13.00 in (33.02 cm)
Track Gauge	4.80 ft (1.46 m)

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