Categories ↠ Crawler Dozers ↠ Komatsu D31E-20

Komatsu D31E-20 Crawler Dozer

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.

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General Specifications

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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