- 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
| 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
| Pump type | gear type
|
| Relief Valve Pressure | 2494.7 psi
|
Operating 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
| 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
| 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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