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Komatsu D31E-20 Specs
Komatsu D31E-20 crawler dozer specifications: type Crawler Dozer, horsepower 52.2 kW, operating weight 6290.0 kg, engine manufacturer Komatsu.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 52.2 kW | 70 HP |
| Operating Weight | 6290.0 kg | 13867.1 lbs |
| Engine Manufacturer | Komatsu | |
| Engine Model | S4D102E | |
| Net Power | 52.2 kW | 70 HP |
| Aspiration | Turbocharged | |
| Number of Cylinders | 4 | |
| Displacement | 3921.4 cc | 239.3 cu in. |
| Power Measured RPM | 2350 RPM | |
| Transmission Type | Hydrostatic | |
| Number of Forward Gears | 3 | |
| Number of Reverse Gears | 3 | |
| Max Speed Forward | 6.6 km/h | 4.1 mph |
| Max Speed Reverse | 7.2 km/h | 4.5 mph |
| Ground Pressure | 0.4 bar | 6 psi |
| Fuel Capacity | 115.1 l | 30.4 gal |
| Engine Oil Capacity | 14.0 l | 3.7 gal |
| Cooling System Capacity | 22.3 l | 5.9 gal |
| Final Drives Capacity | 9.8 l | 2.6 gal |
| Pump type | Gear type | |
| Relief Valve Pressure | 172.0 bar | 2494.7 psi |
| Track Gauge | 146.3 cm | 57.6 in. |
| Ground Contact Area | 31522.2 cm³ | 1923.6 cu in. |
| No of Shoes Per Side | 37 | |
| No of Track Rollers Per Side | 5 | |
| Shoe Size | 33.0 cm | 13 in. |
| Weight (Operating) | 6290.0 kg | 13867.1 lbs |
Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.
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