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Komatsu D31PX-21 KOMSTAT II Specs
Komatsu D31PX-21 KOMSTAT II crawler dozer specifications: type Crawler Dozer, horsepower 55.9 kW, operating weight 7652.1 kg, engine manufacturer Komatsu.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 55.9 kW | 75 HP |
| Operating Weight | 7652.1 kg | 16870 lbs |
| Engine Manufacturer | Komatsu | |
| Engine Model | SAA4D102E-2 | |
| Net Power | 55.9 kW | 75 HP |
| Aspiration | Turbocharged | |
| Number of Cylinders | 4 | |
| Displacement | 3932.9 cc | 240 cu in. |
| Transmission Type | Dual Power Shift | |
| Number of Forward Gears | 3 | |
| Number of Reverse Gears | 3 | |
| Max Speed Forward | 8.5 km/h | 5.3 mph |
| Max Speed Reverse | 8.5 km/h | 5.3 mph |
| Ground Pressure | 0.3 bar | 4.2 psi |
| Fuel Capacity | 165.0 l | 43.6 gal |
| Engine Oil Capacity | 12.5 l | 3.3 gal |
| Cooling System Capacity | 26.9 l | 7.1 gal |
| Hydraulic Capacity | 46.9 l | 12.4 gal |
| Final Drives Capacity | 3.4 l | 0.9 gal |
| Relief Valve Pressure | 206.2 bar | 2990 psi |
| Cab Height | 271.3 cm | 106.8 in. |
| Width Over Track | 228.6 cm | 90.0 in. |
| Length Overall | 402.3 cm | 158.4 in. |
| Track Gauge | 167.6 cm | 66.0 in. |
| Ground Clearance | 39.6 cm | 15.6 in. |
| Ground Contact Area | 66548.0 cm³ | 4061 cu in. |
| No of Shoes Per Side | 40 | |
| No of Track Rollers Per Side | 6 | |
| Shoe Size | 61.0 cm | 24 in. |
| Weight (Operating) | 7652.1 kg | 16870 lbs |
| Track Pitch | 165.1 cm | 65 in. |
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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