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Komatsu D21A-3 Specs
Komatsu D21A-3 crawler dozer specifications: type Crawler Dozer, horsepower 27.6 kW, operating weight 3430.0 kg, engine manufacturer Komatsu.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 27.6 kW | 37 HP |
| Operating Weight | 3430.0 kg | 7561.9 lbs |
| Engine Manufacturer | Komatsu | |
| Engine Model | 4 D92-1 | |
| Gross Power | 27.6 kW | 37 HP |
| Number of Cylinders | 4 | |
| Displacement | 2605.5 cc | 159 cu in. |
| Power Measured RPM | 2450 RPM | |
| Transmission Type | Hydrostatic | |
| Number of Forward Gears | 3 | |
| Number of Reverse Gears | 3 | |
| Max Speed Forward | 6.9 km/h | 4.3 mph |
| Max Speed Reverse | 6.4 km/h | 4 mph |
| Ground Pressure | 0.3 bar | 4.2 psi |
| Fuel Capacity | 60.2 l | 15.9 gal |
| Cooling System Capacity | 14.0 l | 3.7 gal |
| Cab Height | 210.3 cm | 82.8 in. |
| Width Over Track | 155.4 cm | 61.2 in. |
| Length Overall | 347.5 cm | 136.8 in. |
| Length without Blade | 246.9 cm | 97.2 in. |
| Length of Track on Ground | 167.6 cm | 66.0 in. |
| Track Gauge | 121.9 cm | 48.0 in. |
| Ground Clearance | 33.5 cm | 13.2 in. |
| No of Shoes Per Side | 37 | |
| No of Track Rollers Per Side | 5 | |
| Shoe Size | 30.2 cm | 11.9 in. |
| Weight (Operating) | 3430.0 kg | 7561.9 lbs |
| Track Pitch | 13.7 cm | 5.4 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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