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Komatsu D21A-5 Specs
Komatsu D21A-5 crawler dozer specifications: type Crawler Dozer, horsepower 29.1 kW, operating weight 3620.0 kg, pump flow 53.4 LPM.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 29.1 kW | 39 HP |
| Operating Weight | 3620.0 kg | 7980.8 lbs |
| Pump Flow | 53.4 LPM | 14.1 GPM |
| Engine Manufacturer | Komatsu | |
| Engine Model | 4 D92-2P | |
| Gross Power | 29.1 kW | 39 HP |
| Number of Cylinders | 4 | |
| Displacement | 2941.5 cc | 179.5 cu in. |
| Max Torque | 147.1 N-m | 108.5 lbs/ft |
| Power Measured RPM | 2450 RPM | |
| Transmission Type | Hydrostatic | |
| Number of Forward Gears | 2 | |
| Number of Reverse Gears | 2 | |
| Max Speed Forward | 4.5 km/h | 2.8 mph |
| Max Speed Reverse | 5.5 km/h | 3.4 mph |
| Ground Pressure | 0.3 bar | 4.3 psi |
| Fuel Capacity | 60.2 l | 15.9 gal |
| Cooling System Capacity | 13.2 l | 3.5 gal |
| Hydraulic Pump Flow | 53.4 LPM | 14.1 GPM |
| Relief Valve Pressure | 152.0 bar | 2204.7 psi |
| Cab Height | 216.4 cm | 85.2 in. |
| Width Over Track | 161.5 cm | 63.6 in. |
| Length Overall | 341.4 cm | 134.4 in. |
| Length without Blade | 246.9 cm | 97.2 in. |
| Length of Track on Ground | 170.7 cm | 67.2 in. |
| Track Gauge | 131.1 cm | 51.6 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) | 3620.0 kg | 7980.8 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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