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SPECS / CRAWLER DOZERS
Komatsu D21A-7 Specs
Komatsu D21A-7 crawler dozer specifications: type Crawler Dozer, horsepower 29.8 kW, operating weight 3600.0 kg, engine manufacturer Komatsu.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 29.8 kW | 40 HP |
| Operating Weight | 3600.0 kg | 7936.7 lbs |
| Engine Manufacturer | Komatsu | |
| Engine Model | 4 D95S | |
| Gross Power | 29.8 kW | 40 HP |
| Number of Cylinders | 4 | |
| Displacement | 2690.8 cc | 164.2 cu in. |
| Power Measured RPM | 2450 RPM | |
| Transmission Type | Hydrostatic | |
| Number of Forward Gears | 2 | |
| Number of Reverse Gears | 2 | |
| Cab Height | 249.9 cm | 98.4 in. |
| Width Over Track | 161.5 cm | 63.6 in. |
| Length Overall | 341.4 cm | 134.4 in. |
| Length without Blade | 256.0 cm | 100.8 in. |
| Length of Track on Ground | 170.7 cm | 67.2 in. |
| Track Gauge | 131.1 cm | 51.6 in. |
| Ground Clearance | 30.5 cm | 12.0 in. |
| No of Track Rollers Per Side | 5 | |
| Shoe Size | 30.2 cm | 11.9 in. |
| Weight (Operating) | 3600.0 kg | 7936.7 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.
