| Manufacturer | Komatsu |
|---|---|
| Model | D21A-8 |
| Type | Crawler Dozer |
| Horsepower | 43.1 HP (32,1 kW) |
| Operating Weight | 8690 lbs (3941,7 kg) |
| Engine Manufacturer | Komatsu |
| Engine Model | 4D94LE-2 |
| Gross Power | 43.1 HP (32,1 kW) |
| Net Power | 40 HP (29,8 kW) |
| Aspiration | Naturally |
| Number of Cylinders | 4 |
| Displacement | 186 cu in. (3048,0 cc) |
| Transmission Type | Hydroshift |
| Number of Forward Gears | 2 |
| Number of Reverse Gears | 2 |
| Max Speed Forward | 2.7 mph (4,3 km/h) |
| Max Speed Reverse | 3.5 mph (5,6 km/h) |
| Ground Pressure | 4.8 psi (0,3 bar) |
| Fuel Capacity | 15.9 gal (60,2 l) |
| Engine Oil Capacity | 1.7 gal (6,4 l) |
| Cooling System Capacity | 2.6 gal (9,8 l) |
| Hydraulic Capacity | 5.5 gal (20,8 l) |
| Final Drives Capacity | 1.6 gal (6,1 l) |
| Cab Height | 97,2 in. (246,9 cm) |
| Width Over Track | 52,8 in. (134,1 cm) |
| Length Overall | 133,2 in. (338,3 cm) |
| Ground Contact Area | 1570 cu in. (25727,7 cm³) |
| No of Shoes Per Side | 37 |
| No of Track Rollers Per Side | 5 |
| Shoe Size | 11.8 in. (30,0 cm) |
| Weight (Operating) | 8690 lbs (3941,7 kg) |
Komatsu D21A-8 Specs (Weight, Lift Capacity, Hp, Dimensions)
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