| Manufacturer | Komatsu |
|---|---|
| Model | D21A-3 |
| Type | Crawler Dozer |
| Horsepower | 37 HP (27,6 kW) |
| Operating Weight | 7561.9 lbs (3430,0 kg) |
| Engine Manufacturer | Komatsu |
| Engine Model | 4D92-1 |
| Gross Power | 37 HP (27,6 kW) |
| Number of Cylinders | 4 |
| Displacement | 159 cu in. (2605,5 cc) |
| Power Measured RPM | 2450 RPM |
| Transmission Type | Hydrostatic |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
| Max Speed Forward | 4.3 mph (6,9 km/h) |
| Max Speed Reverse | 4 mph (6,4 km/h) |
| Ground Pressure | 4.2 psi (0,3 bar) |
| Fuel Capacity | 15.9 gal (60,2 l) |
| Cooling System Capacity | 3.7 gal (14,0 l) |
| Cab Height | 82,8 in. (210,3 cm) |
| Width Over Track | 61,2 in. (155,4 cm) |
| Length Overall | 136,8 in. (347,5 cm) |
| Length without Blade | 97,2 in. (246,9 cm) |
| Length of Track on Ground | 66,0 in. (167,6 cm) |
| Track Gauge | 48,0 in. (121,9 cm) |
| Ground Clearance | 13,2 in. (33,5 cm) |
| No of Shoes Per Side | 37 |
| No of Track Rollers Per Side | 5 |
| Shoe Size | 11.9 in. (30,2 cm) |
| Weight (Operating) | 7561.9 lbs (3430,0 kg) |
| Track Pitch | 5.4 in. (13,7 cm) |
Komatsu D21A-3 Specs (Weight, Lift Capacity, Hp, Dimensions)
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