Komatsu D21A-8 Crawler Dozer
Crawler Dozer // Komatsu
Komatsu D21A-8 Dimensions
| Height - Top of Cab: | 8.1 ft (2 m) |
| Length w/ Blade: | 11.1 ft (3 m) |
| Track Gauge: | 4.4 ft in (11 cm) |
Komatsu D21A-8 Engine
| Aspiration: | naturally aspirated |
| Displacement: | 186 cu in (0 m) |
| Engine Model: | 4D94LE-2 |
| Gross Power: | 43.1 hp (32 kw) |
| Make: | Komatsu |
| Max Torque: | 4D94LE-2 |
| Net Power: | 40 hp (30 kw) |
| Number of Cylinders: | 4.0 |
Komatsu D21A-8 Hydraulic System
Komatsu D21A-8 Operating Specifications
| Cooling System Fluid Capacity: | 2.6 gal (10 l) |
| Engine Oil Capacity: | 1.7 gal (6 l) |
| Final Drives Fluid Capacity: | 1.6 gal (6 l) |
| Fuel Capacity: | 15.9 gal (60 l) |
| Hydraulic Fluid Capacity: | 5.5 gal (21 l) |
| Operating Weight: | 8690 lbs (3,942 kg) |
Komatsu D21A-8 Standard Blade
| Capacity: | 25 ° |
| Height: | 2.7 in (7 cm) |
| Width: | 7.1 ft (2 m) |
Komatsu D21A-8 Transmission
| Max Speed - Forward: | 2.7 mph (4 kph) |
| Max Speed - Reverse: | 3.5 mph (6 kph) |
| Number of Forward Gears: | 2.0 |
| Number of Reverse Gears: | 2.0 |
| Transmission Type: | Komatsu HYDROSHIFT transmission |
Komatsu D21A-8 Undercarriage
| Ground Contact Area: | 1570 cu in (0 m) |
| Ground Pressure: | 4.8 psi |
| Number of Shoes per Side: | 37.0 |
| Number of Track Rollers per Side: | 5.0 |
| Standard Shoe Size: | 11.8 in (30 cm) |
