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Construction Machinery. Tracked Tractor Komatsu D21A-3
Standard blade
| Width | 2300 mm |
| Height | 565 mm |
| Volume | 0.74 m3 |
| Cut depth | 320 mm |
Sizes
| Length without blade | 2465 mm |
| Length with blade | 3450 mm |
| Width between caterpillar tracks | 1540 mm |
| Height to cab upper part | 2085 mm |
| Caterpillar track length on ground level | 1675 mm |
| Clearance | 310 mm |
Operation
| Working weight | 3430 kg |
| Fuel Capacity | 60 l. |
| Cooling system fluid volume | 14 l. |
Motor
| Full power | 27.6 kW |
| Power measured at | 2450 rev / min |
| Displacement | 2.6 l. |
| Cylinders number | 4 |
| Manufacturer | Komatsu |
| Model | 4D92-1 |
Gear box
| Transmission type | HS |
| Forward gears number | 3 |
| Reverse gears number | 3 |
| Maximum forward speed | 6.9 km/h |
| Maximum reverse gear | 6.4 km/h |
Carrier
| Specific ground pressure | 28.4 kPa |
| Standard shoe size | 300 mm |
| Track shoes number per side | 37 |
| Rolling bearings number on either side | 5 |
| Caterpillar track pitch | 135 mm |
| Track width | 1190 mm |
Images
Sizes
| 1. Length with blade | 3450 mm |
| 2. Width between caterpillar tracks | 1540 mm |
| 3. Height to cab upper part | 2085 mm |
| 4. Caterpillar track length on ground level | 1675 mm |
| 5. Clearance | 310 mm |
| 6. Length without blade | 2465 mm |
Carrier
| 7. Track width | 1190 mm |
| 8. Standard shoe size | 300 mm |