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Construction Machinery. Tracked Tractor Komatsu D21A-8
Standard blade
| Width | 2170 mm |
| Height | 820 mm |
| Blade angle in both directions | 25 degrees |
| Cut depth | 355 mm |
Sizes
| Length with blade | 3365 mm |
| Width between caterpillar tracks | 1310 mm |
| Height to cab upper part | 2450 mm |
Operation
| Working weight | 3940 kg |
| Fuel Capacity | 60 l. |
| Cooling system fluid volume | 10 l. |
| Engine oil volume | 6.6 l. |
| Hydraulic system fluid volume | 21 l. |
| Final drive fluid volume | 6 l. |
Motor
| Full power | 32.2 kW |
| Effective power | 29.5 kW |
| Displacement | 3.1 l. |
| Aspiration | natural aspiration |
| Cylinders number | 4 |
| Manufacturer | Komatsu |
| Model | 4D94LE-2 |
Gear box
| Transmission type | Komatsu transmission Hydro-Gear switching |
| Forward gears number | 2 |
| Reverse gears number | 2 |
| Maximum forward speed | 4.4 km/h |
| Maximum reverse gear | 5.6 km/h |
Carrier
| Specific ground pressure | 32.9 kPa |
| Contact with ground area | 1 m2 |
| Standard shoe size | 300 mm |
| Track shoes number per side | 37 |
| Rolling bearings number on either side | 5 |
Images
Sizes
| 3. Height to cab upper part | 2450 mm |
| 1. Length with blade | 3365 mm |
| 2. Width between caterpillar tracks | 1310 mm |
Carrier
| 8. Standard shoe size | 300 mm |