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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
Manufacturer | Komatsu |
Model | 4D94LE-2 |
Full power | 32.2 kW |
Effective power | 29.5 kW |
Displacement | 3.1 l. |
Aspiration | natural aspiration |
Cylinders number | 4 |
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
1. Length with blade | 3365 mm |
2. Width between caterpillar tracks | 1310 mm |
3. Height to cab upper part | 2450 mm |
Carrier
8. Standard shoe size | 300 mm |