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Construction Machinery. Tracked Tractor Komatsu D31E-20
Operation
| Working weight | 6290 kg |
| Fuel Capacity | 115 l. |
| Cooling system fluid volume | 22 l. |
| Engine oil volume | 14 l. |
| Power unit fluid volume | 13 l. |
| Final drive fluid volume | 9.5 l. |
Motor
| Displacement | 3.9 l. |
| Cylinders number | 4 |
| Aspiration | turbocharging |
| Manufacturer | Komatsu |
| Model | S4D102E |
| Effective power | 52.2 kW |
| Power measured at | 2350 rev / min |
Hydraulic system
| Type of pump | gear type pump |
| Overflow valve pressure | 17200 kPa |
Gear box
| Transmission type | Hydro-Gear switching |
| Forward gears number | 3 |
| Reverse gears number | 3 |
| Maximum forward speed | 6.5 km/h |
| Maximum reverse gear | 7.1 km/h |
Carrier
| Specific ground pressure | 41 kPa |
| Contact with ground area | 1.2 m2 |
| Standard shoe size | 330 mm |
| Track shoes number per side | 37 |
| Rolling bearings number on either side | 5 |
| Track width | 1450 mm |
Images
Carrier
| 7. Track width | 1450 mm |
| 8. Standard shoe size | 330 mm |