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- Komatsu D31E-20 vs. Caterpillar D8T
Komatsu D31E-20 vs. Caterpillar D8T
12 reasons to buy Caterpillar D8T:
Operation
Final drive fluid volume | 12.5 l. and 9.5 l. | 24 % more or 3.0 l. |
Engine oil volume | 38 l. and 14 l. | 63 % more or 24 l. |
Power unit fluid volume | 155 l. and 13 l. | 92 % more or 142 l. |
Fuel Capacity | 643 l. and 115 l. | 82 % more or 528 l. |
Cooling system fluid volume | 77 l. and 22 l. | 71 % more or 55 l. |
Motor
Effective power | 231 kW and 52.2 kW | 77 % more or 178.8 kW |
Displacement | 15.2 l. and 3.9 l. | 74 % more or 11.3 l. |
Gear box
Maximum forward speed | 10.6 km/h and 6.5 km/h | 39 % more or 4.1 km/h |
Maximum reverse gear | 14.2 km/h and 7.1 km/h | 50 % more or 7.1 km/h |
Carrier
Contact with ground area | 3.6 m2 and 1.2 m2 | 67 % more or 2.4 m2 |
Track shoes number per side | 44 and 37 | 16 % more or 7 |
Rolling bearings number on either side | 8 and 5 | 37 % more or 3 |
Neutral reasons:
Operation
Working weight | 6290 kg and 39795 kg |
Motor
Model | S4D102E and C15 ACERT |
Manufacturer | Komatsu and Caterpillar |
Hydraulic system
Type of pump | gear type pump and variable displacement piston pump |
Overflow valve pressure | 17200 kPa and 39200 kPa |
Gear box
Transmission type | Hydro-Gear switching and Hydro-Static Transmission |
Forward gears number | 3 and 3 |
Reverse gears number | 3 and 3 |
Carrier
Track width | 1450 mm and 2082 mm |
Standard shoe size | 330 mm and 610 mm |
Images
Carrier
7. Track width | 1450 mm | 7. Track width | 2082 mm |
8. Standard shoe size | 330 mm | 8. Standard shoe size | 610 mm |