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- Komatsu HD320-3 vs. Caterpillar 771D
Komatsu HD320-3 vs. Caterpillar 771D
3 reasons to buy Komatsu HD320-3:
Weight
Unloaded rear weight distribution | 52 % and 50.2 % | 3 % more or 1.8 % |
Loaded rear weight distribution | 68 % and 66.7 % | 2 % more or 1.3 % |
Gear box
Maximum speed | 62 km/h and 57 km/h | 8 % more or 5 km/h |
8 reasons to buy Caterpillar 771D:
Weight
Unloaded front weight distribution | 49.8 % and 48 % | 4 % more or 1.8 % |
Loaded front weight distribution | 33.3 % and 32 % | 4 % more or 1.3 % |
Sizes
Clearance | 600 mm and 458 mm | 24 % more or 142 mm |
Unloading ground clearance | 464 mm and 440 mm | 5 % more or 24 mm |
Operation
Fuel Capacity | 530 l. and 500 l. | 6 % more or 30 l. |
Motor
Full power | 380.3 kW and 302 kW | 21 % more or 78.3 kW |
Displacement | 18 l. and 14 l. | 22 % more or 4 l. |
Dump
Lifting capacity with top | 27.5 m3 and 24 m3 | 13 % more or 3.5 m3 |
Neutral reasons:
Weight
Laden weight | 57750 kg and 75700 kg |
Weight without load | 25750 kg and 34750 kg |
Sizes
Dimensional length | 7650 mm and 8200 mm |
Overall width | 3670 mm and 3659 mm |
Headroom | 3850 mm and 3690 mm |
Wheelbase | 3750 mm and 3713 mm |
Unloading height | 7520 mm and 7735 mm |
Operation
Tyre size | 18.00-25-32 and 18R33 (E-4) |
Motor
Model | NTA855 and 3408ETA |
Manufacturer | Cummins and Caterpillar |
Gear box
Forward gears number | 6 and 6 |
Dump
Nominal payload | 29029.9 kg and 40950 kg |
Images
Sizes
1. Dimensional length | 7650 mm | 1. Dimensional length | 8200 mm |
2. Overall width | 3670 mm | 2. Overall width | 3659 mm |
3. Headroom | 3850 mm | 3. Headroom | 3690 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 3713 mm |
5. Clearance | 458 mm | 5. Clearance | 600 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 7735 mm |
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 464 mm |