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- Komatsu HD320-3 vs. Caterpillar 773E
Komatsu HD320-3 vs. Caterpillar 773E
2 reasons to buy Komatsu HD320-3:
Weight
| Unloaded front weight distribution | 48 % and 47.3 % | 1 % more or 0.7 % |
| Loaded rear weight distribution | 68 % and 66.7 % | 2 % more or 1.3 % |
13 reasons to buy Caterpillar 773E:
Weight
| Unloaded rear weight distribution | 52.7 % and 52 % | 1 % more or 0.7 % |
| Loaded front weight distribution | 33.3 % and 32 % | 4 % more or 1.3 % |
Sizes
| Clearance | 667 mm and 458 mm | 31 % more or 209 mm |
| Unloading ground clearance | 667 mm and 440 mm | 34 % more or 227 mm |
Operation
| Fuel Capacity | 700.3 l. and 500 l. | 29 % more or 200.3 l. |
| Cooling system fluid volume | 151.4 l. and 133 l. | 12 % more or 18.4 l. |
| Engine oil volume | 68.1 l. and 25 l. | 63 % more or 43.1 l. |
| Differential/final drive fluid volume | 155.2 l. and 71 l. | 54 % more or 84.2 l. |
Motor
| Full power | 529.4 kW and 302 kW | 43 % more or 227.4 kW |
| Displacement | 27 l. and 14 l. | 48 % more or 13 l. |
Gear box
| Forward gears number | 7 and 6 | 14 % more or 1 |
| Maximum speed | 66.1 km/h and 62 km/h | 6 % more or 4.1 km/h |
Dump
| Lifting capacity with top | 35.2 m3 and 24 m3 | 32 % more or 11.2 m3 |
Neutral reasons:
Weight
| Weight without load | 25750 kg and 30163.9 kg |
| Laden weight | 57750 kg and 99336.7 kg |
Sizes
| Dimensional length | 7650 mm and 9207 mm |
| Overall width | 3670 mm and 4457 mm |
| Headroom | 3850 mm and 4424 mm |
| Wheelbase | 3750 mm and 4191 mm |
| Unloading height | 7520 mm and 8815 mm |
Operation
| Tyre size | 18.00-25-32 and 24.00-R35 (E4) |
Motor
| Manufacturer | Cummins and Caterpillar |
| Model | NTA855 and 3412E |
Gear box
| Reverse gears number | 1 and 1 |
Dump
| Nominal payload | 29029.9 kg and 54260 kg |
Images
Sizes
| 1. Dimensional length | 7650 mm | 1. Dimensional length | 9207 mm |
| 2. Overall width | 3670 mm | 2. Overall width | 4457 mm |
| 3. Headroom | 3850 mm | 3. Headroom | 4424 mm |
| 4. Wheelbase | 3750 mm | 4. Wheelbase | 4191 mm |
| 5. Clearance | 458 mm | 5. Clearance | 667 mm |
| 6. Unloading height | 7520 mm | 6. Unloading height | 8815 mm |
| 7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 667 mm |