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- Komatsu HD320-3 vs. Komatsu HD785-1
Komatsu HD320-3 vs. Komatsu HD785-1
2 reasons to buy Komatsu HD320-3:
Weight
| Unloaded rear weight distribution | 52 % and 51.8 % | 0 % more or 0.2 % |
| Loaded rear weight distribution | 68 % and 67.7 % | 0 % more or 0.3 % |
13 reasons to buy Komatsu HD785-1:
Weight
| Unloaded front weight distribution | 48.2 % and 48 % | 0 % more or 0.2 % |
| Loaded front weight distribution | 32.3 % and 32 % | 1 % more or 0.3 % |
Sizes
| Unloading ground clearance | 900 mm and 440 mm | 51 % more or 460 mm |
| Clearance | 780 mm and 458 mm | 41 % more or 322 mm |
Operation
| Fuel Capacity | 1240 l. and 500 l. | 60 % more or 740 l. |
| Cooling system fluid volume | 240 l. and 133 l. | 45 % more or 107 l. |
| Engine oil volume | 150 l. and 25 l. | 83 % more or 125 l. |
| Differential/final drive fluid volume | 224 l. and 71 l. | 68 % more or 153 l. |
| Hydraulic system fluid volume | 460 l. and 110 l. | 76 % more or 350 l. |
Motor
| Full power | 671.1 kW and 302 kW | 55 % more or 369.1 kW |
| Displacement | 37.8 l. and 14 l. | 63 % more or 23.8 l. |
Gear box
| Maximum speed | 70 km/h and 62 km/h | 11 % more or 8 km/h |
Dump
| Lifting capacity with top | 51.8 m3 and 24 m3 | 54 % more or 27.8 m3 |
Neutral reasons:
Weight
| Weight without load | 25750 kg and 51500 kg |
| Laden weight | 57750 kg and 129555 kg |
Sizes
| Unloading height | 7520 mm and 9000 mm |
| Dimensional length | 7650 mm and 10130 mm |
| Overall width | 3670 mm and 5000 mm |
| Headroom | 3850 mm and 4870 mm |
| Wheelbase | 3750 mm and 4750 mm |
Operation
| Tyre size | 18.00-25-32 and 24.00-49-42PR |
Motor
| Manufacturer | Cummins and Cummins |
| Model | NTA855 and KT-2300 |
| Aspiration | turbocharging and turbocharging |
Gear box
| Reverse gears number | 1 and 1 |
| Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and Komatsu Torqueflow Transmission (with the flow of torque) of planetary type |
| Forward gears number | 6 and 6 |
Dump
| Nominal payload | 29029.9 kg and 78000 kg |
| Discharge angle | 61 degrees and 64 degrees |
Images
Sizes
| 1. Dimensional length | 7650 mm | 1. Dimensional length | 10130 mm |
| 2. Overall width | 3670 mm | 2. Overall width | 5000 mm |
| 3. Headroom | 3850 mm | 3. Headroom | 4870 mm |
| 4. Wheelbase | 3750 mm | 4. Wheelbase | 4750 mm |
| 5. Clearance | 458 mm | 5. Clearance | 780 mm |
| 6. Unloading height | 7520 mm | 6. Unloading height | 9000 mm |
| 7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 900 mm |
Dump
| 8. Discharge angle | 61 degrees | 8. Discharge angle | 64 degrees |