- Home/
- Comparison/
- Mining Dump Truck/
- Komatsu HD320-3 vs. Komatsu HD785-1
Komatsu HD320-3 vs. Komatsu HD785-1
2 reasons to buy Komatsu HD320-3:
Weight
Loaded rear weight distribution | 68 % and 67.7 % | 0 % more or 0.3 % |
Unloaded rear weight distribution | 52 % and 51.8 % | 0 % more or 0.2 % |
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
Clearance | 780 mm and 458 mm | 41 % more or 322 mm |
Unloading ground clearance | 900 mm and 440 mm | 51 % more or 460 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
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 |
Unloading height | 7520 mm and 9000 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
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 |
Reverse gears number | 1 and 1 |
Dump
Nominal payload | 29029.9 kg and 78000 kg |
Discharge angle | 61 degrees and 64 degrees |
Images
Sizes
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 |
1. Dimensional length | 7650 mm | 1. Dimensional length | 10130 mm |
2. Overall width | 3670 mm | 2. Overall width | 5000 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 64 degrees |