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- Komatsu HD320-3 vs. Komatsu HD785-7
Komatsu HD320-3 vs. Komatsu HD785-7
2 reasons to buy Komatsu HD320-3:
Weight
Unloaded front weight distribution | 48 % and 47 % | 2 % more or 1 % |
Loaded front weight distribution | 32 % and 31.5 % | 2 % more or 0.5 % |
13 reasons to buy Komatsu HD785-7:
Weight
Unloaded rear weight distribution | 53 % and 52 % | 2 % more or 1 % |
Loaded rear weight distribution | 68.5 % and 68 % | 1 % more or 0.5 % |
Sizes
Unloading ground clearance | 985 mm and 440 mm | 55 % more or 545 mm |
Operation
Fuel Capacity | 1308 l. and 500 l. | 62 % more or 808 l. |
Engine oil volume | 129 l. and 25 l. | 81 % more or 104 l. |
Differential/final drive fluid volume | 137 l. and 71 l. | 48 % more or 66 l. |
Hydraulic system fluid volume | 175 l. and 110 l. | 37 % more or 65 l. |
Motor
Full power | 894.8 kW and 302 kW | 66 % more or 592.8 kW |
Displacement | 30.5 l. and 14 l. | 54 % more or 16.5 l. |
Gear box
Forward gears number | 7 and 6 | 14 % more or 1 |
Reverse gears number | 2 and 1 | 50 % more or 1 |
Maximum speed | 65 km/h and 62 km/h | 5 % more or 3 km/h |
Dump
Lifting capacity with top | 60 m3 and 24 m3 | 60 % more or 36 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 72000 kg |
Laden weight | 57750 kg and 366000 kg |
Sizes
Dimensional length | 7650 mm and 10290 mm |
Overall width | 3670 mm and 5530 mm |
Headroom | 3850 mm and 5050 mm |
Wheelbase | 3750 mm and 4950 mm |
Unloading height | 7520 mm and 10080 mm |
Operation
Tyre size | 18.00-25-32 and 27.00R49 |
Motor
Aspiration | turbocharging and turbocharging |
Manufacturer | Cummins and Komatsu |
Model | NTA855 and SAA12V140E-3 |
Gear box
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and planetary gear |
Dump
Nominal payload | 29029.9 kg and 91000 kg |
Discharge angle | 61 degrees and 48 degrees |
Images
Sizes
3. Headroom | 3850 mm | 3. Headroom | 5050 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 4950 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 10080 mm |
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 985 mm |
1. Dimensional length | 7650 mm | 1. Dimensional length | 10290 mm |
2. Overall width | 3670 mm | 2. Overall width | 5530 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 48 degrees |