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- Komatsu HD320-3 vs. Caterpillar 775D
Komatsu HD320-3 vs. Caterpillar 775D
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 775D:
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 | 600 mm and 458 mm | 24 % more or 142 mm |
Unloading ground clearance | 660 mm and 440 mm | 33 % more or 220 mm |
Operation
Engine oil volume | 68 l. and 25 l. | 63 % more or 43 l. |
Differential/final drive fluid volume | 155 l. and 71 l. | 54 % more or 84 l. |
Fuel Capacity | 700 l. and 500 l. | 29 % more or 200 l. |
Cooling system fluid volume | 151 l. and 133 l. | 12 % more or 18 l. |
Motor
Full power | 540.6 kW and 302 kW | 44 % more or 238.6 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 | 65.8 km/h and 62 km/h | 6 % more or 3.8 km/h |
Dump
Lifting capacity with top | 41.5 m3 and 24 m3 | 42 % more or 17.5 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 43227.4 kg |
Laden weight | 57750 kg and 106594.2 kg |
Sizes
Unloading height | 7520 mm and 8800 mm |
Dimensional length | 7650 mm and 9700 mm |
Overall width | 3670 mm and 3970 mm |
Headroom | 3850 mm and 4410 mm |
Wheelbase | 3750 mm and 4190 mm |
Operation
Tyre size | 18.00-25-32 and 24.00-R35 |
Motor
Aspiration | turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator) |
Manufacturer | Cummins and Caterpillar |
Model | NTA855 and 3412ETA |
Gear box
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and powershift |
Reverse gears number | 1 and 1 |
Dump
Discharge angle | 61 degrees and 60 degrees |
Nominal payload | 29029.9 kg and 63366.9 kg |
Images
Sizes
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 660 mm |
1. Dimensional length | 7650 mm | 1. Dimensional length | 9700 mm |
2. Overall width | 3670 mm | 2. Overall width | 3970 mm |
3. Headroom | 3850 mm | 3. Headroom | 4410 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 4190 mm |
5. Clearance | 458 mm | 5. Clearance | 600 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 8800 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 60 degrees |