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- Caterpillar 775D vs. Komatsu HD320-3
Caterpillar 775D vs. Komatsu HD320-3
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
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. |
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. |
Motor
Displacement | 27 l. and 14 l. | 48 % more or 13 l. |
Full power | 540.6 kW and 302 kW | 44 % more or 238.6 kW |
Gear box
Maximum speed | 65.8 km/h and 62 km/h | 6 % more or 3.8 km/h |
Forward gears number | 7 and 6 | 14 % more or 1 |
Dump
Lifting capacity with top | 41.5 m3 and 24 m3 | 42 % more or 17.5 m3 |
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 % |
Neutral reasons:
Weight
Weight without load | 43227.4 kg and 25750 kg |
Laden weight | 106594.2 kg and 57750 kg |
Sizes
Headroom | 4410 mm and 3850 mm |
Wheelbase | 4190 mm and 3750 mm |
Unloading height | 8800 mm and 7520 mm |
Dimensional length | 9700 mm and 7650 mm |
Overall width | 3970 mm and 3670 mm |
Operation
Tyre size | 24.00-R35 and 18.00-25-32 |
Motor
Model | 3412ETA and NTA855 |
Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging |
Manufacturer | Caterpillar and Cummins |
Gear box
Reverse gears number | 1 and 1 |
Transmission type | powershift and Komatsu Torqueflow Transmission (with the flow of torque) of planetary type |
Dump
Nominal payload | 63366.9 kg and 29029.9 kg |
Discharge angle | 60 degrees and 61 degrees |
Images
Sizes
3. Headroom | 4410 mm | 3. Headroom | 3850 mm |
4. Wheelbase | 4190 mm | 4. Wheelbase | 3750 mm |
5. Clearance | 600 mm | 5. Clearance | 458 mm |
6. Unloading height | 8800 mm | 6. Unloading height | 7520 mm |
7. Unloading ground clearance | 660 mm | 7. Unloading ground clearance | 440 mm |
1. Dimensional length | 9700 mm | 1. Dimensional length | 7650 mm |
2. Overall width | 3970 mm | 2. Overall width | 3670 mm |
Dump
8. Discharge angle | 60 degrees | 8. Discharge angle | 61 degrees |


