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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
| Unloading ground clearance | 660 mm and 440 mm | 33 % more or 220 mm |
| Clearance | 600 mm and 458 mm | 24 % more or 142 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
| 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
| Loaded rear weight distribution | 68 % and 66.7 % | 2 % more or 1.3 % |
| Unloaded front weight distribution | 48 % and 47.3 % | 1 % more or 0.7 % |
Neutral reasons:
Weight
| Weight without load | 43227.4 kg and 25750 kg |
| Laden weight | 106594.2 kg and 57750 kg |
Sizes
| Dimensional length | 9700 mm and 7650 mm |
| Overall width | 3970 mm and 3670 mm |
| Headroom | 4410 mm and 3850 mm |
| Wheelbase | 4190 mm and 3750 mm |
| Unloading height | 8800 mm and 7520 mm |
Operation
| Tyre size | 24.00-R35 and 18.00-25-32 |
Motor
| Manufacturer | Caterpillar and Cummins |
| Model | 3412ETA and NTA855 |
| Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging |
Gear box
| Transmission type | powershift and Komatsu Torqueflow Transmission (with the flow of torque) of planetary type |
| Reverse gears number | 1 and 1 |
Dump
| Nominal payload | 63366.9 kg and 29029.9 kg |
| Discharge angle | 60 degrees and 61 degrees |
Images
Sizes
| 1. Dimensional length | 9700 mm | 1. Dimensional length | 7650 mm |
| 2. Overall width | 3970 mm | 2. Overall width | 3670 mm |
| 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 |
Dump
| 8. Discharge angle | 60 degrees | 8. Discharge angle | 61 degrees |