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- Komatsu HD320-3 vs. Caterpillar 789C
Komatsu HD320-3 vs. Caterpillar 789C
3 reasons to buy Komatsu HD320-3:
Weight
Unloaded front weight distribution | 48 % and 47 % | 2 % more or 1 % |
Loaded rear weight distribution | 68 % and 67 % | 1 % more or 1 % |
Gear box
Maximum speed | 62 km/h and 52.6 km/h | 15 % more or 9.4 km/h |
12 reasons to buy Caterpillar 789C:
Weight
Unloaded rear weight distribution | 53 % and 52 % | 2 % more or 1 % |
Loaded front weight distribution | 33 % and 32 % | 3 % more or 1 % |
Sizes
Unloading ground clearance | 1330 mm and 440 mm | 67 % more or 890 mm |
Clearance | 1173 mm and 458 mm | 61 % more or 715 mm |
Operation
Fuel Capacity | 3222 l. and 500 l. | 84 % more or 2722 l. |
Cooling system fluid volume | 663 l. and 133 l. | 80 % more or 530 l. |
Engine oil volume | 76 l. and 25 l. | 67 % more or 51 l. |
Differential/final drive fluid volume | 583 l. and 71 l. | 88 % more or 512 l. |
Hydraulic system fluid volume | 531 l. and 110 l. | 79 % more or 421 l. |
Motor
Displacement | 69 l. and 14 l. | 80 % more or 55 l. |
Full power | 1417 kW and 302 kW | 79 % more or 1115 kW |
Dump
Lifting capacity with top | 105 m3 and 24 m3 | 77 % more or 81 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 135670 kg |
Laden weight | 57750 kg and 317515 kg |
Sizes
Overall width | 3670 mm and 7674 mm |
Headroom | 3850 mm and 6182 mm |
Wheelbase | 3750 mm and 5700 mm |
Unloading height | 7520 mm and 11950 mm |
Dimensional length | 7650 mm and 12177 mm |
Operation
Tyre size | 18.00-25-32 and 37.00-R57(E4) |
Motor
Model | NTA855 and 3516B EUI |
Aspiration | turbocharging and turbocharging |
Manufacturer | Cummins and Caterpillar |
Gear box
Forward gears number | 6 and 6 |
Reverse gears number | 1 and 1 |
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and 6-planetary gear shift with direct injection |
Dump
Nominal payload | 29029.9 kg and 176901 kg |
Discharge angle | 61 degrees and 49.5 degrees |
Images
Sizes
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 1330 mm |
1. Dimensional length | 7650 mm | 1. Dimensional length | 12177 mm |
2. Overall width | 3670 mm | 2. Overall width | 7674 mm |
3. Headroom | 3850 mm | 3. Headroom | 6182 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 5700 mm |
5. Clearance | 458 mm | 5. Clearance | 1173 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 11950 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 49.5 degrees |