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- Komatsu HD320-3 vs. Caterpillar 770
Komatsu HD320-3 vs. Caterpillar 770
4 reasons to buy Komatsu HD320-3:
Weight
Loaded rear weight distribution | 68 % and 66 % | 3 % more or 2 % |
Operation
Hydraulic system fluid volume | 110 l. and 95 l. | 14 % more or 15 l. |
Cooling system fluid volume | 133 l. and 114 l. | 14 % more or 19 l. |
Engine oil volume | 25 l. and 15 l. | 40 % more or 10 l. |
10 reasons to buy Caterpillar 770:
Weight
Loaded front weight distribution | 34 % and 32 % | 6 % more or 2 % |
Sizes
Clearance | 680 mm and 458 mm | 33 % more or 222 mm |
Unloading ground clearance | 498 mm and 440 mm | 12 % more or 58 mm |
Operation
Differential/final drive fluid volume | 159 l. and 71 l. | 55 % more or 88 l. |
Fuel Capacity | 530 l. and 500 l. | 6 % more or 30 l. |
Motor
Full power | 381 kW and 302 kW | 21 % more or 79 kW |
Displacement | 15.2 l. and 14 l. | 8 % more or 1.2 l. |
Gear box
Forward gears number | 7 and 6 | 14 % more or 1 |
Maximum speed | 74.8 km/h and 62 km/h | 17 % more or 12.8 km/h |
Dump
Lifting capacity with top | 25.1 m3 and 24 m3 | 4 % more or 1.1 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 34242 kg |
Laden weight | 57750 kg and 71214 kg |
Unloaded front weight distribution | 48 % and 48 % |
Unloaded rear weight distribution | 52 % and 52 % |
Sizes
Dimensional length | 7650 mm and 8172 mm |
Overall width | 3670 mm and 4751 mm |
Headroom | 3850 mm and 3120 mm |
Wheelbase | 3750 mm and 3960 mm |
Unloading height | 7520 mm and 8280 mm |
Operation
Tyre size | 18.00-25-32 and 18.00R33(E4) |
Motor
Manufacturer | Cummins and Caterpillar |
Model | NTA855 and C15 ACERT |
Aspiration | turbocharging and turbocharging |
Gear box
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and powershift |
Reverse gears number | 1 and 1 |
Dump
Nominal payload | 29029.9 kg and 36287.4 kg |
Discharge angle | 61 degrees and 47.5 degrees |
Images
Sizes
1. Dimensional length | 7650 mm | 1. Dimensional length | 8172 mm |
2. Overall width | 3670 mm | 2. Overall width | 4751 mm |
3. Headroom | 3850 mm | 3. Headroom | 3120 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 3960 mm |
5. Clearance | 458 mm | 5. Clearance | 680 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 8280 mm |
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 498 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 47.5 degrees |