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- Komatsu HD320-3 vs. Komatsu HD680
Komatsu HD320-3 vs. Komatsu HD680
6 reasons to buy Komatsu HD680:
Sizes
Clearance | 565 mm and 458 mm | 19 % more or 107 mm |
Unloading ground clearance | 540 mm and 440 mm | 19 % more or 100 mm |
Motor
Full power | 577.9 kW and 302 kW | 48 % more or 275.9 kW |
Displacement | 28 l. and 14 l. | 50 % more or 14 l. |
Gear box
Maximum speed | 65 km/h and 62 km/h | 5 % more or 3 km/h |
Dump
Lifting capacity with top | 44 m3 and 24 m3 | 45 % more or 20 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 46500 kg |
Laden weight | 57750 kg and 114555 kg |
Loaded front weight distribution | 32 % and 32 % |
Loaded rear weight distribution | 68 % and 68 % |
Sizes
Dimensional length | 7650 mm and 9790 mm |
Overall width | 3670 mm and 4675 mm |
Headroom | 3850 mm and 4290 mm |
Wheelbase | 3750 mm and 4750 mm |
Unloading height | 7520 mm and 8720 mm |
Operation
Tyre size | 18.00-25-32 and 24.00-35-42PR |
Motor
Manufacturer | Cummins and Cummins |
Model | NTA855 and HD680 |
Gear box
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and hydraulic gear reducer and TORQFLOW |
Forward gears number | 6 and 6 |
Reverse gears number | 1 and 1 |
Dump
Nominal payload | 29029.9 kg and 68000 kg |
Discharge angle | 61 degrees and 65 degrees |
Images
Sizes
1. Dimensional length | 7650 mm | 1. Dimensional length | 9790 mm |
2. Overall width | 3670 mm | 2. Overall width | 4675 mm |
3. Headroom | 3850 mm | 3. Headroom | 4290 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 4750 mm |
5. Clearance | 458 mm | 5. Clearance | 565 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 8720 mm |
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 540 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 65 degrees |