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- Caterpillar 773B vs. Komatsu HD680
Caterpillar 773B vs. Komatsu HD680
4 reasons to buy Caterpillar 773B:
Weight
Loaded front weight distribution | 33.3 % and 32 % | 4 % more or 1.3 % |
Sizes
Clearance | 591 mm and 565 mm | 4 % more or 26 mm |
Unloading ground clearance | 566 mm and 540 mm | 5 % more or 26 mm |
Gear box
Forward gears number | 7 and 6 | 14 % more or 1 |
6 reasons to buy Komatsu HD680:
Weight
Loaded rear weight distribution | 68 % and 66.7 % | 2 % more or 1.3 % |
Motor
Full power | 577.9 kW and 509 kW | 12 % more or 68.9 kW |
Displacement | 28 l. and 27 l. | 4 % more or 1 l. |
Gear box
Maximum speed | 65 km/h and 57.3 km/h | 12 % more or 7.7 km/h |
Dump
Brimmed lifting capacity | 32 m3 and 26 m3 | 19 % more or 6 m3 |
Lifting capacity with top | 44 m3 and 34.1 m3 | 22 % more or 9.9 m3 |
Neutral reasons:
Weight
Laden weight | 92534 kg and 114555 kg |
Weight without load | 39396 kg and 46500 kg |
Sizes
Dimensional length | 9270 mm and 9790 mm |
Overall width | 4700 mm and 4675 mm |
Headroom | 4230 mm and 4290 mm |
Wheelbase | 4190 mm and 4750 mm |
Unloading height | 8660 mm and 8720 mm |
Operation
Tyre size | 21.00-35 32PR (E-3) and 24.00-35-42PR |
Motor
Manufacturer | Caterpillar and Cummins |
Model | 3412 and HD680 |
Gear box
Reverse gears number | 1 and 1 |
Dump
Nominal payload | 53977.5 kg and 68000 kg |
Discharge angle | 54.5 degrees and 65 degrees |
Images
Sizes
1. Dimensional length | 9270 mm | 1. Dimensional length | 9790 mm |
2. Overall width | 4700 mm | 2. Overall width | 4675 mm |
3. Headroom | 4230 mm | 3. Headroom | 4290 mm |
4. Wheelbase | 4190 mm | 4. Wheelbase | 4750 mm |
5. Clearance | 591 mm | 5. Clearance | 565 mm |
6. Unloading height | 8660 mm | 6. Unloading height | 8720 mm |
7. Unloading ground clearance | 566 mm | 7. Unloading ground clearance | 540 mm |
Dump
8. Discharge angle | 54.5 degrees | 8. Discharge angle | 65 degrees |


