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- Komatsu HD180-4 vs. Caterpillar 773B
Komatsu HD180-4 vs. Caterpillar 773B
3 reasons to buy Komatsu HD180-4:
Weight
| Unloaded rear weight distribution | 57.9 % and 52.7 % | 9 % more or 5.2 % |
| Loaded rear weight distribution | 75 % and 66.7 % | 11 % more or 8.3 % |
Dump
| Lifting time | 8 sec and 11.4 sec | 30 % less or 3.4 sec |
9 reasons to buy Caterpillar 773B:
Weight
| Unloaded front weight distribution | 47.3 % and 42.1 % | 11 % more or 5.2 % |
| Loaded front weight distribution | 33.3 % and 25 % | 25 % more or 8.3 % |
Sizes
| Clearance | 591 mm and 385 mm | 35 % more or 206 mm |
| Unloading ground clearance | 566 mm and 475 mm | 16 % more or 91 mm |
Motor
| Full power | 509 kW and 171.5 kW | 66 % more or 337.5 kW |
| Displacement | 27 l. and 12.2 l. | 55 % more or 14.8 l. |
Gear box
| Maximum speed | 57.3 km/h and 52 km/h | 9 % more or 5.3 km/h |
Dump
| Brimmed lifting capacity | 26 m3 and 10.7 m3 | 59 % more or 15.3 m3 |
| Lifting capacity with top | 34.1 m3 and 14.2 m3 | 58 % more or 19.9 m3 |
Neutral reasons:
Weight
| Weight without load | 16790 kg and 39396 kg |
| Laden weight | 34900 kg and 92534 kg |
Sizes
| Unloading height | 6100 mm and 8660 mm |
| Dimensional length | 7295 mm and 9270 mm |
| Overall width | 3000 mm and 4700 mm |
| Headroom | 3300 mm and 4230 mm |
| Wheelbase | 4000 mm and 4190 mm |
Operation
| Tyre size | Front 14.00-25-20PR, Rear 16.00-25-24PR and 21.00-35 32PR (E-3) |
Motor
| Manufacturer | Komatsu and Caterpillar |
| Model | Cummins NTO-6-B and 3412 |
Gear box
| Forward gears number | 7 and 7 |
| Reverse gears number | 1 and 1 |
Dump
| Nominal payload | 16329.3 kg and 53977.5 kg |
| Discharge angle | 65 degrees and 54.5 degrees |
Images
Sizes
| 1. Dimensional length | 7295 mm | 1. Dimensional length | 9270 mm |
| 2. Overall width | 3000 mm | 2. Overall width | 4700 mm |
| 3. Headroom | 3300 mm | 3. Headroom | 4230 mm |
| 4. Wheelbase | 4000 mm | 4. Wheelbase | 4190 mm |
| 5. Clearance | 385 mm | 5. Clearance | 591 mm |
| 6. Unloading height | 6100 mm | 6. Unloading height | 8660 mm |
| 7. Unloading ground clearance | 475 mm | 7. Unloading ground clearance | 566 mm |
Dump
| 8. Discharge angle | 65 degrees | 8. Discharge angle | 54.5 degrees |