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- Komatsu HD785-7 vs. Caterpillar 773B
Komatsu HD785-7 vs. Caterpillar 773B
13 reasons to buy Komatsu HD785-7:
Weight
Unloaded rear weight distribution | 53 % and 52.7 % | 1 % more or 0.3 % |
Loaded rear weight distribution | 68.5 % and 66.7 % | 3 % more or 1.8 % |
Sizes
Unloading ground clearance | 985 mm and 566 mm | 43 % more or 419 mm |
Operation
Fuel Capacity | 1308 l. and 700 l. | 46 % more or 608 l. |
Engine oil volume | 129 l. and 68 l. | 47 % more or 61 l. |
Motor
Full power | 894.8 kW and 509 kW | 43 % more or 385.8 kW |
Effective power | 878.4 kW and 485 kW | 45 % more or 393.4 kW |
Displacement | 30.5 l. and 27 l. | 11 % more or 3.5 l. |
Gear box
Reverse gears number | 2 and 1 | 50 % more or 1 |
Maximum speed | 65 km/h and 57.3 km/h | 12 % more or 7.7 km/h |
Dump
Lowering time | 14 sec and 14.2 sec | 1 % less or 0.2 sec |
Brimmed lifting capacity | 40 m3 and 26 m3 | 35 % more or 14 m3 |
Lifting capacity with top | 60 m3 and 34.1 m3 | 43 % more or 25.9 m3 |
5 reasons to buy Caterpillar 773B:
Weight
Unloaded front weight distribution | 47.3 % and 47 % | 1 % more or 0.3 % |
Loaded front weight distribution | 33.3 % and 31.5 % | 5 % more or 1.8 % |
Operation
Differential/final drive fluid volume | 155 l. and 137 l. | 12 % more or 18 l. |
Motor
Power measured at | 2000 rev / min and 1900 rev / min | 5 % more or 100 rev |
Dump
Lifting time | 11.4 sec and 13 sec | 12 % less or 1.6 sec |
Neutral reasons:
Weight
Weight without load | 72000 kg and 39396 kg |
Laden weight | 366000 kg and 92534 kg |
Sizes
Dimensional length | 10290 mm and 9270 mm |
Overall width | 5530 mm and 4700 mm |
Headroom | 5050 mm and 4230 mm |
Wheelbase | 4950 mm and 4190 mm |
Unloading height | 10080 mm and 8660 mm |
Operation
Operating voltage | 24 V and 24 V |
Tyre size | 27.00R49 and 21.00-35 32PR (E-3) |
Motor
Aspiration | turbocharging and turbocharging and cooling at the outlet |
Manufacturer | Komatsu and Caterpillar |
Model | SAA12V140E-3 and 3412 |
Gear box
Forward gears number | 7 and 7 |
Dump
Nominal payload | 91000 kg and 53977.5 kg |
Discharge angle | 48 degrees and 54.5 degrees |
Images
Sizes
1. Dimensional length | 10290 mm | 1. Dimensional length | 9270 mm |
2. Overall width | 5530 mm | 2. Overall width | 4700 mm |
3. Headroom | 5050 mm | 3. Headroom | 4230 mm |
4. Wheelbase | 4950 mm | 4. Wheelbase | 4190 mm |
6. Unloading height | 10080 mm | 6. Unloading height | 8660 mm |
7. Unloading ground clearance | 985 mm | 7. Unloading ground clearance | 566 mm |
Dump
8. Discharge angle | 48 degrees | 8. Discharge angle | 54.5 degrees |