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- Komatsu HD785-7 vs. Caterpillar 777F
Komatsu HD785-7 vs. Caterpillar 777F
10 reasons to buy Komatsu HD785-7:
Weight
Unloaded front weight distribution | 47 % and 45 % | 4 % more or 2 % |
Loaded rear weight distribution | 68.5 % and 67 % | 2 % more or 1.5 % |
Sizes
Unloading ground clearance | 985 mm and 965 mm | 2 % more or 20 mm |
Operation
Fuel Capacity | 1308 l. and 1136 l. | 13 % more or 172 l. |
Motor
Maximum torque | 5080.3 Nm and 4715.5 Nm | 7 % more or 364.8 Nm |
Effective power | 878.4 kW and 700 kW | 20 % more or 178.4 kW |
Full power | 894.8 kW and 758 kW | 15 % more or 136.8 kW |
Gear box
Reverse gears number | 2 and 1 | 50 % more or 1 |
Maximum speed | 65 km/h and 64.5 km/h | 1 % more or 0.5 km/h |
Dump
Lifting time | 13 sec and 15 sec | 13 % less or 2 sec |
10 reasons to buy Caterpillar 777F:
Weight
Unloaded rear weight distribution | 55 % and 53 % | 4 % more or 2 % |
Loaded front weight distribution | 33 % and 31.5 % | 5 % more or 1.5 % |
Operation
Engine oil volume | 504 l. and 129 l. | 74 % more or 375 l. |
Differential/final drive fluid volume | 264 l. and 137 l. | 48 % more or 127 l. |
Brake / lift system fluid volume | 504 l. and 36 l. | 93 % more or 468 l. |
Hydraulic system fluid volume | 189 l. and 175 l. | 7 % more or 14 l. |
Motor
Displacement | 32.1 l. and 30.5 l. | 5 % more or 1.6 l. |
Dump
Brimmed lifting capacity | 41.9 m3 and 40 m3 | 5 % more or 1.9 m3 |
Lifting capacity with top | 60.2 m3 and 60 m3 | 0 % more or 0.2 m3 |
Lowering time | 13 sec and 14 sec | 7 % less or 1 sec |
Neutral reasons:
Weight
Weight without load | 72000 kg and 73976.4 kg |
Laden weight | 366000 kg and 163293 kg |
Sizes
Dimensional length | 10290 mm and 10535 mm |
Unloading height | 10080 mm and 10325 mm |
Overall width | 5530 mm and 6494 mm |
Headroom | 5050 mm and 5170 mm |
Wheelbase | 4950 mm and 4560 mm |
Operation
Tyre size | 27.00R49 and 27.00R49(E4) |
Motor
Cylinders number | 12 and 12 |
Manufacturer | Komatsu and Caterpillar |
Aspiration | turbocharging and turbocharging |
Model | SAA12V140E-3 and C32 ACERT |
Gear box
Transmission type | planetary gear and 7-planetary gearbox with switching speeds under load |
Forward gears number | 7 and 7 |
Dump
Nominal payload | 91000 kg and 90718.5 kg |
Discharge angle | 48 degrees and 49.4 degrees |
Images
Sizes
1. Dimensional length | 10290 mm | 1. Dimensional length | 10535 mm |
2. Overall width | 5530 mm | 2. Overall width | 6494 mm |
3. Headroom | 5050 mm | 3. Headroom | 5170 mm |
4. Wheelbase | 4950 mm | 4. Wheelbase | 4560 mm |
6. Unloading height | 10080 mm | 6. Unloading height | 10325 mm |
7. Unloading ground clearance | 985 mm | 7. Unloading ground clearance | 965 mm |
Dump
8. Discharge angle | 48 degrees | 8. Discharge angle | 49.4 degrees |