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- Komatsu HD405-6 vs. Caterpillar 777F
Komatsu HD405-6 vs. Caterpillar 777F
4 reasons to buy Komatsu HD405-6:
Weight
Loaded rear weight distribution | 68 % and 67 % | 1 % more or 1 % |
Unloaded front weight distribution | 48 % and 45 % | 6 % more or 3 % |
Gear box
Maximum speed | 70 km/h and 64.5 km/h | 8 % more or 5.5 km/h |
Dump
Lifting time | 10 sec and 15 sec | 33 % less or 5 sec |
14 reasons to buy Caterpillar 777F:
Weight
Unloaded rear weight distribution | 55 % and 52 % | 5 % more or 3 % |
Loaded front weight distribution | 33 % and 32 % | 3 % more or 1 % |
Sizes
Unloading ground clearance | 965 mm and 630 mm | 35 % more or 335 mm |
Operation
Hydraulic system fluid volume | 189 l. and 129 l. | 32 % more or 60 l. |
Fuel Capacity | 1136 l. and 500 l. | 56 % more or 636 l. |
Cooling system fluid volume | 232 l. and 89 l. | 62 % more or 143 l. |
Engine oil volume | 504 l. and 52 l. | 90 % more or 452 l. |
Differential/final drive fluid volume | 264 l. and 58 l. | 78 % more or 206 l. |
Motor
Displacement | 32.1 l. and 15.2 l. | 53 % more or 16.9 l. |
Cylinders number | 12 and 6 | 50 % more or 6 |
Full power | 758 kW and 378.8 kW | 50 % more or 379.2 kW |
Effective power | 700 kW and 363.9 kW | 48 % more or 336.1 kW |
Dump
Brimmed lifting capacity | 41.9 m3 and 20 m3 | 52 % more or 21.9 m3 |
Lifting capacity with top | 60.2 m3 and 27.3 m3 | 55 % more or 32.9 m3 |
Neutral reasons:
Weight
Weight without load | 34080 kg and 73976.4 kg |
Laden weight | 74155 kg and 163293 kg |
Sizes
Dimensional length | 8700 mm and 10535 mm |
Overall width | 4525 mm and 6494 mm |
Headroom | 4220 mm and 5170 mm |
Wheelbase | 3750 mm and 4560 mm |
Unloading height | 7885 mm and 10325 mm |
Operation
Tyre size | 18.00R33 and 27.00R49(E4) |
Motor
Aspiration | turbocharging and turbocharging |
Manufacturer | Komatsu and Caterpillar |
Model | SAA6D140E-3 and C32 ACERT |
Gear box
Transmission type | automatic planetary gear and 7-planetary gearbox with switching speeds under load |
Forward gears number | 7 and 7 |
Reverse gears number | 1 and 1 |
Dump
Discharge angle | 48 degrees and 49.4 degrees |
Nominal payload | 40823.3 kg and 90718.5 kg |
Images
Sizes
1. Dimensional length | 8700 mm | 1. Dimensional length | 10535 mm |
2. Overall width | 4525 mm | 2. Overall width | 6494 mm |
3. Headroom | 4220 mm | 3. Headroom | 5170 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 4560 mm |
6. Unloading height | 7885 mm | 6. Unloading height | 10325 mm |
7. Unloading ground clearance | 630 mm | 7. Unloading ground clearance | 965 mm |
Dump
8. Discharge angle | 48 degrees | 8. Discharge angle | 49.4 degrees |