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- Komatsu HD405-7 vs. Caterpillar 773F
Komatsu HD405-7 vs. Caterpillar 773F
4 reasons to buy Komatsu HD405-7:
Weight
Unloaded rear weight distribution | 49.3 % and 49 % | 1 % more or 0.3 % |
Loaded rear weight distribution | 67.2 % and 65 % | 3 % more or 2.2 % |
Operation
Hydraulic system fluid volume | 129 l. and 72 l. | 44 % more or 57 l. |
Gear box
Maximum speed | 70 km/h and 67.5 km/h | 4 % more or 2.5 km/h |
12 reasons to buy Caterpillar 773F:
Weight
Loaded front weight distribution | 35 % and 32.8 % | 6 % more or 2.2 % |
Unloaded front weight distribution | 51 % and 50.7 % | 1 % more or 0.3 % |
Sizes
Unloading ground clearance | 626 mm and 480 mm | 23 % more or 146 mm |
Operation
Fuel Capacity | 700 l. and 484 l. | 31 % more or 216 l. |
Engine oil volume | 72 l. and 50 l. | 31 % more or 22 l. |
Differential/final drive fluid volume | 155 l. and 75 l. | 52 % more or 80 l. |
Motor
Full power | 552 kW and 386 kW | 30 % more or 166 kW |
Effective power | 524 kW and 371 kW | 29 % more or 153 kW |
Displacement | 27 l. and 15.2 l. | 44 % more or 11.8 l. |
Cylinders number | 12 and 6 | 50 % more or 6 |
Dump
Brimmed lifting capacity | 25.9 m3 and 20 m3 | 23 % more or 5.9 m3 |
Lifting capacity with top | 35.1 m3 and 27.3 m3 | 22 % more or 7.8 m3 |
Neutral reasons:
Weight
Weight without load | 34400 kg and 44594 kg |
Laden weight | 74480 kg and 100698 kg |
Sizes
Overall width | 3657.6 mm and 5425 mm |
Headroom | 4150 mm and 4435 mm |
Wheelbase | 3750 mm and 4215 mm |
Unloading height | 7925 mm and 9261 mm |
Dimensional length | 8465 mm and 10334 mm |
Motor
Manufacturer | Komatsu and Caterpillar |
Aspiration | turbocharging and turbocharging |
Model | SAA6D140E-5 and C27 ACERT |
Gear box
Transmission type | automatic planetary gear and gear type pump |
Forward gears number | 7 and 7 |
Reverse gears number | 1 and 1 |
Dump
Nominal payload | 40823.3 kg and 54431.1 kg |
Discharge angle | 48 degrees and 60 degrees |
Images
Sizes
1. Dimensional length | 8465 mm | 1. Dimensional length | 10334 mm |
2. Overall width | 3657.6 mm | 2. Overall width | 5425 mm |
3. Headroom | 4150 mm | 3. Headroom | 4435 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 4215 mm |
6. Unloading height | 7925 mm | 6. Unloading height | 9261 mm |
7. Unloading ground clearance | 480 mm | 7. Unloading ground clearance | 626 mm |
Dump
8. Discharge angle | 48 degrees | 8. Discharge angle | 60 degrees |