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- Caterpillar 797B vs. Komatsu HD785-7
Caterpillar 797B vs. Komatsu HD785-7
14 reasons to buy Caterpillar 797B:
Weight
Unloaded rear weight distribution | 56.5 % and 53 % | 6 % more or 3.5 % |
Loaded front weight distribution | 33.3 % and 31.5 % | 5 % more or 1.8 % |
Sizes
Unloading ground clearance | 1885 mm and 985 mm | 48 % more or 900 mm |
Operation
Brake / lift system fluid volume | 1842 l. and 36 l. | 98 % more or 1806 l. |
Hydraulic system fluid volume | 996 l. and 175 l. | 82 % more or 821 l. |
Fuel Capacity | 6813.7 l. and 1308 l. | 81 % more or 5505.7 l. |
Engine oil volume | 417 l. and 129 l. | 69 % more or 288 l. |
Differential/final drive fluid volume | 417 l. and 137 l. | 67 % more or 280 l. |
Motor
Cylinders number | 24 and 12 | 50 % more or 12 |
Full power | 2648 kW and 894.8 kW | 66 % more or 1753.2 kW |
Effective power | 2513 kW and 878.4 kW | 65 % more or 1634.6 kW |
Displacement | 117.1 l. and 30.5 l. | 74 % more or 86.6 l. |
Gear box
Maximum speed | 67.6 km/h and 65 km/h | 4 % more or 2.6 km/h |
Dump
Lifting capacity with top | 220 m3 and 60 m3 | 73 % more or 160 m3 |
7 reasons to buy Komatsu HD785-7:
Weight
Loaded rear weight distribution | 68.5 % and 66.7 % | 3 % more or 1.8 % |
Unloaded front weight distribution | 47 % and 43.5 % | 7 % more or 3.5 % |
Operation
Generator current strength | 90 amperes and 75 amperes | 17 % more or 15 amperes |
Motor
Power measured at | 1900 rev / min and 1750 rev / min | 8 % more or 150 rev |
Gear box
Reverse gears number | 2 and 1 | 50 % more or 1 |
Dump
Lifting time | 13 sec and 25 sec | 48 % less or 12 sec |
Lowering time | 14 sec and 18.5 sec | 24 % less or 4.5 sec |
Neutral reasons:
Weight
Weight without load | 265000 kg and 72000 kg |
Laden weight | 623690 kg and 366000 kg |
Sizes
Dimensional length | 14530 mm and 10290 mm |
Overall width | 9154 mm and 5530 mm |
Headroom | 7584 mm and 5050 mm |
Wheelbase | 7200 mm and 4950 mm |
Unloading height | 15292 mm and 10080 mm |
Operation
Operating voltage | 24 V and 24 V |
Tyre size | 59/80R63 Standard Tires and 27.00R49 |
Motor
Manufacturer | Caterpillar and Komatsu |
Model | 3524B HD EUI and SAA12V140E-3 |
Aspiration | turbocharging and turbocharging |
Gear box
Transmission type | 7-planetary gear shift with direct injection and planetary gear |
Forward gears number | 7 and 7 |
Dump
Discharge angle | 45 degrees and 48 degrees |
Nominal payload | 360000 kg and 91000 kg |
Images
Sizes
1. Dimensional length | 14530 mm | 1. Dimensional length | 10290 mm |
2. Overall width | 9154 mm | 2. Overall width | 5530 mm |
3. Headroom | 7584 mm | 3. Headroom | 5050 mm |
4. Wheelbase | 7200 mm | 4. Wheelbase | 4950 mm |
6. Unloading height | 15292 mm | 6. Unloading height | 10080 mm |
7. Unloading ground clearance | 1885 mm | 7. Unloading ground clearance | 985 mm |
Dump
8. Discharge angle | 45 degrees | 8. Discharge angle | 48 degrees |