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- Komatsu HD320-3 vs. Komatsu HD405-7
Komatsu HD320-3 vs. Komatsu HD405-7
3 reasons to buy Komatsu HD320-3:
Weight
Unloaded rear weight distribution | 52 % and 49.3 % | 5 % more or 2.7 % |
Loaded rear weight distribution | 68 % and 67.2 % | 1 % more or 0.8 % |
Operation
Fuel Capacity | 500 l. and 484 l. | 3 % more or 16 l. |
11 reasons to buy Komatsu HD405-7:
Weight
Unloaded front weight distribution | 50.7 % and 48 % | 5 % more or 2.7 % |
Loaded front weight distribution | 32.8 % and 32 % | 2 % more or 0.8 % |
Sizes
Unloading ground clearance | 480 mm and 440 mm | 8 % more or 40 mm |
Operation
Engine oil volume | 50 l. and 25 l. | 50 % more or 25 l. |
Differential/final drive fluid volume | 75 l. and 71 l. | 5 % more or 4 l. |
Hydraulic system fluid volume | 129 l. and 110 l. | 15 % more or 19 l. |
Motor
Full power | 386 kW and 302 kW | 22 % more or 84 kW |
Displacement | 15.2 l. and 14 l. | 8 % more or 1.2 l. |
Gear box
Forward gears number | 7 and 6 | 14 % more or 1 |
Maximum speed | 70 km/h and 62 km/h | 11 % more or 8 km/h |
Dump
Lifting capacity with top | 27.3 m3 and 24 m3 | 12 % more or 3.3 m3 |
Neutral reasons:
Weight
Weight without load | 25750 kg and 34400 kg |
Laden weight | 57750 kg and 74480 kg |
Sizes
Dimensional length | 7650 mm and 8465 mm |
Overall width | 3670 mm and 3657.6 mm |
Headroom | 3850 mm and 4150 mm |
Wheelbase | 3750 mm and 3750 mm |
Unloading height | 7520 mm and 7925 mm |
Motor
Model | NTA855 and SAA6D140E-5 |
Aspiration | turbocharging and turbocharging |
Manufacturer | Cummins and Komatsu |
Gear box
Transmission type | Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and automatic planetary gear |
Reverse gears number | 1 and 1 |
Dump
Discharge angle | 61 degrees and 48 degrees |
Nominal payload | 29029.9 kg and 40823.3 kg |
Images
Sizes
3. Headroom | 3850 mm | 3. Headroom | 4150 mm |
4. Wheelbase | 3750 mm | 4. Wheelbase | 3750 mm |
6. Unloading height | 7520 mm | 6. Unloading height | 7925 mm |
7. Unloading ground clearance | 440 mm | 7. Unloading ground clearance | 480 mm |
1. Dimensional length | 7650 mm | 1. Dimensional length | 8465 mm |
2. Overall width | 3670 mm | 2. Overall width | 3657.6 mm |
Dump
8. Discharge angle | 61 degrees | 8. Discharge angle | 48 degrees |