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- Komatsu WB156PS-5 vs. Caterpillar 420D
Komatsu WB156PS-5 vs. Caterpillar 420D
18 reasons to buy Komatsu WB156PS-5:
Sizes
| Clearance | 430 mm and 297 mm | 31 % more or 133 mm |
Operation
| Turn radius | 4000 mm and 5350 mm | 25 % less or 1350 mm |
| Fuel Capacity | 150 l. and 128 l. | 15 % more or 22 l. |
Motor
| Full power | 73.8 kW and 65.6 kW | 11 % more or 8.2 kW |
| Effective power | 70.8 kW and 63.4 kW | 10 % more or 7.4 kW |
| Displacement | 4.5 l. and 4 l. | 11 % more or 0.5 l. |
Load-transfer device
| Lifting capacity at full height | 3900 kg and 2896 kg | 26 % more or 1004 kg |
| Ground clearance at maximum unloading height | 4435 mm and 2544 mm | 43 % more or 1891 mm |
| Radius at max unloading height | 3761 mm and 835 mm | 78 % more or 2926 mm |
| Digging depth | 138 mm and 135 mm | 2 % more or 3 mm |
Hydraulic system
| Pump bandwidth | 165 l/min and 163 l/min | 1 % more or 2 l/min |
Gear box
| Maximum forward speed | 40 km/h and 32.8 km/h | 18 % more or 7.2 km/h |
Backdigger
| Digging depth in unfolded state | 5916 mm and 5510 mm | 7 % more or 406 mm |
| Radius at high-altitude loading in folded state | 3046 mm and 862 mm | 72 % more or 2184 mm |
| Radius at high-altitude loading in unfolded state | 4239 mm and 751 mm | 82 % more or 3488 mm |
| Loading height in folded state | 3747 mm and 3613 mm | 4 % more or 134 mm |
| Loading height in unfolded state | 4435 mm and 4175 mm | 6 % more or 260 mm |
| Digging depth in folded state | 4670 mm and 4390 mm | 6 % more or 280 mm |
5 reasons to buy Caterpillar 420D:
Load-transfer device
| Bucket breakout force | 45.1 kN and 60.1 kN | 25 % less or 15.0 kN |
Gear box
| Reverse gears number | 4 and 3 | 25 % more or 1 |
| Maximum reverse gear | 32.8 km/h and 23 km/h | 30 % more or 9.8 km/h |
Backdigger
| Bucket digging force in folded state | 6673.3 kg and 4725 kg | 29 % more or 1948.3 kg |
| Bucket digging force in unfolded state | 6616.1 kg and 5970 kg | 10 % more or 646.1 kg |
Neutral reasons:
Sizes
| Height to cab upper part | 2935 mm and 2770 mm |
| Wheelbase | 2175 mm and 2100 mm |
| Transport length | 7504 mm and 6974 mm |
| Transport width | 2356 mm and 2352 mm |
| Transport height | 4230 mm and 3585 mm |
Motor
| Model | S4D102LE-2 and 3054T |
| Power measured at | 2200 rev / min and 2200 rev / min |
| Cylinders number | 4 and 4 |
| Manufacturer | Komatsu and Caterpillar |
Load-transfer device
| Shovel width | 2356 mm and 2262 mm |
Hydraulic system
| Type of pump | variable displacement axial piston pump and load sensing, pressure control, with locking in the middle position |
| Overflow valve pressure | 24131.6 kPa and 22754 kPa |
Gear box
| Transmission type | rotary knob or electronic gearbox EGMTM and servodrive |
| Forward gears number | 4 and 4 |
Backdigger
| Hinge joint radius in folded state | 6034 mm and 5650 mm |
| Hinge joint radius in unfolded state | 7164 mm and 6675 mm |
Images
Sizes
| 1. Transport length | 7504 mm | 1. Transport length | 6974 mm |
| 2. Transport width | 2356 mm | 2. Transport width | 2352 mm |
| 3. Transport height | 4230 mm | 3. Transport height | 3585 mm |
| 4. Wheelbase | 2175 mm | 4. Wheelbase | 2100 mm |
| 5. Clearance | 430 mm | 5. Clearance | 297 mm |
| 6. Height to cab upper part | 2935 mm | 6. Height to cab upper part | 2770 mm |
Load-transfer device
| 7. Ground clearance at maximum unloading height | 4435 mm | 7. Ground clearance at maximum unloading height | 2544 mm |
| 8. Radius at max unloading height | 3761 mm | 8. Radius at max unloading height | 835 mm |
| 9. Digging depth | 138 mm | 9. Digging depth | 135 mm |
Backdigger
| 10. Loading height in folded state | 3747 mm | 10. Loading height in folded state | 3613 mm |
| 11. Hinge joint radius in folded state | 6034 mm | 11. Hinge joint radius in folded state | 5650 mm |
| 12. Digging depth in folded state | 4670 mm | 12. Digging depth in folded state | 4390 mm |
| 13. Radius at high-altitude loading in folded state | 3046 mm | 13. Radius at high-altitude loading in folded state | 862 mm |