vs.

      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