vs.

      Komatsu WB91R-2 vs. Caterpillar 422E

      12 reasons to buy Komatsu WB91R-2:

      Operation

      Rear axle fluid volume 18.5 l. and 16 l. 14 % more or 2.5 l.
      Hydraulic system fluid volume 92 l. and 38 l. 59 % more or 54 l.
      Cooling system fluid volume 18 l. and 15.1 l. 16 % more or 2.9 l.

      Motor

      Full power 67.7 kW and 58.2 kW 14 % more or 9.5 kW
      Effective power 61.5 kW and 56.7 kW 8 % more or 4.8 kW
      Torque measured at 1500 rev / min and 1400 rev / min 7 % more or 100 rev

      Load-transfer device

      Lifting capacity at full height 4220 kg and 2676 kg 37 % more or 1544 kg
      Ground clearance at maximum unloading height 2750 mm and 2621 mm 5 % more or 129 mm
      Digging depth 110 mm and 91 mm 17 % more or 19 mm

      Hydraulic system

      Pump bandwidth 165 l/min and 125 l/min 24 % more or 40 l/min

      Backdigger

      Radius at high-altitude loading in folded state 5550 mm and 1620 mm 71 % more or 3930 mm
      Radius at high-altitude loading in unfolded state 6550 mm and 2623 mm 60 % more or 3927 mm

      9 reasons to buy Caterpillar 422E:

      Operation

      Maximum weight 10200 kg and 8580 kg 16 % more or 1620 kg
      Fuel Capacity 145 l. and 130 l. 10 % more or 15 l.
      Transmission fluid volume 18.5 l. and 16 l. 14 % more or 2.5 l.
      Front axle fluid volume 11 l. and 8.2 l. 25 % more or 2.8 l.

      Load-transfer device

      Bucket breakout force 40 kN and 59.6 kN 33 % less or 19.6 kN

      Backdigger

      Loading height in folded state 3802 mm and 2500 mm 34 % more or 1302 mm
      Digging depth in folded state 4929 mm and 4500 mm 9 % more or 429 mm
      Loading height in unfolded state 4311 mm and 3500 mm 19 % more or 811 mm
      Digging depth in unfolded state 5958 mm and 5650 mm 5 % more or 308 mm

      Neutral reasons:

      Sizes

      Transport width 2320 mm and 2352 mm
      Transport height 3660 mm and 3736 mm
      Height to cab upper part 2750 mm and 2863 mm
      Wheelbase 2175 mm and 2200 mm
      Transport length 5895 mm and 5785 mm

      Operation

      Operating voltage 12 V and 12 V

      Motor

      Cylinders number 4 and 4
      Displacement 4.4 l. and 4.4 l.
      Power measured at 2200 rev / min and 2200 rev / min
      Manufacturer Komatsu and Caterpillar
      Model 4D106-1FA and 3054C

      Load-transfer device

      Bucket volume 1 m3 and 1 m3
      Shovel width 2320 mm and 2406 mm

      Hydraulic system

      Type of pump axial piston pumps with variable displacement and variable displacement axial piston pump
      Overflow valve pressure 18500 kPa and 1565.1 kPa

      Gear box

      Transmission type Powershift, Electronic Gear Control and servodrive
      Forward gears number 4 and 4
      Reverse gears number 4 and 4
      Maximum forward speed 40 km/h and 40 km/h
      Maximum reverse gear 40 km/h and 40 km/h

      Backdigger

      Hinge joint radius in folded state 5550 mm and 5558 mm
      Hinge joint radius in unfolded state 6550 mm and 6610 mm

      Images

      Sizes

      1. Transport length 5895 mm 1. Transport length 5785 mm
      2. Transport width 2320 mm 2. Transport width 2352 mm
      3. Transport height 3660 mm 3. Transport height 3736 mm
      4. Wheelbase 2175 mm 4. Wheelbase 2200 mm
      6. Height to cab upper part 2750 mm 6. Height to cab upper part 2863 mm

      Load-transfer device

      7. Ground clearance at maximum unloading height 2750 mm 7. Ground clearance at maximum unloading height 2621 mm
      9. Digging depth 110 mm 9. Digging depth 91 mm

      Backdigger

      12. Digging depth in folded state 4500 mm 12. Digging depth in folded state 4929 mm
      13. Radius at high-altitude loading in folded state 5550 mm 13. Radius at high-altitude loading in folded state 1620 mm
      10. Loading height in folded state 2500 mm 10. Loading height in folded state 3802 mm
      11. Hinge joint radius in folded state 5550 mm 11. Hinge joint radius in folded state 5558 mm