vs.

      Hyundai R22-7 vs. Komatsu PC20R-8

      5 reasons to buy Hyundai R22-7:

      Swing device

      Rotation speed 11.5 rev / min and 9 rev / min 22 % more or 2.5 rev

      Sizes

      Width to outside of caterpillar track 1380 mm and 1370 mm 1 % more or 10 mm

      Operation

      Hydraulic system fluid volume 33 l. and 29 l. 12 % more or 4 l.
      Cooling system fluid volume 5.6 l. and 4 l. 29 % more or 1.6 l.

      Booms/sections features 1

      Maximum excavation depth 2365 mm and 2350 mm 1 % more or 15 mm

      11 reasons to buy Komatsu PC20R-8:

      Operation

      Engine oil volume 3.6 l. and 3.5 l. 3 % more or 0.1 l.
      Fuel Capacity 35 l. and 29 l. 17 % more or 6 l.
      Hydraulic system overflow valve pressure 21000 kPa and 18615.8 kPa 11 % more or 2384.2 kPa
      Hydraulic pump flow rate 59.6 l/min and 63.4 l/min 6 % less or 3.8 l/min

      Motor

      Effective power 17.4 kW and 12.7 kW 27 % more or 4.7 kW
      Power measured at 2600 rev / min and 2400 rev / min 8 % more or 200 rev

      Carrier

      Specific ground pressure 1.6 lb / sq. inch and 4.8 lb / sq. inch 67 % less or 3.2 lb
      Maximum travel speed 4.3 km/h and 3.8 km/h 12 % more or 0.5 km/h

      Booms/sections features 1

      Maximum radius along ground level 4250 mm and 4065 mm 4 % more or 185 mm
      Maximum loading height 2765 mm and 2510 mm 9 % more or 255 mm
      Maximum vertical wall digging depth 1900 mm and 1795 mm 6 % more or 105 mm

      Neutral reasons:

      Sizes

      Rear platform swing radius 1745 mm and 1240 mm
      Caterpillar track length on ground level 1325 mm and 1340 mm

      Operation

      Working weight 2199.9 kg and 2535 kg

      Motor

      Manufacturer Mitsubishi and Komatsu
      Model L3E-W231 and 3D78AE-3FA

      Carrier

      Track width 1150 mm and 1120 mm
      Shoe dimensions 230 mm and 250 mm

      Booms/sections features 1

      Unit load-transfer height 2250 mm and 2450 mm
      Unit load-transfer length 4075 mm and 4250 mm
      Maximum cut height 3745 mm and 4030 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 1380 mm 2. Width to outside of caterpillar track 1370 mm
      4. Caterpillar track length on ground level 1325 mm 4. Caterpillar track length on ground level 1340 mm
      8. Rear platform swing radius 1745 mm 8. Rear platform swing radius 1240 mm

      Carrier

      6. Track width 1150 mm 6. Track width 1120 mm
      14. Shoe dimensions 230 mm 14. Shoe dimensions 250 mm

      Booms/sections features 1

      1. Unit load-transfer length 4075 mm 1. Unit load-transfer length 4320 mm
      3. Unit load-transfer height 2250 mm 3. Unit load-transfer height 2450 mm
      9. Maximum cut height 3745 mm 9. Maximum cut height 4205 mm
      10. Maximum loading height 2510 mm 10. Maximum loading height 2945 mm
      11. Maximum radius along ground level 4065 mm 11. Maximum radius along ground level 4510 mm
      12. Maximum vertical wall digging depth 1795 mm 12. Maximum vertical wall digging depth 2190 mm
      13. Maximum excavation depth 2365 mm 13. Maximum excavation depth 2550 mm