vs.

      Caterpillar 312C L vs. Jonyang JY640

      3 reasons to buy Caterpillar 312C L:

      Swing device

      Rotation speed 12.9 rev / min and 9 rev / min 30 % more or 3.9 rev

      Operation

      Hydraulic pump flow rate 127 l/min and 720 l/min 82 % less or 593 l/min

      Carrier

      Specific ground pressure 31 kPa and 77 kPa 60 % less or 46 kPa

      8 reasons to buy Jonyang JY640:

      Sizes

      Clearance 496 mm and 440 mm 11 % more or 56 mm
      Width to outside of caterpillar track 3350 mm and 2590 mm 23 % more or 760 mm

      Operation

      Hydraulic system overflow valve pressure 34300 kPa and 29900 kPa 13 % more or 4400 kPa

      Motor

      Effective power 235 kW and 67 kW 71 % more or 168 kW

      Carrier

      Maximum travel speed 6.4 km/h and 5.5 km/h 14 % more or 0.9 km/h

      Booms/sections features 1

      Maximum loading height 8729 mm and 6095 mm 30 % more or 2634 mm
      Maximum excavation depth 7745 mm and 5550 mm 28 % more or 2195 mm
      Maximum radius along ground level 12090 mm and 8175 mm 32 % more or 3915 mm

      Neutral reasons:

      Sizes

      Rear platform swing radius 2130 mm and 3666 mm
      Caterpillar track length on ground level 2780 mm and 4236 mm
      Height to cab upper part 2760 mm and 3068 mm

      Operation

      Working weight 28970 pound and 80000 pound

      Motor

      Manufacturer Caterpillar and Cummins
      Model 3064T and M11-C315

      Carrier

      Shoe dimensions 600 mm and 600 mm
      Track width 1990 mm and 2750 mm

      Booms/sections features 1

      Maximum cut height 8475 mm and 12196 mm
      Unit load-transfer height 2760 mm and 3609 mm
      Unit load-transfer length 7570 mm and 12031 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 2590 mm 2. Width to outside of caterpillar track 3350 mm
      4. Caterpillar track length on ground level 2780 mm 4. Caterpillar track length on ground level 4236 mm
      5. Clearance 440 mm 5. Clearance 496 mm
      7. Height to cab upper part 2760 mm 7. Height to cab upper part 3068 mm
      8. Rear platform swing radius 2130 mm 8. Rear platform swing radius 3666 mm

      Carrier

      6. Track width 1990 mm 6. Track width 2750 mm
      14. Shoe dimensions 600 mm 14. Shoe dimensions 600 mm

      Booms/sections features 1

      1. Unit load-transfer length 7570 mm 1. Unit load-transfer length 12031 mm
      3. Unit load-transfer height 2760 mm 3. Unit load-transfer height 3609 mm
      9. Maximum cut height 8695 mm 9. Maximum cut height 12196 mm
      10. Maximum loading height 6330 mm 10. Maximum loading height 8729 mm
      11. Maximum radius along ground level 8625 mm 11. Maximum radius along ground level 12090 mm
      13. Maximum excavation depth 6050 mm 13. Maximum excavation depth 7745 mm