vs.

      Case 721CXR vs. John Deere 644GH

      9 reasons to buy Case 721CXR:

      Shovel

      Breakout power 156.3 kN and 169.2 kN 8 % less or 12.9 kN
      Unloading ground clearance at maximum lifting 3170 mm and 2942 mm 7 % more or 228 mm

      Operation

      Turn radius 5250 mm and 5460 mm 4 % less or 210 mm
      Hydraulic system fluid volume 153.3 l. and 115 l. 25 % more or 38.3 l.
      Cooling system fluid volume 32.2 l. and 28.5 l. 11 % more or 3.7 l.

      Motor

      Displacement 8.3 l. and 7.6 l. 8 % more or 0.7 l.

      Hydraulic system

      Lifting time 5.4 sec and 6.2 sec 13 % less or 0.8 sec

      Gear box

      Maximum forward speed 38.9 km/h and 34.6 km/h 11 % more or 4.3 km/h
      Maximum reverse gear 27.5 km/h and 22 km/h 20 % more or 5.5 km/h

      16 reasons to buy John Deere 644GH:

      Sizes

      Clearance 483 mm and 419 mm 13 % more or 64 mm
      Radius at maximum lifting and unloading 1049 mm and 930 mm 11 % more or 119 mm

      Shovel

      Bucket capacity with top 3.1 m3 and 1.9 m3 39 % more or 1.2 m3
      Brimmed bucket capacity 2.8 m3 and 1.6 m3 43 % more or 1.2 m3

      Operation

      Static tipping weight 13477.1 kg and 9866 kg 27 % more or 3611.1 kg
      Generator current strength 95 amperes and 65 amperes 32 % more or 30 amperes
      Fuel Capacity 284 l. and 204 l. 28 % more or 80 l.
      Engine oil volume 24 l. and 20.8 l. 13 % more or 3.2 l.
      Transmission fluid volume 14 l. and 12.3 l. 12 % more or 1.7 l.
      Front axle / differential fluid volume 28 l. and 26.5 l. 5 % more or 1.5 l.
      Rear axle / differential fluid volume 28 l. and 20.8 l. 26 % more or 7.2 l.

      Motor

      Maximum torque 872 Nm and 738.9 Nm 15 % more or 133.1 Nm
      Full power 146 kW and 123 kW 16 % more or 23 kW
      Effective power 138 kW and 113.3 kW 18 % more or 24.7 kW

      Hydraulic system

      Lowering time 3.5 sec and 5.1 sec 31 % less or 1.6 sec
      Pump bandwidth 263.1 l/min and 70.4 l/min 73 % more or 192.7 l/min

      Neutral reasons:

      Sizes

      Between tyres width 2530 mm and 2732 mm
      Length with bucket on ground level 7030 mm and 7860 mm
      Height to cab upper part 3260 mm and 3420 mm
      Wheelbase 2900 mm and 3200 mm
      Hinge axis maximum height 3980 mm and 4000 mm

      Shovel

      Shovel width 2620 mm and 3050 mm

      Operation

      Operating voltage 24 V and 12 V
      Working weight 13542.5 kg and 16616.9 kg
      Rear axle oscillating 24 degrees and 26 degrees
      Tyre size 20.5-25 L3 and 20.5-25

      Motor

      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Power measured at 2200 rev / min and 2200 rev / min
      Torque measured at 1300 rev / min and 1300 rev / min
      Cylinders number 6 and 6
      Manufacturer Case and John Deere
      Model 6T-830 and 6076A

      Hydraulic system

      Type of pump pumps with twin vanes and gear type pump
      Overflow valve pressure 132.9 kPa and 20684.3 kPa
      Unloading time 1.8 sec and 1.8 sec

      Gear box

      Transmission type 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating and powershift transmission
      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      6. Hinge axis maximum height 3980 mm 6. Hinge axis maximum height 4000 mm
      8. Radius at maximum lifting and unloading 930 mm 8. Radius at maximum lifting and unloading 1049 mm
      1. Length with bucket on ground level 7030 mm 1. Length with bucket on ground level 7860 mm
      2. Between tyres width 2530 mm 2. Between tyres width 2732 mm
      3. Height to cab upper part 3260 mm 3. Height to cab upper part 3420 mm
      4. Wheelbase 2900 mm 4. Wheelbase 3200 mm
      5. Clearance 419 mm 5. Clearance 483 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3170 mm 7. Unloading ground clearance at maximum lifting 2942 mm