vs.

      Komatsu WA65-3 vs. Case 721CXT

      7 reasons to buy Komatsu WA65-3:

      Shovel

      Breakout power 39.8 kN and 125 kN 68 % less or 85.2 kN

      Operation

      Turn radius 3700 mm and 5250 mm 30 % less or 1550 mm
      Generator current strength 80 amperes and 65 amperes 19 % more or 15 amperes

      Motor

      Torque measured at 1600 rev / min and 1300 rev / min 19 % more or 300 rev

      Hydraulic system

      Lowering time 2.4 sec and 4.6 sec 48 % less or 2.2 sec
      Lifting time 5 sec and 5.4 sec 7 % less or 0.4 sec
      Unloading time 1 sec and 2 sec 50 % less or 1 sec

      18 reasons to buy Case 721CXT:

      Sizes

      Radius at maximum lifting and unloading 1170 mm and 780 mm 33 % more or 390 mm
      Clearance 419 mm and 395 mm 6 % more or 24 mm

      Shovel

      Unloading ground clearance at maximum lifting 2870 mm and 2515 mm 12 % more or 355 mm

      Operation

      Rear axle / differential fluid volume 20.8 l. and 6.5 l. 69 % more or 14.3 l.
      Static tipping weight 9866 kg and 3500 kg 65 % more or 6366 kg
      Fuel Capacity 204 l. and 77 l. 62 % more or 127 l.
      Hydraulic system fluid volume 153.3 l. and 70 l. 54 % more or 83.3 l.
      Engine oil volume 20.8 l. and 9.4 l. 55 % more or 11.4 l.
      Cooling system fluid volume 32.2 l. and 10 l. 69 % more or 22.2 l.
      Front axle / differential fluid volume 26.5 l. and 6.1 l. 77 % more or 20.4 l.

      Motor

      Displacement 8.3 l. and 2.8 l. 66 % more or 5.5 l.
      Cylinders number 6 and 4 33 % more or 2
      Maximum torque 738.9 Nm and 165 Nm 78 % more or 573.9 Nm
      Effective power 113.3 kW and 37 kW 67 % more or 76.3 kW

      Hydraulic system

      Pump bandwidth 70.4 l/min and 55 l/min 22 % more or 15.4 l/min

      Gear box

      Forward gears number 4 and 2 50 % more or 2
      Reverse gears number 3 and 2 33 % more or 1
      Maximum forward speed 38.9 km/h and 20 km/h 49 % more or 18.9 km/h

      Neutral reasons:

      Sizes

      Wheelbase 1950 mm and 2900 mm
      Hinge axis maximum height 3115 mm and 3860 mm
      Length with bucket on ground level 5115 mm and 7270 mm
      Height to cab upper part 2915 mm and 3260 mm

      Shovel

      Shovel width 1850 mm and 2620 mm

      Operation

      Operating voltage 12 V and 24 V
      Rear axle oscillating 24 degrees and 24 degrees
      Tyre size 405/70 R18 SPT 9 and 20.5-25 L3
      Working weight 4260 kg and 13542.5 kg

      Motor

      Manufacturer Komatsu and Case
      Model 4D 94E and 6T-830

      Hydraulic system

      Type of pump Closed Hydraulic System and pumps with twin vanes
      Overflow valve pressure 20000 kPa and 132.9 kPa

      Gear box

      Transmission type Hydro-Static Transmission and 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating

      Images

      Sizes

      1. Length with bucket on ground level 5115 mm 1. Length with bucket on ground level 7270 mm
      3. Height to cab upper part 2915 mm 3. Height to cab upper part 3260 mm
      4. Wheelbase 1950 mm 4. Wheelbase 2900 mm
      5. Clearance 395 mm 5. Clearance 419 mm
      6. Hinge axis maximum height 3115 mm 6. Hinge axis maximum height 3860 mm
      8. Radius at maximum lifting and unloading 780 mm 8. Radius at maximum lifting and unloading 1170 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2515 mm 7. Unloading ground clearance at maximum lifting 2870 mm