vs.

      Komatsu WA320-6 vs. Case 721CXT

      13 reasons to buy Komatsu WA320-6:

      Sizes

      Clearance 425 mm and 419 mm 1 % more or 6 mm

      Shovel

      Bucket capacity with top 2.8 m3 and 1.9 m3 32 % more or 0.9 m3
      Brimmed bucket capacity 2.4 m3 and 1.6 m3 33 % more or 0.8 m3

      Operation

      Rear axle / differential fluid volume 24 l. and 20.8 l. 13 % more or 3.2 l.
      Static tipping weight 12535 kg and 9866 kg 21 % more or 2669 kg
      Fuel Capacity 245 l. and 204 l. 17 % more or 41 l.
      Engine oil volume 23 l. and 20.8 l. 10 % more or 2.2 l.

      Motor

      Effective power 125 kW and 113.3 kW 9 % more or 11.7 kW
      Full power 127.3 kW and 123 kW 3 % more or 4.3 kW

      Hydraulic system

      Unloading time 1.2 sec and 2 sec 40 % less or 0.8 sec
      Lowering time 3.3 sec and 4.6 sec 28 % less or 1.3 sec

      Gear box

      Maximum reverse gear 38 km/h and 27.5 km/h 28 % more or 10.5 km/h
      Reverse gears number 4 and 3 25 % more or 1

      11 reasons to buy Case 721CXT:

      Shovel

      Breakout power 125 kN and 129 kN 3 % less or 4 kN
      Unloading ground clearance at maximum lifting 2870 mm and 2850 mm 1 % more or 20 mm

      Operation

      Front axle / differential fluid volume 26.5 l. and 24 l. 9 % more or 2.5 l.
      Turn radius 5250 mm and 12520 mm 58 % less or 7270 mm
      Hydraulic system fluid volume 153.3 l. and 89 l. 42 % more or 64.3 l.
      Cooling system fluid volume 32.2 l. and 25 l. 22 % more or 7.2 l.

      Motor

      Displacement 8.3 l. and 6.7 l. 19 % more or 1.6 l.
      Power measured at 2200 rev / min and 2000 rev / min 9 % more or 200 rev

      Hydraulic system

      Lifting time 5.4 sec and 6.1 sec 11 % less or 0.7 sec
      Pump bandwidth 70.4 l/min and 61 l/min 13 % more or 9.4 l/min

      Gear box

      Maximum forward speed 38.9 km/h and 38 km/h 2 % more or 0.9 km/h

      Neutral reasons:

      Sizes

      Between tyres width 2585 mm and 2530 mm
      Height to cab upper part 3200 mm and 3260 mm
      Length with bucket on ground level 7515 mm and 7270 mm
      Wheelbase 3030 mm and 2900 mm
      Hinge axis maximum height 3905 mm and 3860 mm

      Shovel

      Shovel width 2740 mm and 2620 mm

      Operation

      Working weight 14370 kg and 13542.5 kg

      Motor

      Model SAA6D107E-1 and 6T-830
      Cylinders number 6 and 6
      Aspiration turbocharging and turbocharging
      Manufacturer Komatsu and Case

      Hydraulic system

      Type of pump gear type pump and pumps with twin vanes
      Overflow valve pressure 3000 lb / sq. inch and 2775 lb / sq. inch

      Gear box

      Transmission type Hydrostatic, 1 pump, 2 electric motors with the speed range selection and 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating
      Forward gears number 4 and 4

      Images

      Sizes

      2. Between tyres width 2585 mm 2. Between tyres width 2530 mm
      3. Height to cab upper part 3200 mm 3. Height to cab upper part 3260 mm
      4. Wheelbase 3030 mm 4. Wheelbase 2900 mm
      5. Clearance 425 mm 5. Clearance 419 mm
      6. Hinge axis maximum height 3905 mm 6. Hinge axis maximum height 3860 mm
      1. Length with bucket on ground level 7515 mm 1. Length with bucket on ground level 7270 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2850 mm 7. Unloading ground clearance at maximum lifting 2870 mm