vs.

      Komatsu WA450-6 vs. Case 721DXT

      16 reasons to buy Komatsu WA450-6:

      Sizes

      Clearance 525 mm and 365 mm 30 % more or 160 mm

      Shovel

      Unloading ground clearance at maximum lifting 3185 mm and 2930 mm 8 % more or 255 mm
      Bucket capacity with top 4.2 m3 and 2.3 m3 45 % more or 1.9 m3

      Operation

      Fuel Capacity 413 l. and 246 l. 40 % more or 167 l.
      Engine oil volume 38 l. and 14.2 l. 63 % more or 23.8 l.
      Cooling system fluid volume 61 l. and 36.9 l. 40 % more or 24.1 l.
      Transmission fluid volume 54 l. and 25.6 l. 53 % more or 28.4 l.
      Front axle / differential fluid volume 60 l. and 30.3 l. 49 % more or 29.7 l.
      Rear axle / differential fluid volume 56 l. and 27.4 l. 51 % more or 28.6 l.
      Static tipping weight 18080 kg and 12526 kg 31 % more or 5554 kg

      Motor

      Displacement 11 l. and 6.7 l. 39 % more or 4.3 l.
      Effective power 203 kW and 126.8 kW 38 % more or 76.2 kW
      Full power 204 kW and 135 kW 34 % more or 69 kW

      Hydraulic system

      Unloading time 1.6 sec and 1.9 sec 16 % less or 0.3 sec

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum reverse gear 36 km/h and 25.7 km/h 29 % more or 10.3 km/h

      7 reasons to buy Case 721DXT:

      Shovel

      Breakout power 124.8 kN and 192 kN 35 % less or 67.2 kN

      Operation

      Turn radius 5770 mm and 15290 mm 62 % less or 9520 mm
      Hydraulic system fluid volume 193.1 l. and 173 l. 10 % more or 20.1 l.

      Hydraulic system

      Pump bandwidth 779.8 l/min and 242 l/min 69 % more or 537.8 l/min
      Lifting time 5.6 sec and 6 sec 7 % less or 0.4 sec
      Lowering time 3.3 sec and 3.7 sec 11 % less or 0.4 sec

      Gear box

      Maximum forward speed 38 km/h and 34.9 km/h 8 % more or 3.1 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 9000 mm and 7919 mm
      Between tyres width 3010 mm and 2603 mm
      Height to cab upper part 3500 mm and 3337 mm
      Wheelbase 3450 mm and 3253 mm
      Hinge axis maximum height 4360 mm and 4157 mm

      Shovel

      Shovel width 3170 mm and 2700 mm

      Operation

      Working weight 22580 kg and 14321.7 kg

      Motor

      Manufacturer Komatsu and Case
      Model SAA6D123E-5 and Family III 668TA/E2
      Cylinders number 6 and 6
      Aspiration turbocharging and Turbocharger with air cooling by oncoming air flow

      Hydraulic system

      Type of pump Double-acting piston type and in the middle position with locking with pressure / flow compensation
      Overflow valve pressure 24510.8 kPa and 25000 kPa

      Gear box

      Transmission type powershift transmission with camshaft 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 3010 mm 2. Between tyres width 2603 mm
      3. Height to cab upper part 3500 mm 3. Height to cab upper part 3337 mm
      4. Wheelbase 3450 mm 4. Wheelbase 3253 mm
      5. Clearance 525 mm 5. Clearance 365 mm
      6. Hinge axis maximum height 4360 mm 6. Hinge axis maximum height 4157 mm
      1. Length with bucket on ground level 9000 mm 1. Length with bucket on ground level 7919 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3185 mm 7. Unloading ground clearance at maximum lifting 2930 mm