vs.

      Komatsu WA470-5 vs. Case 921E

      17 reasons to buy Komatsu WA470-5:

      Sizes

      Clearance 525 mm and 489 mm 7 % more or 36 mm
      Radius at maximum lifting and unloading 1295 mm and 1270 mm 2 % more or 25 mm

      Shovel

      Unloading ground clearance at maximum lifting 3100 mm and 3080 mm 1 % more or 20 mm

      Operation

      Engine oil volume 38 l. and 36.9 l. 3 % more or 1.1 l.
      Transmission fluid volume 186 l. and 39.7 l. 79 % more or 146.3 l.
      Front axle / differential fluid volume 52 l. and 47.3 l. 9 % more or 4.7 l.
      Rear axle / differential fluid volume 52 l. and 47.3 l. 9 % more or 4.7 l.
      Turn radius 6201 mm and 6870 mm 10 % less or 669 mm

      Motor

      Displacement 11 l. and 10.8 l. 2 % more or 0.2 l.
      Power measured at 2000 rev / min and 1800 rev / min 10 % more or 200 rev
      Torque measured at 1400 rev / min and 900 rev / min 36 % more or 500 rev

      Hydraulic system

      Pump bandwidth 410 l/min and 162.1 l/min 60 % more or 247.9 l/min
      Lifting time 6 sec and 6.2 sec 3 % less or 0.2 sec
      Unloading time 1.4 sec and 3.6 sec 61 % less or 2.2 sec

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum forward speed 39.7 km/h and 37.4 km/h 6 % more or 2.3 km/h
      Maximum reverse gear 40.9 km/h and 25.8 km/h 37 % more or 15.1 km/h

      9 reasons to buy Case 921E:

      Shovel

      Bucket capacity with top 4.4 m3 and 4.1 m3 7 % more or 0.3 m3

      Operation

      Generator current strength 95 amperes and 50 amperes 47 % more or 45 amperes
      Fuel Capacity 393.7 l. and 390 l. 1 % more or 3.7 l.
      Hydraulic system fluid volume 242 l. and 186 l. 23 % more or 56 l.
      Cooling system fluid volume 56.8 l. and 50 l. 12 % more or 6.8 l.
      Static tipping weight 19319 kg and 18905 kg 2 % more or 414 kg

      Motor

      Maximum torque 1373 Nm and 1245 Nm 9 % more or 128 Nm
      Full power 204 kW and 202.1 kW 1 % more or 1.9 kW

      Hydraulic system

      Lowering time 3 sec and 3.7 sec 19 % less or 0.7 sec

      Neutral reasons:

      Sizes

      Length with bucket on ground level 8890 mm and 8800 mm
      Between tyres width 2903 mm and 2987 mm
      Height to cab upper part 3460 mm and 3700 mm
      Wheelbase 3450 mm and 3400 mm
      Hinge axis maximum height 4340 mm and 4280 mm

      Shovel

      Shovel width 2990 mm and 3170 mm

      Operation

      Operating voltage 24 V and 24 V
      Rear axle oscillating 30 degrees and 24 degrees
      Tyre size 26.5 R25 and 26.5 x 25 L3 with diagonal cord
      Working weight 22780 kg and 22962 kg

      Motor

      Cylinders number 6 and 6
      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Manufacturer Komatsu and Cummins
      Model SAA6D125E-3 and QSM 11, 3 level

      Hydraulic system

      Type of pump gear type pump and in the middle position with locking with pressure / flow compensation
      Overflow valve pressure 21000 kPa and 24821 kPa

      Gear box

      Transmission type automatic transmission system with power gear shifting and 4 forward / 3 reverse gears proportional with electronic control module
      Forward gears number 4 and 4

      Images

      Sizes

      1. Length with bucket on ground level 8890 mm 1. Length with bucket on ground level 8800 mm
      2. Between tyres width 2903 mm 2. Between tyres width 2987 mm
      3. Height to cab upper part 3460 mm 3. Height to cab upper part 3700 mm
      4. Wheelbase 3450 mm 4. Wheelbase 3400 mm
      5. Clearance 525 mm 5. Clearance 489 mm
      6. Hinge axis maximum height 4340 mm 6. Hinge axis maximum height 4280 mm
      8. Radius at maximum lifting and unloading 1295 mm 8. Radius at maximum lifting and unloading 1270 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3100 mm 7. Unloading ground clearance at maximum lifting 3080 mm