vs.

      Komatsu WA900-3 vs. Case 321E

      20 reasons to buy Komatsu WA900-3:

      Sizes

      Clearance 550 mm and 330 mm 40 % more or 220 mm
      Radius at maximum lifting and unloading 2450 mm and 888 mm 64 % more or 1562 mm

      Shovel

      Unloading ground clearance at maximum lifting 4715 mm and 2635 mm 44 % more or 2080 mm
      Bucket capacity with top 13 m3 and 1.1 m3 92 % more or 11.9 m3

      Operation

      Hydraulic system fluid volume 725 l. and 74 l. 90 % more or 651 l.
      Engine oil volume 132 l. and 10 l. 92 % more or 122 l.
      Fuel Capacity 1425 l. and 100 l. 93 % more or 1325 l.
      Front axle / differential fluid volume 360 l. and 8 l. 98 % more or 352 l.
      Rear axle / differential fluid volume 360 l. and 8 l. 98 % more or 352 l.
      Static tipping weight 66140 kg and 4420 kg 93 % more or 61720 kg
      Generator current strength 75 amperes and 55 amperes 27 % more or 20 amperes

      Motor

      Effective power 636.1 kW and 53.5 kW 92 % more or 582.6 kW
      Full power 668.9 kW and 56 kW 92 % more or 612.9 kW
      Displacement 30.5 l. and 3.1 l. 90 % more or 27.4 l.
      Cylinders number 12 and 4 67 % more or 8

      Hydraulic system

      Pump bandwidth 405 l/min and 73 l/min 82 % more or 332 l/min

      Gear box

      Maximum reverse gear 28.3 km/h and 20 km/h 29 % more or 8.3 km/h
      Maximum forward speed 28 km/h and 20 km/h 29 % more or 8 km/h
      Forward gears number 3 and 2 33 % more or 1
      Reverse gears number 3 and 2 33 % more or 1

      6 reasons to buy Case 321E:

      Shovel

      Breakout power 50 kN and 665.9 kN 92 % less or 615.9 kN

      Operation

      Turn radius 4132 mm and 11065 mm 63 % less or 6933 mm

      Motor

      Power measured at 2300 rev / min and 2000 rev / min 13 % more or 300 rev

      Hydraulic system

      Lifting time 6 sec and 11.2 sec 46 % less or 5.2 sec
      Unloading time 1 sec and 2 sec 50 % less or 1 sec
      Lowering time 3 sec and 4.8 sec 37 % less or 1.8 sec

      Neutral reasons:

      Sizes

      Wheelbase 5450 mm and 2350 mm
      Hinge axis maximum height 6960 mm and 3459 mm
      Between tyres width 4585 mm and 1978 mm
      Height to cab upper part 5275 mm and 2785 mm
      Length with bucket on ground level 14430 mm and 5755 mm

      Shovel

      Shovel width 4815 mm and 2100 mm

      Operation

      Working weight 102880 kg and 5896 kg
      Operating voltage 24 V and 12 V
      Rear axle oscillating 22 degrees and 24 degrees
      Tyre size 45/64-45 and 405/70 R20

      Motor

      Manufacturer Komatsu and Deutz
      Model SAA12V140ZE-2 and BF4M2011 2 level

      Hydraulic system

      Type of pump variable displacement piston pump and Open-centered with pressure/flow compensation
      Overflow valve pressure 34315.2 kPa and 25000 kPa

      Gear box

      Transmission type powershift transmission and Hydro-Static Transmission

      Images

      Sizes

      1. Length with bucket on ground level 14430 mm 1. Length with bucket on ground level 5755 mm
      2. Between tyres width 4585 mm 2. Between tyres width 1978 mm
      3. Height to cab upper part 5275 mm 3. Height to cab upper part 2785 mm
      4. Wheelbase 5450 mm 4. Wheelbase 2350 mm
      5. Clearance 550 mm 5. Clearance 330 mm
      6. Hinge axis maximum height 6960 mm 6. Hinge axis maximum height 3459 mm
      8. Radius at maximum lifting and unloading 2450 mm 8. Radius at maximum lifting and unloading 888 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 4715 mm 7. Unloading ground clearance at maximum lifting 2635 mm