vs.

      Case 321E vs. Komatsu WA900-3

      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

      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

      Fuel Capacity 1425 l. and 100 l. 93 % more or 1325 l.
      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.
      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

      Cylinders number 12 and 4 67 % more or 8
      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.

      Hydraulic system

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

      Gear box

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

      Neutral reasons:

      Sizes

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

      Shovel

      Shovel width 2100 mm and 4815 mm

      Operation

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

      Motor

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

      Hydraulic system

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

      Gear box

      Transmission type Hydro-Static Transmission and powershift transmission

      Images

      Sizes

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

      Shovel

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