vs.

      Komatsu W90-3 vs. Case 521EXR

      12 reasons to buy Komatsu W90-3:

      Sizes

      Clearance 435 mm and 377 mm 13 % more or 58 mm
      Radius at maximum lifting and unloading 985 mm and 938 mm 5 % more or 47 mm

      Shovel

      Unloading ground clearance at maximum lifting 2800 mm and 2142 mm 23 % more or 658 mm
      Bucket capacity with top 2.3 m3 and 1.6 m3 30 % more or 0.7 m3

      Operation

      Fuel Capacity 226 l. and 189 l. 16 % more or 37 l.
      Cooling system fluid volume 38 l. and 22 l. 42 % more or 16 l.
      Static tipping weight 9700 kg and 7175.4 kg 26 % more or 2524.6 kg

      Motor

      Full power 117.1 kW and 96.2 kW 18 % more or 20.9 kW
      Displacement 6.5 l. and 4.5 l. 31 % more or 2.0 l.

      Hydraulic system

      Lowering time 2.5 sec and 2.7 sec 7 % less or 0.2 sec
      Lifting time 5.3 sec and 5.6 sec 5 % less or 0.3 sec

      Gear box

      Maximum reverse gear 32.3 km/h and 22.7 km/h 30 % more or 9.6 km/h

      4 reasons to buy Case 521EXR:

      Operation

      Turn radius 4972 mm and 6320 mm 21 % less or 1348 mm

      Hydraulic system

      Unloading time 1.1 sec and 2.5 sec 56 % less or 1.4 sec

      Gear box

      Forward gears number 4 and 3 25 % more or 1
      Maximum forward speed 35.9 km/h and 30.4 km/h 15 % more or 5.5 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 6870 mm and 6956 mm
      Between tyres width 2515 mm and 2489 mm
      Height to cab upper part 3240 mm and 3277 mm
      Wheelbase 2870 mm and 2750 mm
      Hinge axis maximum height 3730 mm and 3987 mm

      Shovel

      Shovel width 2615 mm and 2550 mm

      Operation

      Working weight 12300 kg and 10633.1 kg
      Rear axle oscillating 24 degrees and 24 degrees
      Tyre size 20.5-25-12PR (L-3) and 17.5 x 25 L3

      Motor

      Manufacturer Komatsu and Case
      Model S6D105 and 445TA/EGE
      Aspiration turbocharging and turbocharging

      Gear box

      Reverse gears number 3 and 3

      Images

      Sizes

      1. Length with bucket on ground level 6870 mm 1. Length with bucket on ground level 6956 mm
      2. Between tyres width 2515 mm 2. Between tyres width 2489 mm
      3. Height to cab upper part 3240 mm 3. Height to cab upper part 3277 mm
      4. Wheelbase 2870 mm 4. Wheelbase 2750 mm
      5. Clearance 435 mm 5. Clearance 377 mm
      6. Hinge axis maximum height 3730 mm 6. Hinge axis maximum height 3987 mm
      8. Radius at maximum lifting and unloading 985 mm 8. Radius at maximum lifting and unloading 938 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2800 mm 7. Unloading ground clearance at maximum lifting 2142 mm