vs.

      Komatsu W90-3 vs. Case 1121F

      4 reasons to buy Komatsu W90-3:

      Operation

      Turn radius 6320 mm and 7135 mm 11 % less or 815 mm

      Hydraulic system

      Lowering time 2.5 sec and 2.6 sec 4 % less or 0.1 sec
      Lifting time 5.3 sec and 6.5 sec 18 % less or 1.2 sec

      Gear box

      Maximum reverse gear 32.3 km/h and 25.9 km/h 20 % more or 6.4 km/h

      12 reasons to buy Case 1121F:

      Sizes

      Clearance 509 mm and 435 mm 15 % more or 74 mm
      Radius at maximum lifting and unloading 1157 mm and 985 mm 15 % more or 172 mm

      Shovel

      Unloading ground clearance at maximum lifting 3299 mm and 2800 mm 15 % more or 499 mm
      Bucket capacity with top 4 m3 and 2.3 m3 42 % more or 1.7 m3

      Operation

      Static tipping weight 21149.7 kg and 9700 kg 54 % more or 11449.7 kg
      Fuel Capacity 473.2 l. and 226 l. 52 % more or 247.2 l.
      Cooling system fluid volume 56.8 l. and 38 l. 33 % more or 18.8 l.

      Motor

      Full power 258.8 kW and 117.1 kW 55 % more or 141.7 kW
      Displacement 8.7 l. and 6.5 l. 25 % more or 2.2 l.

      Hydraulic system

      Unloading time 1.4 sec and 2.5 sec 44 % less or 1.1 sec

      Gear box

      Forward gears number 4 and 3 25 % more or 1
      Maximum forward speed 37.3 km/h and 30.4 km/h 18 % more or 6.9 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 6870 mm and 8967 mm
      Between tyres width 2515 mm and 2990 mm
      Height to cab upper part 3240 mm and 3573 mm
      Wheelbase 2870 mm and 3550 mm
      Hinge axis maximum height 3730 mm and 4443 mm

      Shovel

      Shovel width 2615 mm and 3195 mm

      Operation

      Working weight 12300 kg and 27024.1 kg
      Tyre size 20.5-25-12PR (L-3) and 26.5R25

      Motor

      Aspiration turbocharging and turbocharging
      Manufacturer Komatsu and Case
      Model S6D105 and F2CFE614B

      Gear box

      Reverse gears number 3 and 3

      Images

      Sizes

      4. Wheelbase 2870 mm 4. Wheelbase 3550 mm
      5. Clearance 435 mm 5. Clearance 509 mm
      6. Hinge axis maximum height 3730 mm 6. Hinge axis maximum height 4443 mm
      8. Radius at maximum lifting and unloading 985 mm 8. Radius at maximum lifting and unloading 1157 mm
      1. Length with bucket on ground level 6870 mm 1. Length with bucket on ground level 8967 mm
      2. Between tyres width 2515 mm 2. Between tyres width 2990 mm
      3. Height to cab upper part 3240 mm 3. Height to cab upper part 3573 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2800 mm 7. Unloading ground clearance at maximum lifting 3299 mm