vs.

      Komatsu WA900-3 vs. Caterpillar 990 H

      19 reasons to buy Komatsu WA900-3:

      Sizes

      Clearance 550 mm and 478 mm 13 % more or 72 mm
      Radius at maximum lifting and unloading 2450 mm and 1620 mm 34 % more or 830 mm

      Shovel

      Unloading ground clearance at maximum lifting 4715 mm and 4172 mm 12 % more or 543 mm
      Bucket capacity with top 13 m3 and 8.6 m3 34 % more or 4.4 m3
      Brimmed bucket capacity 11 m3 and 7.3 m3 34 % more or 3.7 m3

      Operation

      Cooling system fluid volume 319 l. and 190 l. 40 % more or 129 l.
      Transmission fluid volume 140 l. and 110 l. 21 % more or 30 l.
      Front axle / differential fluid volume 360 l. and 271 l. 25 % more or 89 l.
      Rear axle / differential fluid volume 360 l. and 261 l. 27 % more or 99 l.
      Static tipping weight 66140 kg and 46453 kg 30 % more or 19687 kg
      Fuel Capacity 1425 l. and 1074 l. 25 % more or 351 l.
      Hydraulic system fluid volume 725 l. and 174 l. 76 % more or 551 l.
      Engine oil volume 132 l. and 95 l. 28 % more or 37 l.

      Motor

      Effective power 636.1 kW and 468 kW 26 % more or 168.1 kW
      Full power 668.9 kW and 512 kW 23 % more or 156.9 kW
      Displacement 30.5 l. and 27.1 l. 11 % more or 3.4 l.

      Hydraulic system

      Unloading time 2 sec and 2.9 sec 31 % less or 0.9 sec

      Gear box

      Maximum forward speed 28 km/h and 22.4 km/h 20 % more or 5.6 km/h
      Maximum reverse gear 28.3 km/h and 24.8 km/h 12 % more or 3.5 km/h

      6 reasons to buy Caterpillar 990 H:

      Shovel

      Breakout power 594 kN and 665.9 kN 11 % less or 71.9 kN

      Operation

      Turn radius 10253.5 mm and 11065 mm 7 % less or 811.5 mm
      Generator current strength 80 amperes and 75 amperes 6 % more or 5 amperes

      Hydraulic system

      Pump bandwidth 650 l/min and 405 l/min 38 % more or 245 l/min
      Lifting time 9.2 sec and 11.2 sec 18 % less or 2.0 sec
      Lowering time 3.8 sec and 4.8 sec 21 % less or 1.0 sec

      Neutral reasons:

      Sizes

      Length with bucket on ground level 14430 mm and 12555 mm
      Between tyres width 4585 mm and 4183 mm
      Height to cab upper part 5275 mm and 5070 mm
      Wheelbase 5450 mm and 4600 mm
      Hinge axis maximum height 6960 mm and 6432 mm

      Shovel

      Shovel width 4815 mm and 4450 mm

      Operation

      Operating voltage 24 V and 24 V
      Rear axle oscillating 22 degrees and 22 degrees
      Tyre size 45/64-45 and 41.25 / 70
      Working weight 102880 kg and 77842 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA12V140ZE-2 and C27 MEUI ACERT
      Power measured at 2000 rev / min and 2000 rev / min

      Hydraulic system

      Overflow valve pressure 34315.2 kPa and 31000 kPa

      Gear box

      Transmission type powershift transmission and powershift transmission
      Forward gears number 3 and 3
      Reverse gears number 3 and 3

      Images

      Sizes

      1. Length with bucket on ground level 14430 mm 1. Length with bucket on ground level 12555 mm
      2. Between tyres width 4585 mm 2. Between tyres width 4183 mm
      3. Height to cab upper part 5275 mm 3. Height to cab upper part 5070 mm
      4. Wheelbase 5450 mm 4. Wheelbase 4600 mm
      5. Clearance 550 mm 5. Clearance 478 mm
      6. Hinge axis maximum height 6960 mm 6. Hinge axis maximum height 6432 mm
      8. Radius at maximum lifting and unloading 2450 mm 8. Radius at maximum lifting and unloading 1620 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 4715 mm 7. Unloading ground clearance at maximum lifting 4172 mm