vs.

      Komatsu WA150-5 vs. Case 521D

      6 reasons to buy Komatsu WA150-5:

      Sizes

      Clearance 425 mm and 377 mm 11 % more or 48 mm

      Operation

      Turn radius 4735 mm and 4947 mm 4 % less or 212 mm

      Hydraulic system

      Lowering time 3.6 sec and 3.7 sec 3 % less or 0.1 sec

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum forward speed 39 km/h and 37.6 km/h 4 % more or 1.4 km/h
      Maximum reverse gear 39 km/h and 24.5 km/h 37 % more or 14.5 km/h

      18 reasons to buy Case 521D:

      Sizes

      Radius at maximum lifting and unloading 1056 mm and 945 mm 11 % more or 111 mm

      Shovel

      Unloading ground clearance at maximum lifting 2757 mm and 2730 mm 1 % more or 27 mm
      Bucket capacity with top 1.9 m3 and 1.5 m3 21 % more or 0.4 m3
      Brimmed bucket capacity 1.6 m3 and 1.3 m3 19 % more or 0.3 m3

      Operation

      Static tipping weight 8357 kg and 7380 kg 12 % more or 977 kg
      Generator current strength 70 amperes and 60 amperes 14 % more or 10 amperes
      Fuel Capacity 189 l. and 133 l. 30 % more or 56 l.
      Hydraulic system fluid volume 113.6 l. and 4.5 l. 96 % more or 109.1 l.
      Cooling system fluid volume 22 l. and 17 l. 23 % more or 5 l.
      Transmission fluid volume 18.9 l. and 4.4 l. 77 % more or 14.5 l.
      Front axle / differential fluid volume 22 l. and 14 l. 36 % more or 8 l.
      Rear axle / differential fluid volume 22 l. and 14.4 l. 35 % more or 7.6 l.

      Motor

      Full power 89 kW and 70.8 kW 20 % more or 18.2 kW
      Displacement 4.5 l. and 3.9 l. 13 % more or 0.6 l.
      Torque measured at 1400 rev / min and 1300 rev / min 7 % more or 100 rev
      Maximum torque 455 Nm and 402 Nm 12 % more or 53 Nm

      Hydraulic system

      Pump bandwidth 134 l/min and 123 l/min 8 % more or 11 l/min
      Lifting time 5.6 sec and 5.8 sec 3 % less or 0.2 sec

      Neutral reasons:

      Sizes

      Length with bucket on ground level 6315 mm and 6707 mm
      Between tyres width 2220 mm and 2308 mm
      Height to cab upper part 3065 mm and 3173 mm
      Wheelbase 2600 mm and 2750 mm
      Hinge axis maximum height 3500 mm and 3603 mm

      Shovel

      Shovel width 2395 mm and 2468 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 8370 kg and 10028 kg
      Rear axle oscillating 30 degrees and 24 degrees
      Tyre size 17.5R25 and 17.5x25
      Engine oil volume 12.5 l. and 12.5 l.

      Motor

      Model SAA4D102E-2 and Family III 445TA/M2, 2 level
      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Power measured at 2000 rev / min and 2000 rev / min
      Cylinders number 4 and 4
      Manufacturer Komatsu and Case

      Hydraulic system

      Type of pump gear and in the middle position with locking with pressure / flow compensation
      Overflow valve pressure 21000 kPa and 18961 kPa
      Unloading time 1.1 sec and 1.1 sec

      Gear box

      Transmission type Hydro-Static Transmission and 4 forward / 3 reverse gears proportional with electronic control module
      Forward gears number 4 and 4

      Images

      Sizes

      1. Length with bucket on ground level 6315 mm 1. Length with bucket on ground level 6707 mm
      2. Between tyres width 2220 mm 2. Between tyres width 2308 mm
      3. Height to cab upper part 3065 mm 3. Height to cab upper part 3173 mm
      4. Wheelbase 2600 mm 4. Wheelbase 2750 mm
      5. Clearance 425 mm 5. Clearance 377 mm
      6. Hinge axis maximum height 3500 mm 6. Hinge axis maximum height 3603 mm
      8. Radius at maximum lifting and unloading 945 mm 8. Radius at maximum lifting and unloading 1056 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2730 mm 7. Unloading ground clearance at maximum lifting 2757 mm