vs.

      Komatsu WA80-5 vs. Case 721C

      6 reasons to buy Komatsu WA80-5:

      Shovel

      Breakout power 10164 pound and 35005 pound 71 % less or 24841 pound

      Operation

      Turn radius 3825 mm and 5250 mm 27 % less or 1425 mm

      Motor

      Power measured at 2350 rev / min and 2200 rev / min 6 % more or 150 rev

      Hydraulic system

      Lowering time 2.8 sec and 5.1 sec 45 % less or 2.3 sec
      Lifting time 4.9 sec and 5.4 sec 9 % less or 0.5 sec

      Gear box

      Maximum reverse gear 30 km/h and 27.5 km/h 8 % more or 2.5 km/h

      15 reasons to buy Case 721C:

      Sizes

      Clearance 419 mm and 300 mm 28 % more or 119 mm

      Shovel

      Unloading ground clearance at maximum lifting 3010 mm and 2425 mm 19 % more or 585 mm

      Operation

      Hydraulic system fluid volume 153.3 l. and 30 l. 80 % more or 123.3 l.
      Engine oil volume 20.8 l. and 7.5 l. 64 % more or 13.3 l.
      Cooling system fluid volume 32.2 l. and 9.1 l. 72 % more or 23.1 l.
      Front axle / differential fluid volume 28 l. and 8.6 l. 69 % more or 19.4 l.
      Rear axle / differential fluid volume 22 l. and 8.6 l. 61 % more or 13.4 l.
      Static tipping weight 10533 kg and 4325 kg 59 % more or 6208 kg
      Fuel Capacity 204 l. and 84 l. 59 % more or 120 l.

      Motor

      Displacement 8.3 l. and 3.3 l. 60 % more or 5.0 l.
      Cylinders number 6 and 4 33 % more or 2
      Effective power 113.3 kW and 45 kW 60 % more or 68.3 kW

      Gear box

      Forward gears number 4 and 2 50 % more or 2
      Reverse gears number 3 and 2 33 % more or 1
      Maximum forward speed 38.9 km/h and 30 km/h 23 % more or 8.9 km/h

      Neutral reasons:

      Sizes

      Between tyres width 1875 mm and 2530 mm
      Height to cab upper part 2665 mm and 3260 mm
      Hinge axis maximum height 3210 mm and 3810 mm
      Wheelbase 2200 mm and 2900 mm
      Length with bucket on ground level 5480 mm and 6890 mm

      Shovel

      Shovel width 1915 mm and 2620 mm

      Operation

      Working weight 5640 kg and 13439.9 kg

      Motor

      Aspiration natural aspiration and turbocharging
      Manufacturer Komatsu and Case
      Model 4D95-LE3 and 6T-830

      Hydraulic system

      Type of pump Open hydraulic system and pumps with twin vanes
      Overflow valve pressure 0 kPa and 132.9 kPa

      Gear box

      Transmission type Hydrostatic transmission, switchable in all directions under full load and 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating

      Images

      Sizes

      1. Length with bucket on ground level 5480 mm 1. Length with bucket on ground level 6890 mm
      2. Between tyres width 1875 mm 2. Between tyres width 2530 mm
      3. Height to cab upper part 2665 mm 3. Height to cab upper part 3260 mm
      4. Wheelbase 2200 mm 4. Wheelbase 2900 mm
      5. Clearance 300 mm 5. Clearance 419 mm
      6. Hinge axis maximum height 3210 mm 6. Hinge axis maximum height 3810 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2425 mm 7. Unloading ground clearance at maximum lifting 3010 mm