vs.

      John Deere 644E vs. Komatsu WA50-3

      17 reasons to buy John Deere 644E:

      Sizes

      Clearance 500 mm and 310 mm 38 % more or 190 mm
      Radius at maximum lifting and unloading 940 mm and 900 mm 4 % more or 40 mm

      Shovel

      Breakout power 164.9 kN and 3050 kN 95 % less or 2885.1 kN
      Unloading ground clearance at maximum lifting 2975 mm and 2140 mm 28 % more or 835 mm

      Operation

      Fuel Capacity 284 l. and 42 l. 85 % more or 242 l.
      Hydraulic system fluid volume 115 l. and 28 l. 76 % more or 87 l.
      Engine oil volume 24 l. and 4.7 l. 80 % more or 19.3 l.
      Cooling system fluid volume 28.5 l. and 5.8 l. 80 % more or 22.7 l.
      Front axle / differential fluid volume 23 l. and 9.3 l. 60 % more or 13.7 l.
      Rear axle / differential fluid volume 23 l. and 9.3 l. 60 % more or 13.7 l.
      Static tipping weight 12329 kg and 2550 kg 79 % more or 9779 kg

      Motor

      Effective power 119.3 kW and 27.2 kW 77 % more or 92.1 kW
      Displacement 7.6 l. and 1.5 l. 80 % more or 6.1 l.
      Cylinders number 6 and 3 50 % more or 3

      Hydraulic system

      Pump bandwidth 247.9 l/min and 43 l/min 83 % more or 204.9 l/min

      Gear box

      Maximum forward speed 41 km/h and 15 km/h 63 % more or 26 km/h
      Maximum reverse gear 26.4 km/h and 15 km/h 43 % more or 11.4 km/h

      5 reasons to buy Komatsu WA50-3:

      Operation

      Turn radius 3210 mm and 5420 mm 41 % less or 2210 mm

      Motor

      Power measured at 2500 rev / min and 2200 rev / min 12 % more or 300 rev

      Hydraulic system

      Lifting time 4.6 sec and 6.2 sec 26 % less or 1.6 sec
      Unloading time 1 sec and 1.8 sec 44 % less or 0.8 sec
      Lowering time 2.8 sec and 3.5 sec 20 % less or 0.7 sec

      Neutral reasons:

      Sizes

      Wheelbase 3200 mm and 1850 mm
      Hinge axis maximum height 4000 mm and 3115 mm
      Height to cab upper part 3400 mm and 2500 mm
      Length with bucket on ground level 7680 mm and 4550 mm
      Between tyres width 2652 mm and 1655 mm

      Shovel

      Shovel width 2780 mm and 1690 mm

      Operation

      Working weight 15471 kg and 3720 kg

      Motor

      Manufacturer John Deere and Komatsu
      Model 6466T and S3D84E-3B
      Aspiration turbocharging and turbocharging

      Hydraulic system

      Overflow valve pressure 19650 kPa and 0 kPa

      Gear box

      Transmission type powershift and Hydro-Static Transmission

      Images

      Sizes

      1. Length with bucket on ground level 7680 mm 1. Length with bucket on ground level 4550 mm
      2. Between tyres width 2652 mm 2. Between tyres width 1655 mm
      3. Height to cab upper part 3400 mm 3. Height to cab upper part 2500 mm
      4. Wheelbase 3200 mm 4. Wheelbase 1850 mm
      5. Clearance 500 mm 5. Clearance 310 mm
      6. Hinge axis maximum height 4000 mm 6. Hinge axis maximum height 3115 mm
      8. Radius at maximum lifting and unloading 940 mm 8. Radius at maximum lifting and unloading 900 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2975 mm 7. Unloading ground clearance at maximum lifting 2140 mm