vs.

      John Deere 644EH vs. Komatsu WA180-3PT

      17 reasons to buy John Deere 644EH:

      Sizes

      Clearance 500 mm and 425 mm 15 % more or 75 mm

      Shovel

      Unloading ground clearance at maximum lifting 2911 mm and 2620 mm 10 % more or 291 mm
      Bucket capacity with top 2.9 m3 and 1.6 m3 45 % more or 1.3 m3

      Operation

      Front axle / differential fluid volume 23 l. and 14 l. 39 % more or 9 l.
      Rear axle / differential fluid volume 23 l. and 14 l. 39 % more or 9 l.
      Static tipping weight 13352 kg and 6880 kg 48 % more or 6472 kg
      Turn radius 5420 mm and 5570 mm 3 % less or 150 mm
      Generator current strength 65 amperes and 50 amperes 23 % more or 15 amperes
      Fuel Capacity 284 l. and 170 l. 40 % more or 114 l.
      Hydraulic system fluid volume 115 l. and 41 l. 64 % more or 74 l.
      Engine oil volume 24 l. and 19.5 l. 19 % more or 4.5 l.
      Cooling system fluid volume 28.5 l. and 21.5 l. 25 % more or 7.0 l.

      Motor

      Full power 144 kW and 83.5 kW 42 % more or 60.5 kW
      Displacement 7.6 l. and 5.9 l. 22 % more or 1.7 l.
      Maximum torque 705 Nm and 417 Nm 41 % more or 288 Nm

      Hydraulic system

      Pump bandwidth 247.9 l/min and 144 l/min 42 % more or 103.9 l/min

      Gear box

      Maximum forward speed 41 km/h and 34.5 km/h 16 % more or 6.5 km/h

      9 reasons to buy Komatsu WA180-3PT:

      Sizes

      Radius at maximum lifting and unloading 1100 mm and 1003 mm 9 % more or 97 mm

      Shovel

      Breakout power 88 kN and 152.4 kN 42 % less or 64.4 kN

      Operation

      Transmission fluid volume 23.5 l. and 13 l. 45 % more or 10.5 l.

      Motor

      Power measured at 2400 rev / min and 2200 rev / min 8 % more or 200 rev

      Hydraulic system

      Lifting time 5 sec and 6.2 sec 19 % less or 1.2 sec
      Unloading time 1.1 sec and 1.9 sec 42 % less or 0.8 sec
      Lowering time 2.5 sec and 3.5 sec 29 % less or 1.0 sec

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum reverse gear 35 km/h and 26.4 km/h 25 % more or 8.6 km/h

      Neutral reasons:

      Sizes

      Hinge axis maximum height 4010 mm and 3760 mm
      Between tyres width 2729 mm and 2500 mm
      Height to cab upper part 3400 mm and 5060 mm
      Wheelbase 3200 mm and 2700 mm
      Length with bucket on ground level 7850 mm and 7070 mm

      Shovel

      Shovel width 2900 mm and 2500 mm

      Operation

      Operating voltage 12 V and 24 V
      Rear axle oscillating 26 degrees and 24 degrees
      Tyre size 20.5-25 and 17.5 R 25
      Working weight 16015 kg and 10245 kg

      Motor

      Manufacturer John Deere and Komatsu
      Model 6076A and S6D102-E1
      Cylinders number 6 and 6
      Aspiration turbocharging and turbocharging

      Hydraulic system

      Overflow valve pressure 19650 kPa and 21000 kPa

      Gear box

      Transmission type powershift and Fully automatic, full powershift with downshift system
      Forward gears number 4 and 4

      Images

      Sizes

      1. Length with bucket on ground level 7850 mm 1. Length with bucket on ground level 7070 mm
      2. Between tyres width 2729 mm 2. Between tyres width 2500 mm
      3. Height to cab upper part 3400 mm 3. Height to cab upper part 5060 mm
      4. Wheelbase 3200 mm 4. Wheelbase 2700 mm
      5. Clearance 500 mm 5. Clearance 425 mm
      6. Hinge axis maximum height 4010 mm 6. Hinge axis maximum height 3760 mm
      8. Radius at maximum lifting and unloading 1003 mm 8. Radius at maximum lifting and unloading 1100 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2911 mm 7. Unloading ground clearance at maximum lifting 2620 mm