vs.

      John Deere 644J Z-Bar vs. Volvo L180E

      9 reasons to buy John Deere 644J Z-Bar:

      Shovel

      Breakout power 153 kN and 206.5 kN 26 % less or 53.5 kN

      Operation

      Turn radius 5490 mm and 7455 mm 26 % less or 1965 mm
      Generator current strength 80 amperes and 55 amperes 31 % more or 25 amperes

      Motor

      Torque measured at 1400 rev / min and 1200 rev / min 14 % more or 200 rev
      Power measured at 2200 rev / min and 1400 rev / min 36 % more or 800 rev

      Hydraulic system

      Pump bandwidth 257 l/min and 234 l/min 9 % more or 23 l/min
      Lifting time 6.2 sec and 7.2 sec 14 % less or 1.0 sec
      Unloading time 1.4 sec and 2 sec 30 % less or 0.6 sec
      Lowering time 3 sec and 3.7 sec 19 % less or 0.7 sec

      17 reasons to buy Volvo L180E:

      Sizes

      Clearance 440 mm and 434 mm 1 % more or 6 mm
      Radius at maximum lifting and unloading 1450 mm and 1120 mm 23 % more or 330 mm

      Shovel

      Bucket capacity with top 4.6 m3 and 3.2 m3 30 % more or 1.4 m3

      Operation

      Fuel Capacity 370 l. and 352 l. 5 % more or 18 l.
      Hydraulic system fluid volume 156 l. and 117 l. 25 % more or 39 l.
      Engine oil volume 48 l. and 24.5 l. 49 % more or 23.5 l.
      Cooling system fluid volume 70 l. and 29.5 l. 58 % more or 40.5 l.
      Transmission fluid volume 45 l. and 26.5 l. 41 % more or 18.5 l.
      Front axle / differential fluid volume 45 l. and 22 l. 51 % more or 23 l.
      Rear axle / differential fluid volume 55 l. and 22 l. 60 % more or 33 l.
      Static tipping weight 20770 kg and 15594 kg 25 % more or 5176 kg

      Motor

      Maximum torque 1700 Nm and 1016 Nm 40 % more or 684 Nm
      Effective power 223.7 kW and 138 kW 38 % more or 85.7 kW
      Displacement 12 l. and 6.8 l. 43 % more or 5.2 l.

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum forward speed 37.2 km/h and 35.4 km/h 5 % more or 1.8 km/h
      Maximum reverse gear 37.2 km/h and 25 km/h 33 % more or 12.2 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 8050 mm and 9060 mm
      Between tyres width 2875 mm and 2950 mm
      Height to cab upper part 3400 mm and 3580 mm
      Wheelbase 3200 mm and 3550 mm
      Hinge axis maximum height 4140 mm and 4480 mm

      Shovel

      Unloading ground clearance at maximum lifting 2950 mm and 2950 mm
      Shovel width 2895.6 mm and 3230 mm

      Operation

      Rear axle oscillating 26 degrees and 30 degrees
      Working weight 18212 kg and 26400 kg
      Tyre size 23.5 R25 and 26.5R25 L3
      Operating voltage 24 V and 24 V

      Motor

      Cylinders number 6 and 6
      Aspiration Turbocharger with charge air cooler by oncoming air flow and turbocharging
      Manufacturer John Deere and Volvo
      Model 6068H and D12C LC E2

      Hydraulic system

      Overflow valve pressure 24800 kPa and 25000 kPa

      Gear box

      Transmission type automatic powershift and Volvo HTE220
      Forward gears number 4 and 4

      Images

      Sizes

      1. Length with bucket on ground level 8050 mm 1. Length with bucket on ground level 9060 mm
      2. Between tyres width 2875 mm 2. Between tyres width 2950 mm
      3. Height to cab upper part 3400 mm 3. Height to cab upper part 3580 mm
      4. Wheelbase 3200 mm 4. Wheelbase 3550 mm
      5. Clearance 434 mm 5. Clearance 440 mm
      6. Hinge axis maximum height 4140 mm 6. Hinge axis maximum height 4480 mm
      8. Radius at maximum lifting and unloading 1120 mm 8. Radius at maximum lifting and unloading 1450 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2950 mm 7. Unloading ground clearance at maximum lifting 2950 mm