vs.

      John Deere 724J High-Lift vs. John Deere 644K Z-Bar

      15 reasons to buy John Deere 724J High-Lift:

      Sizes

      Clearance 450 mm and 408 mm 9 % more or 42 mm

      Shovel

      Breakout power 136.2 kN and 150.8 kN 10 % less or 14.6 kN
      Unloading ground clearance at maximum lifting 3370 mm and 2860 mm 15 % more or 510 mm
      Bucket capacity with top 3.4 m3 and 3.2 m3 6 % more or 0.2 m3

      Operation

      Turn radius 5500 mm and 5570 mm 1 % less or 70 mm
      Fuel Capacity 379 l. and 352 l. 7 % more or 27 l.
      Hydraulic system fluid volume 117 l. and 110 l. 6 % more or 7 l.
      Engine oil volume 25 l. and 24.5 l. 2 % more or 0.5 l.
      Cooling system fluid volume 31 l. and 29.5 l. 5 % more or 1.5 l.
      Transmission fluid volume 26 l. and 23 l. 12 % more or 3 l.

      Motor

      Power measured at 2200 rev / min and 1700 rev / min 23 % more or 500 rev
      Maximum torque 1037 Nm and 1016 Nm 2 % more or 21 Nm
      Displacement 8.1 l. and 6.8 l. 16 % more or 1.3 l.

      Hydraulic system

      Unloading time 1.2 sec and 1.4 sec 14 % less or 0.2 sec

      Gear box

      Maximum reverse gear 25 km/h and 24.9 km/h 0 % more or 0.1 km/h

      7 reasons to buy John Deere 644K Z-Bar:

      Operation

      Static tipping weight 15230 kg and 12443 kg 18 % more or 2787 kg

      Motor

      Effective power 173 kW and 160 kW 8 % more or 13 kW
      Torque increase 55 % and 49 % 11 % more or 6 %
      Torque measured at 1400 rev / min and 1300 rev / min 7 % more or 100 rev

      Hydraulic system

      Pump bandwidth 310 l/min and 280 l/min 10 % more or 30 l/min
      Lifting time 5.5 sec and 6 sec 8 % less or 0.5 sec

      Gear box

      Maximum forward speed 36.6 km/h and 35.4 km/h 3 % more or 1.2 km/h

      Neutral reasons:

      Sizes

      Height to cab upper part 3400 mm and 3380 mm
      Length with bucket on ground level 8590 mm and 8140 mm
      Wheelbase 3200 mm and 3260 mm
      Between tyres width 2770 mm and 2875 mm
      Hinge axis maximum height 4570 mm and 4070 mm

      Shovel

      Shovel width 2900 mm and 3040 mm

      Operation

      Rear axle oscillating 26 degrees and 26 degrees
      Tyre size 23.5 R25 and 23.5 R25
      Operating voltage 24 V and 24 V
      Generator current strength 80 amperes and 80 amperes
      Working weight 18448 kg and 18160 kg
      Front axle / differential fluid volume 22 l. and 22 l.
      Rear axle / differential fluid volume 22 l. and 22 l.

      Motor

      Cylinders number 6 and 6
      Aspiration Turbocharger with charge air cooler by oncoming air flow and Turbocharger with charge air cooler by oncoming air flow
      Manufacturer John Deere and John Deere
      Model 6081h and 6068H, III Level III certified

      Hydraulic system

      Lowering time 3 sec and 3 sec
      Type of pump variable displacement axial piston pump and variable displacement axial piston pump
      Overflow valve pressure 24800 kPa and 25165.8 kPa

      Gear box

      Transmission type automatic transmission system with power gear shifting and Powershift transmission of intermediate type
      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      1. Length with bucket on ground level 8590 mm 1. Length with bucket on ground level 8140 mm
      2. Between tyres width 2770 mm 2. Between tyres width 2875 mm
      3. Height to cab upper part 3400 mm 3. Height to cab upper part 3380 mm
      4. Wheelbase 3200 mm 4. Wheelbase 3260 mm
      5. Clearance 450 mm 5. Clearance 408 mm
      6. Hinge axis maximum height 4570 mm 6. Hinge axis maximum height 4070 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3370 mm 7. Unloading ground clearance at maximum lifting 2860 mm