vs.

      John Deere 644H MH vs. Zettelmeyer ZL502B

      19 reasons to buy John Deere 644H MH:

      Sizes

      Clearance 473 mm and 450 mm 5 % more or 23 mm
      Radius at maximum lifting and unloading 1055 mm and 790 mm 25 % more or 265 mm

      Shovel

      Unloading ground clearance at maximum lifting 2962 mm and 2500 mm 16 % more or 462 mm

      Operation

      Hydraulic system fluid volume 117 l. and 60 l. 49 % more or 57 l.
      Front axle / differential fluid volume 27 l. and 10 l. 63 % more or 17 l.
      Engine oil volume 25 l. and 10.5 l. 58 % more or 14.5 l.
      Rear axle / differential fluid volume 27 l. and 11 l. 59 % more or 16 l.
      Static tipping weight 14019 kg and 3120.7 kg 78 % more or 10898.3 kg
      Fuel Capacity 341 l. and 60 l. 82 % more or 281 l.

      Motor

      Effective power 134 kW and 35 kW 74 % more or 99 kW
      Full power 158 kW and 36 kW 77 % more or 122 kW
      Displacement 8.1 l. and 2.7 l. 67 % more or 5.4 l.
      Maximum torque 1010.1 Nm and 129 Nm 87 % more or 881.1 Nm
      Cylinders number 6 and 4 33 % more or 2

      Hydraulic system

      Pump bandwidth 280 l/min and 45 l/min 84 % more or 235 l/min

      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 39 km/h and 20 km/h 49 % more or 19 km/h
      Maximum reverse gear 26.7 km/h and 20 km/h 25 % more or 6.7 km/h

      6 reasons to buy Zettelmeyer ZL502B:

      Shovel

      Breakout power 38.5 kN and 152.8 kN 75 % less or 114.3 kN

      Operation

      Turn radius 4065 mm and 5500 mm 26 % less or 1435 mm
      Generator current strength 60 amperes and 55 amperes 8 % more or 5 amperes

      Motor

      Power measured at 2800 rev / min and 2200 rev / min 21 % more or 600 rev
      Torque measured at 1800 rev / min and 1300 rev / min 28 % more or 500 rev

      Hydraulic system

      Unloading time 1 sec and 1.2 sec 17 % less or 0.2 sec

      Neutral reasons:

      Sizes

      Height to cab upper part 3412 mm and 2585 mm
      Wheelbase 3200 mm and 2000 mm
      Hinge axis maximum height 4156 mm and 3090 mm
      Between tyres width 2874 mm and 1730 mm
      Length with bucket on ground level 7815 mm and 4990 mm

      Shovel

      Shovel width 3040 mm and 1750 mm

      Operation

      Operating voltage 24 V and 12 V
      Rear axle oscillating 26 degrees and 20 degrees
      Tyre size 23.5-25 and 12.5-18
      Working weight 17657 kg and 4195.7 kg

      Motor

      Model 6081H and KHD F4L 1011 F
      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and natural aspiration

      Hydraulic system

      Lifting time 6 sec and 6 sec
      Lowering time 3 sec and 3 sec
      Overflow valve pressure 24850 kPa and 22001.2 kPa

      Gear box

      Transmission type powershift and hydrostatic powershift transmission

      Images

      Sizes

      2. Between tyres width 2874 mm 2. Between tyres width 1730 mm
      3. Height to cab upper part 3412 mm 3. Height to cab upper part 2585 mm
      4. Wheelbase 3200 mm 4. Wheelbase 2000 mm
      5. Clearance 473 mm 5. Clearance 450 mm
      6. Hinge axis maximum height 4156 mm 6. Hinge axis maximum height 3090 mm
      8. Radius at maximum lifting and unloading 1055 mm 8. Radius at maximum lifting and unloading 790 mm
      1. Length with bucket on ground level 7815 mm 1. Length with bucket on ground level 4990 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2962 mm 7. Unloading ground clearance at maximum lifting 2500 mm