vs.

      John Deere 544E vs. John Deere 644E with coupling

      7 reasons to buy John Deere 544E:

      Shovel

      Breakout power 100 kN and 156.1 kN 36 % less or 56.1 kN

      Operation

      Turn radius 4950 mm and 5420 mm 9 % less or 470 mm

      Motor

      Torque measured at 1500 rev / min and 1400 rev / min 7 % more or 100 rev

      Hydraulic system

      Lifting time 5.8 sec and 6.2 sec 6 % less or 0.4 sec
      Unloading time 1.4 sec and 1.8 sec 22 % less or 0.4 sec
      Lowering time 3.2 sec and 3.5 sec 9 % less or 0.3 sec

      Gear box

      Maximum reverse gear 27.7 km/h and 26.4 km/h 5 % more or 1.3 km/h

      19 reasons to buy John Deere 644E with coupling:

      Sizes

      Clearance 500 mm and 390 mm 22 % more or 110 mm
      Radius at maximum lifting and unloading 984 mm and 853 mm 13 % more or 131 mm

      Shovel

      Bucket capacity with top 2.5 m3 and 1.6 m3 36 % more or 0.9 m3
      Brimmed bucket capacity 2.1 m3 and 1.4 m3 33 % more or 0.7 m3
      Unloading ground clearance at maximum lifting 2936 mm and 2789 mm 5 % more or 147 mm

      Operation

      Fuel Capacity 284 l. and 208.2 l. 27 % more or 75.8 l.
      Hydraulic system fluid volume 115 l. and 76 l. 34 % more or 39 l.
      Engine oil volume 24 l. and 19 l. 21 % more or 5 l.
      Cooling system fluid volume 28.5 l. and 24 l. 16 % more or 4.5 l.
      Transmission fluid volume 13 l. and 9.5 l. 27 % more or 3.5 l.
      Front axle / differential fluid volume 23 l. and 16 l. 30 % more or 7 l.
      Rear axle / differential fluid volume 23 l. and 16 l. 30 % more or 7 l.
      Static tipping weight 11771 kg and 6745.8 kg 43 % more or 5025.2 kg

      Motor

      Displacement 7.6 l. and 5.9 l. 22 % more or 1.7 l.
      Maximum torque 691.5 Nm and 465 Nm 33 % more or 226.5 Nm
      Effective power 119.3 kW and 85.8 kW 28 % more or 33.5 kW
      Full power 125.3 kW and 89.5 kW 29 % more or 35.8 kW

      Hydraulic system

      Pump bandwidth 247.9 l/min and 175.3 l/min 29 % more or 72.6 l/min

      Gear box

      Maximum forward speed 41 km/h and 39.5 km/h 4 % more or 1.5 km/h

      Neutral reasons:

      Sizes

      Height to cab upper part 3140 mm and 3400 mm
      Wheelbase 2896 mm and 3200 mm
      Length with bucket on ground level 6880 mm and 7740 mm
      Hinge axis maximum height 3720 mm and 4014.2 mm
      Between tyres width 2420 mm and 2652 mm

      Shovel

      Shovel width 2550 mm and 2780 mm

      Operation

      Generator current strength 65 amperes and 65 amperes
      Rear axle oscillating 22 degrees and 26 degrees
      Tyre size 17.5-25 and 20.5-25
      Working weight 10712.9 kg and 15852.1 kg
      Operating voltage 12 V and 12 V

      Motor

      Cylinders number 6 and 6
      Aspiration turbocharging and turbocharging
      Manufacturer John Deere and John Deere
      Model 6059T and 6076T
      Power measured at 2200 rev / min and 2200 rev / min

      Hydraulic system

      Type of pump gear type pump and gear type pump
      Overflow valve pressure 18960.6 kPa and 19650 kPa

      Gear box

      Transmission type powershift transmission and powershift
      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      2. Between tyres width 2420 mm 2. Between tyres width 2652 mm
      3. Height to cab upper part 3140 mm 3. Height to cab upper part 3400 mm
      4. Wheelbase 2896 mm 4. Wheelbase 3200 mm
      5. Clearance 390 mm 5. Clearance 500 mm
      6. Hinge axis maximum height 3720 mm 6. Hinge axis maximum height 4014.2 mm
      8. Radius at maximum lifting and unloading 853 mm 8. Radius at maximum lifting and unloading 984 mm
      1. Length with bucket on ground level 6880 mm 1. Length with bucket on ground level 7740 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2789 mm 7. Unloading ground clearance at maximum lifting 2936 mm