vs.

      John Deere 644G vs. Michigan L90

      19 reasons to buy John Deere 644G:

      Sizes

      Radius at maximum height and unloading 1138 mm and 1050 mm 8 % more or 88 mm
      Clearance 483 mm and 400 mm 17 % more or 83 mm
      Fork tines length 1372 mm and 1225 mm 11 % more or 147 mm
      Maximum lifting height 3818 mm and 3675 mm 4 % more or 143 mm
      Unloading ground clearance at maximum lifting 2871 mm and 2810 mm 2 % more or 61 mm
      Hook radius at maximum lifting in folded state 2092 mm and 2030 mm 3 % more or 62 mm
      Hook radius at maximum lifting in unfolded state 3527 mm and 2720 mm 23 % more or 807 mm

      Shovel

      Bucket capacity with top 2.9 m3 and 2.5 m3 14 % more or 0.4 m3
      Brimmed bucket capacity 2.4 m3 and 2.1 m3 12 % more or 0.3 m3

      Operation

      Fuel Capacity 284 l. and 185 l. 35 % more or 99 l.
      Engine oil volume 24 l. and 17 l. 29 % more or 7 l.
      Turn radius 5460 mm and 5835 mm 6 % less or 375 mm
      Generator current strength 95 amperes and 55 amperes 42 % more or 40 amperes

      Motor

      Displacement 7.6 l. and 5.5 l. 28 % more or 2.1 l.
      Full power 133 kW and 116.3 kW 13 % more or 16.7 kW
      Effective power 127 kW and 108.1 kW 15 % more or 18.9 kW
      Maximum torque 811 Nm and 549.1 Nm 32 % more or 261.9 Nm

      Hydraulic system

      Pump bandwidth 263.1 l/min and 202 l/min 23 % more or 61.1 l/min
      Lifting time 6.2 sec and 6.6 sec 6 % less or 0.4 sec

      16 reasons to buy Michigan L90:

      Sizes

      Hook height at maximum lifting in folded state 6135 mm and 5732 mm 7 % more or 403 mm
      Hook height at maximum lifting in unfolded state 7090 mm and 6985 mm 1 % more or 105 mm

      Shovel

      Breakout power 119 kN and 157.1 kN 24 % less or 38.1 kN

      Operation

      Manipulator static tipping load 2200 kg and 6028.2 kg 64 % less or 3828.2 kg
      Cooling system fluid volume 53 l. and 28.5 l. 46 % more or 24.5 l.
      Transmission fluid volume 33 l. and 14 l. 58 % more or 19 l.
      Front differential fluid volume 32.5 l. and 28.4 l. 13 % more or 4.1 l.
      Rear differential fluid volume 29.5 l. and 28.4 l. 4 % more or 1.1 l.
      Hydraulic system fluid volume 140 l. and 115 l. 18 % more or 25 l.
      Static bucket tipping load 9870.2 kg and 11896.8 kg 17 % less or 2026.6 kg
      Static tipping forks load 5000 kg and 8278.5 kg 40 % less or 3278.5 kg

      Motor

      Torque measured at 1400 rev / min and 1300 rev / min 7 % more or 100 rev

      Hydraulic system

      Unloading time 1.5 sec and 1.8 sec 17 % less or 0.3 sec
      Lowering time 2.8 sec and 3.5 sec 20 % less or 0.7 sec

      Gear box

      Maximum forward speed 40.1 km/h and 34.6 km/h 14 % more or 5.5 km/h
      Maximum reverse gear 29 km/h and 22 km/h 24 % more or 7 km/h

      Neutral reasons:

      Sizes

      Between tyres width 2743 mm and 2490 mm
      Wheelbase 3200 mm and 3000 mm
      Height to cab upper part 3420 mm and 3030 mm
      Hinge axis maximum height 4000 mm and 3810 mm
      Length with forks on ground level 8287 mm and 7185 mm
      Length with bucket on ground level 7830 mm and 7170 mm

      Operation

      Tyre size 20.5-25 and 20.5R25
      Working weight 15980 kg and 12945.5 kg
      Operating voltage 12 V and 24 V
      Rear axle oscillating 26 degrees and 30 degrees

      Motor

      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging
      Manufacturer John Deere and Volvo
      Model 6076A and TD61G
      Power measured at 2200 rev / min and 2200 rev / min
      Cylinders number 6 and 6

      Hydraulic system

      Type of pump gear type pump and vane pumps
      Overflow valve pressure 20684.3 kPa and 20511.9 kPa

      Gear box

      Transmission type powershift and Volvo BM HT131
      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      3. Height to cab upper part 3420 mm 3. Height to cab upper part 3030 mm
      4. Wheelbase 3200 mm 4. Wheelbase 3000 mm
      5. Clearance 483 mm 5. Clearance 400 mm
      6. Hinge axis maximum height 4000 mm 6. Hinge axis maximum height 3810 mm
      7. Unloading ground clearance at maximum lifting 2871 mm 7. Unloading ground clearance at maximum lifting 2810 mm
      9. Fork tines length 1372 mm 9. Fork tines length 1225 mm
      10. Length with forks on ground level 8287 mm 10. Length with forks on ground level 7185 mm
      11. Maximum lifting height 3818 mm 11. Maximum lifting height 3675 mm
      12. Hook height at maximum lifting in folded state 5732 mm 12. Hook height at maximum lifting in folded state 6135 mm
      13. Hook height at maximum lifting in unfolded state 6985 mm 13. Hook height at maximum lifting in unfolded state 7090 mm
      14. Hook radius at maximum lifting in folded state 2092 mm 14. Hook radius at maximum lifting in folded state 2030 mm
      15. Hook radius at maximum lifting in unfolded state 3527 mm 15. Hook radius at maximum lifting in unfolded state 2720 mm
      1. Length with bucket on ground level 7830 mm 1. Length with bucket on ground level 7170 mm
      2. Between tyres width 2743 mm 2. Between tyres width 2490 mm