vs.

      John Deere 644GH vs. Caterpillar 928Gz

      14 reasons to buy John Deere 644GH:

      Sizes

      Clearance 483 mm and 408 mm 16 % more or 75 mm

      Shovel

      Unloading ground clearance at maximum lifting 2942 mm and 2879 mm 2 % more or 63 mm
      Bucket capacity with top 3.1 m3 and 2 m3 35 % more or 1.1 m3
      Brimmed bucket capacity 2.8 m3 and 1.7 m3 39 % more or 1.1 m3

      Operation

      Engine oil volume 24 l. and 16 l. 33 % more or 8 l.
      Front axle / differential fluid volume 28 l. and 26 l. 7 % more or 2 l.
      Rear axle / differential fluid volume 28 l. and 25 l. 11 % more or 3 l.
      Static tipping weight 13477.1 kg and 9859 kg 27 % more or 3618.1 kg
      Generator current strength 95 amperes and 80 amperes 16 % more or 15 amperes
      Fuel Capacity 284 l. and 225 l. 21 % more or 59 l.

      Motor

      Effective power 138 kW and 108 kW 22 % more or 30 kW
      Full power 146 kW and 117 kW 20 % more or 29 kW
      Displacement 7.6 l. and 6 l. 21 % more or 1.6 l.

      Hydraulic system

      Pump bandwidth 263.1 l/min and 152 l/min 42 % more or 111.1 l/min

      12 reasons to buy Caterpillar 928Gz:

      Sizes

      Radius at maximum lifting and unloading 2879 mm and 1049 mm 64 % more or 1830 mm

      Shovel

      Breakout power 117 kN and 169.2 kN 31 % less or 52.2 kN

      Operation

      Cooling system fluid volume 42 l. and 28.5 l. 32 % more or 13.5 l.
      Transmission fluid volume 34.5 l. and 14 l. 59 % more or 20.5 l.
      Turn radius 5233 mm and 5460 mm 4 % less or 227 mm
      Hydraulic system fluid volume 125 l. and 115 l. 8 % more or 10 l.

      Motor

      Power measured at 2300 rev / min and 2200 rev / min 4 % more or 100 rev

      Hydraulic system

      Lifting time 6.1 sec and 6.2 sec 2 % less or 0.1 sec
      Unloading time 1.2 sec and 1.8 sec 33 % less or 0.6 sec
      Lowering time 2.8 sec and 3.5 sec 20 % less or 0.7 sec

      Gear box

      Maximum forward speed 38 km/h and 34.6 km/h 9 % more or 3.4 km/h
      Maximum reverse gear 26 km/h and 22 km/h 15 % more or 4 km/h

      Neutral reasons:

      Sizes

      Between tyres width 2732 mm and 2504 mm
      Height to cab upper part 3420 mm and 3269 mm
      Wheelbase 3200 mm and 2900 mm
      Length with bucket on ground level 7860 mm and 7252 mm
      Hinge axis maximum height 4000 mm and 3872 mm

      Shovel

      Shovel width 3050 mm and 2549 mm

      Operation

      Operating voltage 12 V and 24 V
      Rear axle oscillating 26 degrees and 11 degrees
      Tyre size 20.5-25 and 20.5-25 R25
      Working weight 16616.9 kg and 12308 kg

      Motor

      Manufacturer John Deere and Caterpillar
      Model 6076A and 3056E DIT ATAAC

      Hydraulic system

      Type of pump gear type pump and fixed displacement vane-type pump
      Overflow valve pressure 20684.3 kPa and 24800 kPa

      Gear box

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

      Images

      Sizes

      1. Length with bucket on ground level 7860 mm 1. Length with bucket on ground level 7252 mm
      2. Between tyres width 2732 mm 2. Between tyres width 2504 mm
      3. Height to cab upper part 3420 mm 3. Height to cab upper part 3269 mm
      4. Wheelbase 3200 mm 4. Wheelbase 2900 mm
      5. Clearance 483 mm 5. Clearance 408 mm
      6. Hinge axis maximum height 4000 mm 6. Hinge axis maximum height 3872 mm
      8. Radius at maximum lifting and unloading 1049 mm 8. Radius at maximum lifting and unloading 2879 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2942 mm 7. Unloading ground clearance at maximum lifting 2879 mm