vs.

      Caterpillar 904B vs. John Deere 644G

      5 reasons to buy Caterpillar 904B:

      Shovel

      Breakout power 35.6 kN and 157.1 kN 77 % less or 121.5 kN

      Operation

      Static bucket tipping load 2979.2 kg and 11896.8 kg 75 % less or 8917.6 kg
      Turn radius 3850 mm and 5460 mm 29 % less or 1610 mm

      Hydraulic system

      Lifting time 4.5 sec and 6.2 sec 27 % less or 1.7 sec
      Lowering time 3.2 sec and 3.5 sec 9 % less or 0.3 sec

      14 reasons to buy John Deere 644G:

      Sizes

      Clearance 483 mm and 245 mm 49 % more or 238 mm
      Unloading ground clearance at maximum lifting 2871 mm and 2390 mm 17 % more or 481 mm
      Radius at maximum height and unloading 1138 mm and 658 mm 42 % more or 480 mm
      Maximum lifting height 3818 mm and 3085 mm 19 % more or 733 mm

      Operation

      Hydraulic system fluid volume 115 l. and 43 l. 63 % more or 72 l.
      Fuel Capacity 284 l. and 83 l. 71 % more or 201 l.
      Cooling system fluid volume 28.5 l. and 8 l. 72 % more or 20.5 l.
      Engine oil volume 24 l. and 7.5 l. 69 % more or 16.5 l.

      Motor

      Full power 133 kW and 41 kW 69 % more or 92 kW
      Effective power 127 kW and 38.8 kW 69 % more or 88.2 kW

      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 34.6 km/h and 20 km/h 42 % more or 14.6 km/h
      Maximum reverse gear 22 km/h and 20 km/h 9 % more or 2 km/h

      Neutral reasons:

      Sizes

      Height to cab upper part 2390 mm and 3420 mm
      Wheelbase 1900 mm and 3200 mm
      Length with bucket on ground level 4730 mm and 7830 mm
      Length with forks on ground level 5300 mm and 8287 mm

      Operation

      Rear axle oscillating 8 degrees and 26 degrees
      Tyre size 12x16.5 and 20.5-25
      Working weight 4449.7 kg and 15980 kg

      Motor

      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Model MHI S4Q2 turbo and 6076A

      Hydraulic system

      Overflow valve pressure 20684.3 kPa and 20684.3 kPa

      Gear box

      Transmission type 2-speed hydrostatic transmission with one power flow and powershift

      Images

      Sizes

      10. Length with forks on ground level 5300 mm 10. Length with forks on ground level 8287 mm
      11. Maximum lifting height 3085 mm 11. Maximum lifting height 3818 mm
      1. Length with bucket on ground level 4730 mm 1. Length with bucket on ground level 7830 mm
      3. Height to cab upper part 2390 mm 3. Height to cab upper part 3420 mm
      4. Wheelbase 1900 mm 4. Wheelbase 3200 mm
      5. Clearance 245 mm 5. Clearance 483 mm
      7. Unloading ground clearance at maximum lifting 2390 mm 7. Unloading ground clearance at maximum lifting 2871 mm