vs.

      Caterpillar 990H vs. John Deere 644E

      17 reasons to buy Caterpillar 990H:

      Sizes

      Radius at maximum lifting and unloading 1799 mm and 940 mm 48 % more or 859 mm

      Shovel

      Unloading ground clearance at maximum lifting 3952 mm and 2975 mm 25 % more or 977 mm
      Bucket capacity with top 8.6 m3 and 2.5 m3 71 % more or 6.1 m3
      Brimmed bucket capacity 7.3 m3 and 2.1 m3 71 % more or 5.2 m3

      Operation

      Rear axle / differential fluid volume 261 l. and 23 l. 91 % more or 238 l.
      Engine oil volume 95 l. and 24 l. 75 % more or 71 l.
      Static tipping weight 43392 kg and 12329 kg 72 % more or 31063 kg
      Cooling system fluid volume 190 l. and 28.5 l. 85 % more or 161.5 l.
      Transmission fluid volume 110 l. and 14 l. 87 % more or 96 l.
      Front axle / differential fluid volume 271 l. and 23 l. 92 % more or 248 l.
      Generator current strength 100 amperes and 65 amperes 35 % more or 35 amperes
      Fuel Capacity 1074 l. and 284 l. 74 % more or 790 l.
      Hydraulic system fluid volume 435 l. and 115 l. 74 % more or 320 l.

      Motor

      Effective power 468 kW and 119.3 kW 75 % more or 348.7 kW
      Full power 512 kW and 125.3 kW 76 % more or 386.7 kW
      Displacement 27.1 l. and 7.6 l. 72 % more or 19.5 l.

      Hydraulic system

      Pump bandwidth 650 l/min and 247.9 l/min 62 % more or 402.1 l/min

      10 reasons to buy John Deere 644E:

      Sizes

      Clearance 500 mm and 478 mm 4 % more or 22 mm

      Shovel

      Breakout power 164.9 kN and 583.6 kN 72 % less or 418.7 kN

      Operation

      Turn radius 5420 mm and 10337 mm 48 % less or 4917 mm

      Motor

      Power measured at 2200 rev / min and 2000 rev / min 9 % more or 200 rev

      Hydraulic system

      Unloading time 1.8 sec and 2.9 sec 38 % less or 1.1 sec
      Lowering time 3.5 sec and 3.8 sec 8 % less or 0.3 sec
      Lifting time 6.2 sec and 9.2 sec 33 % less or 3.0 sec

      Gear box

      Forward gears number 4 and 3 25 % more or 1
      Maximum forward speed 41 km/h and 22.4 km/h 45 % more or 18.6 km/h
      Maximum reverse gear 26.4 km/h and 24.8 km/h 6 % more or 1.6 km/h

      Neutral reasons:

      Sizes

      Height to cab upper part 5070 mm and 3400 mm
      Wheelbase 4600 mm and 3200 mm
      Hinge axis maximum height 5866 mm and 4000 mm
      Length with bucket on ground level 12839 mm and 7680 mm
      Between tyres width 4071 mm and 2652 mm

      Shovel

      Shovel width 4450 mm and 2780 mm

      Operation

      Operating voltage 24 V and 12 V
      Rear axle oscillating 22 degrees and 26 degrees
      Tyre size 41.25/70-39 and 20.5-25
      Working weight 77842 kg and 15471 kg

      Motor

      Model C27 MEUI ACERT and 6466T
      Manufacturer Caterpillar and John Deere

      Hydraulic system

      Overflow valve pressure 31000 kPa and 19650 kPa

      Gear box

      Transmission type powershift and powershift
      Reverse gears number 3 and 3

      Images

      Sizes

      1. Length with bucket on ground level 12839 mm 1. Length with bucket on ground level 7680 mm
      2. Between tyres width 4071 mm 2. Between tyres width 2652 mm
      3. Height to cab upper part 5070 mm 3. Height to cab upper part 3400 mm
      4. Wheelbase 4600 mm 4. Wheelbase 3200 mm
      5. Clearance 478 mm 5. Clearance 500 mm
      6. Hinge axis maximum height 5866 mm 6. Hinge axis maximum height 4000 mm
      8. Radius at maximum lifting and unloading 1799 mm 8. Radius at maximum lifting and unloading 940 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3952 mm 7. Unloading ground clearance at maximum lifting 2975 mm