vs.

      Caterpillar 521 vs. Caterpillar 551

      8 reasons to buy Caterpillar 551:

      Sizes

      Load-transfer length without tilt 13614 mm and 11506 mm 15 % more or 2108 mm

      Operation

      Fuel Capacity 1181 l. and 530 l. 55 % more or 651 l.
      Hydraulic system fluid volume 370 l. and 300 l. 19 % more or 70 l.

      Motor

      Effective power 210.3 kW and 196.1 kW 7 % more or 14.2 kW
      Full power 227.4 kW and 211.8 kW 7 % more or 15.6 kW

      Carrier

      Caterpillar track length 4903 mm and 4801 mm 2 % more or 102 mm

      Booms

      Maximum radius with head 11300 mm and 9800 mm 13 % more or 1500 mm
      Lifting capacity at maximum radius 5000 kg and 4100 kg 18 % more or 900 kg

      Neutral reasons:

      Sizes

      Height to cab upper part 3556 mm and 3658 mm
      Overall width 3200 mm and 3327 mm

      Operation

      Operating voltage 24 V and 24 V
      Generator current strength 95 amperes and 95 amperes
      Working weight 26050 kg and 31377 kg
      Engine oil volume 39 l. and 39 l.
      Cooling system fluid volume 61 l. and 61 l.

      Motor

      Power measured at 2100 rev / min and 2100 rev / min
      Displacement 8.8 l. and 8.8 l.
      Manufacturer Caterpillar and Caterpillar
      Model C9 ACERT and C9 ACERT

      Carrier

      Caterpillar track pitch 203.2 mm and 215.9 mm
      Track width 2591 mm and 2591 mm
      Shoe dimensions 610 mm and 711 mm

      Images

      Sizes

      1. Load-transfer length without tilt 11506 mm 1. Load-transfer length without tilt 13614 mm
      2. Overall width 3200 mm 2. Overall width 3327 mm
      3. Height to cab upper part 3556 mm 3. Height to cab upper part 3658 mm

      Carrier

      4. Caterpillar track length 4801 mm 4. Caterpillar track length 4903 mm
      6. Track width 2591 mm 6. Track width 2591 mm
      7. Shoe dimensions 610 mm 7. Shoe dimensions 711 mm

      Booms

      8. Maximum radius with head 9800 mm 8. Maximum radius with head 11300 mm