vs.

      Caterpillar 621E vs. Caterpillar 657E

      1 reasons to buy Caterpillar 621E:

      Gear box

      Maximum forward speed 51 km/h and 50 km/h 2 % more or 1 km/h

      7 reasons to buy Caterpillar 657E:

      Tractor engine

      Full power 410.1 kW and 246.1 kW 40 % more or 164.0 kW
      Displacement 27 l. and 14.6 l. 46 % more or 12.4 l.

      Operation

      Fuel Capacity 1650 l. and 545 l. 67 % more or 1105 l.

      Cup

      Brimmed volume 24.5 m3 and 10.7 m3 56 % more or 13.8 m3
      Maximum cutting depth 440 mm and 333 mm 24 % more or 107 mm
      Cut width 3850 mm and 3020 mm 22 % more or 830 mm
      Volume with top 33.6 m3 and 15.3 m3 54 % more or 18.3 m3

      Neutral reasons:

      Weight

      Total operating unloaded 30476 kg and 68860 kg
      Front axle unloaded 20723 kg and 42005 kg
      Rear axle unloaded 9753 kg and 26855 kg
      Total operating loaded 52249 kg and 116060 kg
      Loaded front axle 27692 kg and 59191 kg
      Loaded rear axle 24557 kg and 56869 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar
      Model 3406 and 3412

      Sizes

      Dimensional length 12930 mm and 16200 mm
      Overall width 3470 mm and 4350 mm
      Wheelbase 7720 mm and 9920 mm

      Operation

      Tyre size 33.25-29 26 PR (E-3) and 37.5R39 Radial (E-3)

      Gear box

      Forward gears number 8 and 8

      Cup

      Nominal payload 21770 kg and 47200 kg

      Images

      Sizes

      1. Dimensional length 12930 mm 1. Dimensional length 16200 mm
      2. Overall width 3470 mm 2. Overall width 4350 mm
      4. Wheelbase 7720 mm 4. Wheelbase 9920 mm