vs.

      Caterpillar 621S vs. Caterpillar 657B

      3 reasons to buy Caterpillar 657B:

      Tractor engine

      Full power 410.1 kW and 208.8 kW 49 % more or 201.3 kW

      Cup

      Volume with top 33.6 m3 and 15.3 m3 54 % more or 18.3 m3
      Brimmed volume 24.5 m3 and 10.7 m3 56 % more or 13.8 m3

      Neutral reasons:

      Weight

      Total operating unloaded 28281 kg and 63094.7 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar

      Sizes

      Dimensional length 12860 mm and 15700 mm
      Overall width 3470 mm and 4320 mm
      Headroom 3710 mm and 4210 mm

      Operation

      Tyre size 29.5-29 28PR (E-3) and 37.5-39, 44

      Images

      Sizes

      1. Dimensional length 12860 mm 1. Dimensional length 15700 mm
      2. Overall width 3470 mm 2. Overall width 4320 mm
      3. Headroom 3710 mm 3. Headroom 4210 mm