vs.

      Caterpillar 631D vs. Caterpillar 621S

      7 reasons to buy Caterpillar 631D:

      Tractor engine

      Displacement 18 l. and 10.5 l. 42 % more or 7.5 l.

      Operation

      Fuel Capacity 946.4 l. and 545 l. 42 % more or 401.4 l.

      Gear box

      Maximum forward speed 49.9 km/h and 44.4 km/h 11 % more or 5.5 km/h

      Cup

      Volume with top 23.7 m3 and 15.3 m3 35 % more or 8.4 m3
      Brimmed volume 16.1 m3 and 10.7 m3 34 % more or 5.4 m3
      Maximum cutting depth 482.6 mm and 361 mm 25 % more or 121.6 mm
      Cut width 3505.2 mm and 3020 mm 14 % more or 485.2 mm

      Neutral reasons:

      Weight

      Total operating unloaded 40324.4 kg and 28281 kg

      Tractor engine

      Model 3408 and 3306

      Sizes

      Dimensional length 14249.4 mm and 12860 mm
      Overall width 3962.4 mm and 3470 mm
      Headroom 4166.6 mm and 3710 mm
      Wheelbase 8778.2 mm and 7650 mm

      Operation

      Tyre size 33.25x35, 38PR and 29.5-29 28PR (E-3)

      Images

      Sizes

      1. Dimensional length 14249.4 mm 1. Dimensional length 12860 mm
      2. Overall width 3962.4 mm 2. Overall width 3470 mm
      3. Headroom 4166.6 mm 3. Headroom 3710 mm
      4. Wheelbase 8778.2 mm 4. Wheelbase 7650 mm