vs.

      Caterpillar 631D vs. Caterpillar 651B

      2 reasons to buy Caterpillar 631D:

      Tractor engine

      Power measured at 2000 rev / min and 1900 rev / min 5 % more or 100 rev

      Cup

      Maximum cutting depth 482.6 mm and 406.4 mm 16 % more or 76.2 mm

      7 reasons to buy Caterpillar 651B:

      Tractor engine

      Effective power 410.1 kW and 335.6 kW 18 % more or 74.5 kW
      Displacement 19.5 l. and 18 l. 8 % more or 1.5 l.

      Operation

      Fuel Capacity 1059.9 l. and 946.4 l. 11 % more or 113.5 l.

      Gear box

      Maximum forward speed 51.5 km/h and 49.9 km/h 3 % more or 1.6 km/h

      Cup

      Volume with top 33.6 m3 and 23.7 m3 29 % more or 9.9 m3
      Brimmed volume 24.5 m3 and 16.1 m3 34 % more or 8.4 m3
      Cut width 3633.2 mm and 3505.2 mm 4 % more or 128.0 mm

      Neutral reasons:

      Weight

      Total operating unloaded 40324.4 kg and 57560.9 kg

      Tractor engine

      Model 3408 and D346

      Sizes

      Dimensional length 14249.4 mm and 15340 mm
      Overall width 3962.4 mm and 4320 mm
      Headroom 4166.6 mm and 4291.6 mm
      Wheelbase 8778.2 mm and 9729.2 mm

      Operation

      Tyre size 33.25x35, 38PR and 37.5x39,36PR

      Images

      Sizes

      1. Dimensional length 14249.4 mm 1. Dimensional length 15340 mm
      2. Overall width 3962.4 mm 2. Overall width 4320 mm
      3. Headroom 4166.6 mm 3. Headroom 4291.6 mm
      4. Wheelbase 8778.2 mm 4. Wheelbase 9729.2 mm