vs.

      Caterpillar 621B vs. Caterpillar 631E serie II

      8 reasons to buy Caterpillar 631E serie II:

      Tractor engine

      Effective power 335.6 kW and 246.1 kW 27 % more or 89.5 kW
      Displacement 18 l. and 14.6 l. 19 % more or 3.4 l.

      Operation

      Fuel Capacity 814 l. and 511 l. 37 % more or 303 l.

      Gear box

      Maximum forward speed 53 km/h and 48 km/h 9 % more or 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 437 mm and 340 mm 22 % more or 97 mm
      Cut width 3510 mm and 3020 mm 14 % more or 490 mm

      Neutral reasons:

      Weight

      Total operating unloaded 30205 kg and 44210 kg

      Tractor engine

      Model 3406 and 3408TA

      Sizes

      Dimensional length 12700 mm and 14560 mm
      Overall width 3450 mm and 3940 mm
      Headroom 3630 mm and 4290 mm
      Wheelbase 7720 mm and 8770 mm

      Cup

      Nominal payload 21770 kg and 34020 kg

      Images

      Sizes

      1. Dimensional length 12700 mm 1. Dimensional length 14560 mm
      2. Overall width 3450 mm 2. Overall width 3940 mm
      3. Headroom 3630 mm 3. Headroom 4290 mm
      4. Wheelbase 7720 mm 4. Wheelbase 8770 mm