vs.

      Caterpillar 637D vs. Caterpillar 621F

      6 reasons to buy Caterpillar 637D:

      Tractor engine

      Displacement 18 l. and 14.6 l. 19 % more or 3.4 l.

      Operation

      Fuel Capacity 1403 l. and 814 l. 42 % more or 589 l.

      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 483 mm and 333 mm 31 % more or 150 mm
      Cut width 3490 mm and 3020 mm 13 % more or 470 mm

      Neutral reasons:

      Weight

      Total operating unloaded 48160 kg and 32090 kg

      Tractor engine

      Model 3408 and 3406CTA

      Sizes

      Headroom 4170 mm and 3710 mm
      Wheelbase 8740 mm and 7720 mm
      Dimensional length 14800 mm and 12930 mm
      Overall width 3960 mm and 3470 mm

      Gear box

      Maximum forward speed 51 km/h and 51 km/h

      Cup

      Nominal payload 34000 kg and 21770 kg

      Images

      Sizes

      1. Dimensional length 14800 mm 1. Dimensional length 12930 mm
      2. Overall width 3960 mm 2. Overall width 3470 mm
      3. Headroom 4170 mm 3. Headroom 3710 mm
      4. Wheelbase 8740 mm 4. Wheelbase 7720 mm