vs.

      Caterpillar 637G vs. Caterpillar 621S

      8 reasons to buy Caterpillar 637G:

      Tractor engine

      Full power 384 kW and 208.8 kW 46 % more or 175.2 kW
      Displacement 18 l. and 10.5 l. 42 % more or 7.5 l.

      Operation

      Fuel Capacity 1268 l. and 545 l. 57 % more or 723 l.

      Gear box

      Maximum forward speed 54.9 km/h and 44.4 km/h 19 % more or 10.5 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 361 mm 17 % more or 76 mm
      Cut width 3512 mm and 3020 mm 14 % more or 492 mm

      Neutral reasons:

      Weight

      Total operating unloaded 52047 kg and 28281 kg
      Front axle unloaded 30708 kg and 18383 kg
      Rear axle unloaded 21339 kg and 9898 kg
      Total operating loaded 86067 kg and 50053 kg
      Loaded front axle 42173 kg and 25527 kg
      Loaded rear axle 43894 kg and 24526 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar
      Model 3408E and 3306

      Sizes

      Wheelbase 8769 mm and 7650 mm
      Headroom 4286 mm and 3710 mm
      Dimensional length 14565 mm and 12860 mm
      Overall width 3938 mm and 3470 mm

      Operation

      Tyre size 37.50-R35 and 29.5-29 28PR (E-3)

      Gear box

      Forward gears number 8 and 8

      Cup

      Nominal payload 34020 kg and 21772 kg

      Images

      Sizes

      1. Dimensional length 14565 mm 1. Dimensional length 12860 mm
      2. Overall width 3938 mm 2. Overall width 3470 mm
      3. Headroom 4286 mm 3. Headroom 3710 mm
      4. Wheelbase 8769 mm 4. Wheelbase 7650 mm