vs.

      Caterpillar 637E vs. Caterpillar 621S

      8 reasons to buy Caterpillar 637E:

      Tractor engine

      Full power 335.6 kW and 208.8 kW 38 % more or 126.8 kW
      Displacement 18 l. and 10.5 l. 42 % more or 7.5 l.

      Operation

      Fuel Capacity 1220 l. and 545 l. 55 % more or 675 l.

      Gear box

      Maximum forward speed 48 km/h and 44.4 km/h 7 % more or 3.6 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 3510 mm and 3020 mm 14 % more or 490 mm

      1 reasons to buy Caterpillar 621S:

      Gear box

      Forward gears number 8 and 7 12 % more or 1

      Neutral reasons:

      Weight

      Loaded rear axle 43280 kg and 24526 kg
      Total operating unloaded 50843 kg and 28281 kg
      Front axle unloaded 29997 kg and 18383 kg
      Rear axle unloaded 20846 kg and 9898 kg
      Total operating loaded 84863 kg and 50053 kg
      Loaded front axle 41583 kg and 25527 kg

      Tractor engine

      Model 3408 and 3306
      Manufacturer Caterpillar and Caterpillar

      Sizes

      Wheelbase 8770 mm and 7650 mm
      Dimensional length 14280 mm and 12860 mm
      Overall width 3940 mm and 3470 mm
      Headroom 4290 mm and 3710 mm

      Operation

      Tyre size 37.25-35 30 PR (E-3) and 29.5-29 28PR (E-3)

      Cup

      Nominal payload 34020 kg and 21772 kg

      Images

      Sizes

      3. Headroom 4290 mm 3. Headroom 3710 mm
      4. Wheelbase 8770 mm 4. Wheelbase 7650 mm
      1. Dimensional length 14280 mm 1. Dimensional length 12860 mm
      2. Overall width 3940 mm 2. Overall width 3470 mm