vs.

      Caterpillar 651E vs. Caterpillar 637D

      5 reasons to buy Caterpillar 651E:

      Tractor engine

      Displacement 27 l. and 18 l. 33 % more or 9 l.

      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
      Maximum cutting depth 660 mm and 483 mm 27 % more or 177 mm
      Cut width 3850 mm and 3490 mm 9 % more or 360 mm

      2 reasons to buy Caterpillar 637D:

      Operation

      Fuel Capacity 1403 l. and 985 l. 30 % more or 418 l.

      Gear box

      Maximum forward speed 51 km/h and 50 km/h 2 % more or 1 km/h

      Neutral reasons:

      Weight

      Rear axle unloaded 20723 kg and 18782 kg
      Total operating loaded 108150 kg and 82160 kg
      Loaded front axle 57320 kg and 41080 kg
      Loaded rear axle 50830 kg and 41080 kg
      Total operating unloaded 60950 kg and 48160 kg
      Front axle unloaded 40227 kg and 29378 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar
      Model 3412 and 3408

      Sizes

      Dimensional length 16140 mm and 14800 mm
      Overall width 4350 mm and 3960 mm
      Headroom 4710 mm and 4170 mm
      Wheelbase 9920 mm and 8740 mm

      Operation

      Tyre size 37.5R39 Radial (E-3) and 33.25-35 38PR (E-3)

      Gear box

      Forward gears number 8 and 8

      Cup

      Nominal payload 47200 kg and 34000 kg

      Images

      Sizes

      1. Dimensional length 16140 mm 1. Dimensional length 14800 mm
      2. Overall width 4350 mm 2. Overall width 3960 mm
      3. Headroom 4710 mm 3. Headroom 4170 mm
      4. Wheelbase 9920 mm 4. Wheelbase 8740 mm