Undercarriage Parts: Segments

There are a variety of different types of segments found on the Caterpillar® Undercarriage.

Segment Options

Bolt On Segment

  • Reduces maintenance and downtime
  • No need to remove tracks to replace segments
  • Easier to handle
  • Used on all track type tractors and track type loaders (not available for D4E or 941)

Cast Assembly, Weld On, and Bolt On Rim Segments

  • These are used on earlier tractors, earlier loaders, and 200 series excavators. Current 300 series have bolt on one piece sprockets.