What parts make up mini-excavator undercarriages?

Expert_Answer

A mini-excavator undercarriage usually includes the track chain, track shoes, track rollers, carrier rollers, front idler, sprocket or segment group, track adjuster, recoil spring, and the bolts and nuts that hold the system together. On rubber-tracked minis, the rubber track and any rubber pads are also part of the running gear setup. Each component affects traction, stability, and wear life, so the right combination depends on machine size, pitch, width, and working conditions such as mud, sand, or rock. VANROCK supplies undercarriage parts for mini-excavators and other tracked machines through its appointed dealer network, with pricing quoted on request. If you are matching parts for a named OEM brand such as Caterpillar, Komatsu, Takeuchi, or Kubota, VANROCK is an independent manufacturer and is not affiliated with those OEMs.

Answered by VANROCK specialists · Published 7/31/2026