The most controllable factor in undercarriage wear is track-chain adjustment. Correct track sag for many conventional crawlers is 2 in. but check with your equipment manufacturer for specific ...

In more ways than one, there's a lot riding on an excavator's undercarriage, so diligent maintenance is key. "Good routine maintenance keeps the overall cost of ownership down," says Chris Giorgianni, ...

Considered individually, the various components of a crawler undercarriage — links, pins, bushings, sprockets, rollers, idlers, shoes and frames —seem relatively simple, straightforward parts. But ...

This article was updated May 12, 2023. It was originally published Feb. 1, 2000. Chain drives traditionally handled heavy loads in harsh conditions, and many still do. But although they started out as ...