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

Poor maintenance of track-chain tension shows up quickly in bushing and sprocket wear on most crawler undercarriage. That's why being able to do a quick, accurate field inspection is such a valuable ...

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, ...