You’ve heard the statistics: A crawler undercarriage typically accounts for 20 percent of a dozer’s purchase price, but 50 percent or more of its lifetime repair tab. With that potential repair ...

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

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, ...