Excavator parts pc20-6 Track Roller

PC20-6 heavy wheel is a kind of construction machinery accessories, mainly used in excavators and other heavy machinery. Its role is to support the weight of the machine and distribute the weight on the track plate, while relying on its roller flange to clamp the chain rail to prevent the track from slipping sideways (derailment) and ensure that the machine moves along the track direction. The heavy wheel often works in mud, ash and sand, withstands strong impact, and the working conditions are extremely bad, so the wear resistance of the rim has high requirements.