20T-30-00151 Excavator Parts PC45R-8 Carrier Roller

The PC45R-8 drag sprocket is the drag sprocket of Komatsu PC45R-8 excavator. It supports the excavator track, reduces the friction of the track and guides the track to run correctly. The sprocket has a specific specification and construction, is made of metal and weighs about 8.8 pounds (4.0 kg). Its quality and performance have an important impact on the normal operation and service life of the excavator.