Excavator Parts PC40 Carrier Roller

PC40 drag sprocket is an important part of Komatsu PC40 excavator. It mainly plays the role of holding up the upper track, reducing the friction and wear of the track, and cushioning the impact of the excavator when walking. It is usually composed of wheel body, spindle, shaft sleeve, oil seal and other components. The quality and performance of PC40 drag sprocket have an important impact on the normal operation and service life of excavator.