TRACK ROLLER is also called lower roller or bottom roller, which is designed to carry the majority of the excavators weight and dynamic forces through the tracks, and onto the ground. Forged from deep hardening steel and heart treated for internal strength to resist bell mounting and to increase rebuilding ability. 2 pieces roller shell rim. Heat treated shells for body strength and longer wear life. Heat treated for a deep uniform hardened deep that providers wear life equal to link wear life.

Tac machinery can supply undercarriage spare parts for excavator and bulldozer,Komatsu, Caterpillar, Hitachi, Volvo, Kobelco, Sumitomo, Kato, JCB,John Deer,Wirtgen,Vogele, 

Dresser-Furukawa,Atlas，Fiat,Libheer,Dressta,Doosan/Daewoo，Hidromek，Sandvick,Kubota ect brands. We can supply the new undercarriage parts/replacement parts/aftermarket parts for the following crawler type machinery(track roller, lower roller, bottom roller, carrier roller, upper roller, top roller, sprocket, sprocket rim, sprocket segment, segment group, idler, front idler, front idler group, track chain, track link, track link group, track shoe, track shoe plate), using our high quality undercarriage parts will ensure that your machinery works safety and effectively.