Doosan 200104-00034 Lower Roller Assembly

The Doosan 200104-00034 lower roller is a direct replacement track roller engineered to OEM specifications for Doosan and Daewoo large excavators. Manufactured with sealed and lubricated bearings and hardened steel components, it delivers smooth rotation and extended service life in demanding excavation environments. This bottom roller supports the machine weight on the track frame and maintains proper track tension during operation. Compatible with Doosan DX420, DX420LC, DX480LC, DX520LC, DX480LCA-HD, and DX520LCA models, as well as Volvo EC380E excavators. Designed for heavy-duty undercarriage systems in construction and mining applications.