4350257082 Rotation unit Epiroc ROC L5, L6, L8, DHR48

Rotation Unit 4350257082 (4350 2570 82)

4350257082 (4350 2570 82) is a rotation unit for Atlas Copco / Epiroc drilling rigs, used in DHR48 configurations and compatible ROC L5 / ROC L6 / ROC L8 machines. The unit transfers torque to the drilling tool/string and ensures stable operation during down-the-hole drilling on quarries and construction sites.

Depending on the configuration, the rotation unit can be supplied with a floating adapter (floating adapter) 4350258041 (4350 2580 41) or installed without a floating adapter. The floating-adapter version helps compensate axial loads and reduce shock impact on threaded connections and key components, improving service life and operational stability. The non-floating configuration is used when a rigid connection is specified by design or when another load-compensation solution is applied.

Supply and Spare Parts Support

Rotation unit 4350257082 (4350 2570 82) is always in stock at our warehouse. 

Contact our specialists to discuss your application and select the correct rotation unit configuration (with or without a floating adapter), as well as matching parts for the assembly — seals, bearings, shafts, fasteners, wear parts and service solutions — according to the parts catalogue for your machine version.