The Coupling (OEM Part No. 77007968) is a mechanical spare part compatible with Epiroc mining equipment, including DD311, DD310, DL330, DS311, and related models. Manufactured from durable alloy steel, it functions as a power transmission and connection component within the drive system. The coupling transfers mechanical power between connected components while maintaining alignment and reducing operational stress. Designed for demanding underground mining conditions, this precision-engineered replacement coupling provides reliable performance, excellent durability, and extended service life for Epiroc drilling and mining equipment maintenance applications.