The Coupling Half (OEM Part No. 3176850290) is a mechanical spare part compatible with M4C, Boomer XE3C, Simba H1354, SIMBA H1254 drilling rigs. Manufactured from durable alloy steel, it functions as a key component in the coupling assembly for power transmission systems. It provides reliable torque transfer between connected components while maintaining accurate alignment during operation. Designed for heavy-duty underground mining applications, this coupling half offers excellent strength, wear resistance, and long service life. Precision manufacturing ensures proper fitment, smooth operation, and reduced downtime during equipment maintenance.