The Shaft (OEM Part No. 9111323107) is a mechanical power transmission and rotation component compatible with Epiroc Simba H1354 and SIMBA H1254 underground drilling equipment. Manufactured from high-strength alloy steel, the shaft is designed to transmit rotational movement and mechanical power between connected components within the drilling rig assembly. It supports stable rotation, accurate alignment, and reliable torque transmission during demanding drilling operations. Its robust alloy steel construction provides durability against mechanical loads and operating stresses encountered in heavy-duty underground mining applications. As a replacement mechanical component, 9111323107 is suitable for routine equipment maintenance and repair, helping restore reliable power transmission and rotational performance in Simba drilling rigs.