The Shaft (OEM Part No. 3128322346) is a mechanical power transmission and rotation component compatible with Epiroc T1D  drilling equipment. Manufactured from high-strength alloy steel, the shaft is designed to transmit mechanical power and rotational movement between connected components within the drilling rig assembly. It supports accurate component alignment, stable rotation, and reliable power transfer during demanding underground drilling operations. The robust alloy steel construction provides durability and resistance to mechanical loads encountered in heavy-duty mining applications. As a replacement mechanical component, 3128322346 is suitable for routine maintenance and repair, helping restore reliable equipment performance and extend the service life of the associated drilling rig assembly.