The Shaft (OEM Part No. 5112008777) is an alloy steel mechanical spare part designed for power transmission and rotational applications in mining and drilling equipment. It is compatible with Ma Cheng E70, Simba M4C, Simba E7C, and M40S. The shaft transfers rotational force between connected mechanical components and supports reliable operation of the drilling rig assembly. Manufactured for aftermarket replacement applications, the 5112008777 Shaft is suitable for replacing worn or damaged transmission components during equipment maintenance and repair. Its durable alloy steel construction supports dependable mechanical performance in demanding mining and drilling environments.