Bucyrus
Pin assembly for Bucyrus 4100XPCAC
This pin assembly serves as a pivot point within the articulation systems of large mining shovels. It is designed for use in Bucyrus 4100XPCAC, 7495HR2, P&H 4100XPCAC, and P&H 7495HR2 models.
Compatible models
Specifications
- Part number
- R82321D7
- Brand
- Bucyrus
The R82321D7 pin assembly acts as a pivot shaft in the articulation systems of heavy mining equipment. It facilitates relative movement between major structural components, such as the boom, dipper, or bucket assemblies, while maintaining structural integrity and transmitting mechanical forces during operation. This component is engineered to manage the high-stress loads encountered during excavation and material handling tasks.
This assembly is compatible with Bucyrus 4100XPCAC and 7495HR2, as well as P&H 4100XPCAC and 7495HR2 mining shovels. The component features a diameter of 11.00 inches. It is manufactured using CNC processes to ensure precise dimensional accuracy within the joint assembly.
In heavy machinery, pin assemblies function as the central axis for rotating or pivoting parts. By securing the connection between two moving segments, the pin allows for controlled articulation while distributing the operational load across the joint interface. Proper fitment and dimensional accuracy are necessary to minimize play and ensure smooth movement within the machine's linkage systems.

