Caterpillar
Articulation pin for Caterpillar machinery
This articulation pin serves as a pivot point for various moving assemblies in Caterpillar heavy equipment. It is designed to secure joints and facilitate rotational movement between connected components.
Specifications
- Part number
- 414612
- Brand
- Caterpillar
The articulation pin, part number 414612, is a cylindrical component engineered to join structural members while allowing for controlled rotational or pivoting motion. It functions as the central axis within a pivot joint, supporting shear and bending loads generated during the operation of heavy machinery. This component is typically secured in place using retaining rings, cotter pins, or locking plates to ensure it remains positioned correctly during operation while remaining accessible for maintenance or replacement.
This pin is compatible with a wide range of Caterpillar equipment, including excavators, wheel loaders, and bulldozers. It is used in critical pivot locations such as boom joints, hydraulic cylinder mounts, and implement linkages. The precise diameter and length of the pin are essential to ensure a proper fit within the bores of the mating components, which minimizes clearance and ensures uniform load distribution across the pivot assembly.
Articulation pins act as the primary connection point in mechanical linkages, allowing segments of a machine to move relative to one another. By providing a stable axis for rotation, these pins enable the articulation of arms, buckets, and other attachments. Proper maintenance and regular inspection of these pins are necessary to prevent excessive play in the linkage, which can lead to imprecise movement and accelerated wear on surrounding bushings and housings.

