Terex
Carrier pin for Terex HC230
This carrier pin is designed for use in the Terex HC230 crawler crane. It supports and guides mobile components within gear assemblies to ensure proper rotation and alignment.
Parts diagram
Compatible models
Specifications
- Part number
- 0669 787 12
- Brand
- Terex
The carrier pin, part number 0669 787 12, serves as a structural component within the mobile assemblies of the Terex HC230 crawler crane. It is engineered to support and guide a carrier, which typically functions as part of a planetary gear system found in transmissions, swing drives, or final drives. By maintaining the correct position of gears and associated moving parts, this pin facilitates consistent rotation and power transmission throughout the machinery.
This component is compatible with the Terex HC230 model. It is designed to withstand the radial and axial loads encountered during the operation of the crane's drive and rotation systems. The pin ensures that internal gears remain aligned, which is necessary for the mechanical function of the assembly.
In heavy machinery, carrier pins act as the central axis or mounting point for planetary gear carriers. They allow the carrier to rotate while securing the planetary gears in their required orientation relative to the sun gear and ring gear. Proper installation of these pins is necessary to manage the forces generated during gear reduction and torque transmission, preventing misalignment and supporting the mechanical integrity of the drive train.

