Terex
Planetary ring gear for Terex HC230
This planetary ring gear, part number 0669 722 38, is a component of the transmission system for the Terex HC230 crawler crane.
Parts diagram
Compatible models
Specifications
- Part number
- 0669 722 38
- Brand
- Terex
The planetary ring gear functions as a critical element within the transmission assembly of the Terex HC230 crawler crane. As an internal gear, it serves as the outer housing for the planetary gear set, providing the necessary interface for the satellite gears to rotate and transmit power. This configuration allows for the specific gear ratios required to manage the torque output of the machine during operation.
This component is designed for the Terex HC230. It works in conjunction with the sun gear and satellite gears to facilitate the transfer of rotational force within the drivetrain. Proper alignment and integration of this ring gear are necessary for the transmission to function as intended.
In heavy machinery, planetary gear sets are used to achieve high torque multiplication and speed reduction within a limited space. The ring gear acts as the stationary or rotating member of the assembly, depending on the specific transmission stage, effectively containing the gear mesh and distributing the load across the gear teeth to drive the machine.

