Terex
Solar gear for Terex HC230
This solar gear is a central component of the planetary transmission system designed for the Terex HC230 crane. It serves as the primary driving element that transfers power to the surrounding planetary gears.
Parts diagram
Compatible models
Specifications
- Part number
- 0669 240 07
- Brand
- Terex
The solar gear, also referred to as a sun pinion, functions as the central driving member within the planetary gear train of the Terex HC230 crane. By meshing with the surrounding planetary gears, this component facilitates the transfer of rotational power through the transmission assembly. It is engineered to manage the torque requirements necessary for the operation of heavy lifting equipment, ensuring that power is distributed effectively across the gear set to maintain smooth and controlled crane movements.
This component is specifically compatible with the Terex HC230 model and is identified by part number 0669 240 07. It fits directly into the center of the planetary carrier assembly, where it acts as the input point for the gear reduction system. Proper alignment and engagement of this gear are necessary to maintain the operational integrity of the crane transmission.
In planetary gear systems, the solar gear serves to increase output torque while reducing rotational speed. By acting as the central axis for the planetary gears, it allows the transmission to handle significant mechanical loads while maintaining a compact footprint. This configuration is standard in heavy machinery where precise control over lifting and slewing functions is required.

