Terex
O-ring for Terex/Hyster Cold Planer
This O-ring is a toroidal sealing component designed for use in the hydraulic and fluid systems of the Terex/Hyster RS425 cold planer.
Compatible models
Specifications
- Part number
- 004004244000
- Brand
- Terex
The O-ring 004004244000 functions as a toroidal seal designed to create a tight closure between two mating surfaces within the machine. It is used to prevent the leakage of hydraulic fluids, oils, or air and to block the entry of external contaminants such as dust and water into the system. This component is suitable for both static and dynamic applications within the machine assembly.
This part is specifically compatible with the Terex/Hyster RS425 cold planer, including units with serial number 526375. It is engineered to meet the dimensional and chemical compatibility requirements for the fluid systems found in these specific models.
O-rings serve as the primary sealing mechanism in various heavy machinery systems, including hydraulic circuits, transmissions, and engine assemblies. By filling the gap between two surfaces under compression, the seal maintains system pressure and prevents fluid loss. Regular inspection and replacement of these seals are necessary to maintain the integrity of hydraulic circuits and protect internal components from contamination.

