Terex
O-ring for Terex BT4792
This O-ring is a sealing component designed for use in the hydraulic systems of Terex BT4792 and TC4742 machinery. It creates a seal between mating surfaces to prevent fluid leakage and maintain system pressure.
Parts diagram
Specifications
- Part number
- 058-00434
- Brand
- Terex
The 058-00434 O-ring serves as a critical sealing element within the hydraulic and pneumatic circuits of heavy machinery. By creating a tight seal between two components, it prevents the escape of pressurized hydraulic fluid and blocks the entry of external contaminants into the system. This component is designed to maintain the integrity of the hydraulic network, ensuring that cylinders, valves, and hoses operate within their intended pressure parameters.
This specific part is compatible with Terex BT4792 and TC4742 models. It is engineered to meet the dimensional requirements of these machines, providing the necessary fit to ensure a secure seal within the hydraulic assembly. Proper installation of this ring is necessary to maintain the operational efficiency of the crane systems.
In hydraulic applications, O-rings are compressed between two surfaces to form a barrier against fluid migration. As the system pressure fluctuates, the seal maintains its position to prevent leakage. Regular inspection and replacement of these seals are standard maintenance practices to avoid pressure loss and potential damage to other hydraulic components caused by fluid contamination or system leaks.

