Terex
O-ring for Terex RT1000
This toroidal mechanical sealing component is designed for the Terex RT1000. It provides a hermetic seal between mating surfaces to prevent the leakage of hydraulic or pneumatic fluids.
Compatible models
Specifications
- Part number
- 6445Z87
- Brand
- Terex
The 6445Z87 O-ring serves as a mechanical seal in the Terex RT1000 rough-terrain crane. It is installed between two mating surfaces to create a bidirectional, hermetic seal that prevents fluid loss and the entry of external contaminants into the system. This component is used across various assemblies, including hydraulic cylinders, hose connections, pumps, valves, and transmission systems, where maintaining internal pressure is necessary for the proper operation of the machine.
This part is compatible with the Terex RT1000 crane. It is designed to accommodate controlled compression to effectively seal against the surfaces of the assembly. Proper installation is necessary to ensure the integrity of the hydraulic and pneumatic circuits, preventing leaks that could otherwise lead to a drop in system efficiency or operational failure.
In heavy machinery, O-rings function by deforming under pressure to fill the gap between components. This creates a barrier that contains hydraulic oil, air, or other gases within their respective lines or chambers. By maintaining this seal, the component helps ensure that the machine operates within its intended parameters, preventing the loss of fluids and protecting internal parts from contamination.

