The JCB 335G6985 is a genuine OEM Seal Main Unit designed for critical sealing applications across numerous JCB construction and agricultural machines. This essential component ensures the integrity of hydraulic systems, preventing leaks and maintaining optimal performance. It is compatible with various JCB models, including Backhoe Loaders (e.g., 3CX, 4CX), Loadall telehandlers (e.g., 531-70, 540-140), Fastrac tractors (e.g., 3230, 8330), and Wheeled Loaders (e.g., 417, 457).