Terex
Plug for Terex BT4792
This SAE 4 plug is designed for the extension cylinder on the Terex BT4792 crane. It features a 0.438-20 thread specification and is used to seal unused ports or openings within the hydraulic system.
Parts diagram
Compatible models
Specifications
- Part number
- 222475
- Brand
- Terex
The 222475 plug serves as a sealing component for the extension cylinder assembly found in Terex BT4792 cranes. It is engineered to close off threaded ports, such as test points or unused connections, to maintain the integrity of the hydraulic circuit. By providing a secure seal, this component prevents fluid loss and protects internal passages from external contaminants during operation.
This steel plug conforms to SAE 4 standards and utilizes a 0.438-20 thread size. It is specifically intended for use in the extension cylinder, which manages the movement of the crane boom sections. Proper installation ensures that the hydraulic system maintains the necessary pressure levels required for the extension and retraction functions of the machine.
In hydraulic systems, plugs are used to seal openings in manifolds, cylinders, and valves. They provide a barrier that contains pressurized fluid within the lines while allowing for maintenance access when needed. Ensuring that these components are correctly seated is necessary to prevent leaks and maintain the overall performance of the hydraulic architecture.

