Terex
U-cup seal for Terex BT4792
This U-cup seal is designed for the topping cylinder assembly on the Terex BT4792 crane. It serves as a sealing component to manage hydraulic fluid containment and internal pressure.
Parts diagram
Compatible models
Specifications
- Part number
- 226853
- Brand
- Terex
The U-cup seal 226853 functions as a critical sealing element within the hydraulic topping cylinder assembly of the Terex BT4792 crane. Its primary role is to establish a seal against the cylinder wall and piston rod, preventing hydraulic fluid leakage and maintaining the internal pressure required for the cylinder to function correctly. By ensuring this seal remains intact, the component supports the precise control of the crane boom angle during operation.
This component is compatible with the Terex BT4792 model. It is designed to fit the specific dimensions and requirements of the topping cylinder system to ensure proper integration and function within the hydraulic circuit.
U-cup seals are common in heavy machinery hydraulic systems, where they act as dynamic seals for reciprocating motion. They are typically installed in the cylinder head or on the piston to separate high-pressure fluid from the external environment, thereby enabling the conversion of hydraulic energy into mechanical force for lifting and positioning tasks.

