Terex
O-Ring for Terex BT4792
This O-ring is designed for the topping cylinder on the Terex BT4792 crane. It serves as a sealing component to maintain hydraulic pressure within the cylinder assembly.
Parts diagram
Compatible models
Specifications
- Part number
- 226855
- Brand
- Terex
This O-ring, identified by part number 226855, is a sealing component engineered for the topping cylinder of the Terex BT4792 crane. It functions by creating a seal between two surfaces to prevent hydraulic fluid leakage and maintain the internal pressure required for the cylinder to operate correctly. By ensuring a tight seal, this component supports the controlled movement of the crane boom during lifting operations.
This part is compatible with the Terex BT4792 model. O-rings are used throughout hydraulic systems to provide a barrier against fluid loss at joints and moving interfaces. When installed in a cylinder, the O-ring seals the gap between the piston and the cylinder wall or between the gland and the rod, which is necessary to sustain the force generated by the hydraulic system. Proper installation of this seal helps maintain the integrity of the hydraulic circuit and prevents the pressure drops that can lead to erratic cylinder performance.

