Terex
O-ring for Terex BT4792
This O-ring is designed for the front jack cylinder on the Terex BT4792 crane. It provides a seal to contain hydraulic fluid and maintain pressure within the cylinder assembly.
Parts diagram
Compatible models
Specifications
- Part number
- 226089
- Brand
- Terex
The O-ring, part number 226089, serves as a sealing component within the hydraulic systems of Terex machinery. It is specifically engineered for use in the front jack cylinder, where it creates a seal between moving and stationary surfaces. By maintaining this seal, the component helps contain hydraulic fluid and prevents leaks, which allows the cylinder to operate under controlled pressure. This ensures the stability and leveling functions of the crane remain consistent during operation.
This component is compatible with the Terex BT4792 model. It is installed within the front jack cylinder assembly to support the hydraulic system's integrity. Regular inspection of sealing components is standard maintenance practice to identify signs of wear, such as hardening or surface degradation, which can lead to fluid loss.
O-rings are used throughout hydraulic systems to prevent fluid bypass between internal chambers. By filling the gap between mating parts, they maintain the pressure differentials required for the hydraulic actuators to perform their intended work. Proper sealing is necessary for the efficient operation of cylinders, valves, and pumps in heavy equipment.

