Back-up ring for Terex TX760B

The back-up ring, part number 6194553M1, serves as a support component within the bucket cylinder assembly of the Terex TX760B loader. It is engineered to sit behind the primary seal, such as an O-ring, to prevent the seal from extruding into the clearance gap between metal surfaces when the hydraulic system is under load. By providing this mechanical reinforcement, the ring helps maintain the shape and integrity of the sealing element during operation.

This component is specifically intended for use in the bucket cylinder of the Terex TX760B model. It is a standard specification part for the loader hydraulics system on this machine.

In hydraulic cylinders, a back-up ring is used to protect seals from damage caused by high-pressure cycles. By filling the gap between the piston or rod and the cylinder wall, the ring ensures the primary seal remains in its correct position and prevents hydraulic fluid bypass, which is necessary for maintaining consistent force and control in heavy machinery operations.