Caterpillar 8T-1792 Seal For Caterpillar D11 Dozer

Caterpillar 8T-1792 is an OEM two-piece hydraulic seal with a 196.85 mm bore, engineered for use in Cat D11 series dozers. This seal fits hydraulic cylinders on D11N, D11R, and D11T machines and is listed as compatible with related 11-series configurations such as 11SU and 11U. The two-piece design provides dependable sealing as hydraulic pressure cycles, helping prevent fluid leakage and maintain cylinder performance. As a genuine Cat part, 8T-1792 is manufactured to Caterpillar’s standards for fit and material, supporting reliable replacement within the cylinder’s original geometry. Replacement of this seal is typically pursued during cylinder service or overhaul to restore hydraulic sealing integrity and extend the life of the cylinder assembly on affected D11 dozers. When replacing, verify the cylinder bore matches 196.85 mm and consult the machine’s service documentation for proper orientation and installation procedures to ensure correct seating and long-term performance.