This genuine McCormick 3668135M91 hydraulic cylinder is designed for optimal performance in McCormick MC series agricultural tractors, including models MC80, MC90, MC95, MC100, MC105, MC110, MC115, MC120, MC130, and MC135. It is a critical component for the hydraulic system, providing reliable operation for steering or implement functions. With a length of 510 mm, a diameter of 80 mm, and a rod diameter of 35 mm, this OEM part ensures a perfect fit and restores original equipment functionality.