The McCormick 3660777M91 Canalisa is an original equipment manufacturer (OEM) part designed for McCormick X4 series agricultural tractors. This genuine component ensures optimal performance and compatibility with various X4 models, including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.35, X4.45, X4.55, X4.65, X4.75, X4.30F, X4.40F, X4.50F, X4.60F, X4.70F, X4.35F, X4.45F, X4.55F, X4.65F, X4.75F, X4.30V, X4.40V, X4.50V, X4.60V, X4.70V, X4.35V, X4.45V, X4.55V, X4.65V, and X4.75V.