The McCormick 6636876A1 is an authentic OEM plate designed for optimal performance and durability in McCormick agricultural equipment. This genuine replacement part ensures proper fit and function, maintaining the integrity of your machinery. It is compatible with a range of McCormick tractor models, including the X4.30, X4.40, X4.50, X4.60, X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680.