The McCormick 6620176A1 is a genuine OEM valve designed for various McCormick X-series tractors. This critical component ensures precise control and reliable operation within the hydraulic system, maintaining peak performance and efficiency. It is compatible with a broad range of models including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, X5.80, X5.90, X6.420, X6.430, X6.440, X6.450, X6.460, X6.470, X6.480, X6.490, X7.440, X7.450, X7.460, X7.470, X7.480, X7.490, X7.650, X7.660, X7.670, X7.680, X7.690, X8.660, X8.670, X8.680, and X8.690 series.