The McCormick 3672777M1 Board is a genuine OEM replacement component designed for various McCormick X-series tractors. This essential board ensures proper electronic function within compatible agricultural machinery, maintaining optimal performance and reliability. It is compatible with models including X4.20, X4.30, X4.40, X4.50, X4.60, X5.20, X5.30, X5.40, X5.50, 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.