The McCormick 3693536M91 is a genuine OEM electrical harness designed for various McCormick X-series tractors. This essential component ensures reliable electrical connectivity within the machine, maintaining optimal performance and safety. It is compatible with models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.70F, X4.70M, X4.70N, X4.70V, X5.20, X5.30, X5.40, X5.50, X5.55, X5.60, X5.70, 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.