The McCormick 6606100A2 Cover is a genuine OEM replacement part designed for various McCormick X-series tractors. This essential component ensures proper sealing and protection for internal mechanisms. Manufactured to original specifications, it guarantees a precise fit and reliable performance for models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.75, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, X5.80, X6.420, X6.430, X6.440, X6.460, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680.