The McCormick 6659885A1 is a genuine OEM Right-Hand (RH) Cover designed for various McCormick X-series tractors. This essential component ensures proper protection and sealing for the specified models. Confirmed fitment includes McCormick 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, X6.40, X6.50, X6.60, X6.70, X7.40, X7.50, X7.60, X7.70, X7.80, X7.90, X8.60, X8.70, X8.80, X8.90, X9.40, X9.50, X9.60, X9.70, X9.80, X9.90 models.