The McCormick 6694485A1 SYSTEM is a genuine OEM replacement part designed for a wide range of McCormick agricultural tractors. This system ensures optimal performance and compatibility with models including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.35M, X4.45M, X4.55M, X4.65M, X4.75M, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, X5.80, X5.90, X6.420, X6.430, X6.440, X6.460, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690, X8.660, X8.670, and X8.680.