The McCormick 3651500APM1 Collar is a genuine OEM component designed for various McCormick X-series tractors. This essential part ensures proper assembly and function within the specified 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, X5.60, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, X8.680.