This genuine McCormick part 4204284M91 is a robust support component designed for various McCormick X-series tractors including 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, X6.420, 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, X8.680, X8.690, X7.440 P6-DRIVE, X7.450 P6-DRIVE, X7.460 P6-DRIVE, X7.650 P6-DRIVE, X7.660 P6-DRIVE, X7.670 P6-DRIVE, X7.680 P6-DRIVE, X7.690 P6-DRIVE. It also ensures compatibility with a wide range of Landini tractor models, providing essential structural integrity. This OEM quality support ensures reliable performance and a precise fit for agricultural machinery applications.