This is a genuine OEM McCormick part number 3655725M91, identified as a support. It is designed for various McCormick X6, X7, and X8 series tractors, including models 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. This support also fits Landini 6, 7, and 8 series tractors such as 6-145L, 6-160L, 6-175L, 7-160L, 7-175L, 7-180L, 7-200L, 7-210L, 7-230L, 7-240L, 7-260L, 7-270L, 8-270L, 8-290L, 8-310L. Ensure compatibility with your specific machinery before purchase.