The McCormick 378949A2 Support is an authentic OEM component designed to provide structural integrity and reliable performance across various McCormick agricultural machinery models. This essential part is compatible with MC series (MC80, MC90, MC100, MC105, MC115, MC120, MC135), MTX series (MTX110, MTX125, MTX140, MTX155, MTX175, MTX185, MTX200), X6 series (X6.420, X6.430, X6.440), and X7 series (X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690) tractors, ensuring precise fit and durability.