The McCormick 6520128M1 is a genuine OEM selector designed for various McCormick tractor models. This essential component ensures precise gear selection within the transmission system, maintaining optimal performance and operational reliability. It is compatible with McCormick C, CX, MC, MTX, and XTX series tractors, including models such as C50, C60, C70, C80, C90, C100, CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110, MC80, MC90, MC100, MC105, MC110, MC115, MC120, MC130, MC135, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200, XTX185, XTX200, and XTX215.