The McCormick 3688747M1 is a genuine OEM gear shift knob designed for various McCormick CX, MC, and MTX series tractors. This essential component ensures comfortable and precise operation of the gear lever, providing reliable performance for agricultural tasks. It is a direct replacement part, guaranteeing proper fit and function for models including CX105, CX110, CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, MC100, MC105, MC115, MC120, MC130, MC135, MC80, MC90, MC95, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200, MTX80, and MTX90.