The McCormick 1500661C1 is an original equipment manufacturer (OEM) trigger switch designed for various McCormick agricultural tractor models. This genuine replacement part ensures proper functionality and compatibility with McCormick CX, MC, and MTX series tractors. It is suitable for models including CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110, MC80, MC90, MC95, MC100, MC105, MC115, MC120, MC130, MC135, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200, and MTX215.