The McCormick 6665289A1 is a genuine Power Take-Off (PTO) shaft designed for various McCormick agricultural tractors. This essential component ensures reliable power transmission from the tractor to compatible implements. It is suitable for McCormick CX series models including CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110; MC series models including MC100, MC105, MC115, MC120, MC130, MC135, MC140, MC150, MC160, MC165; and MTX series models including MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200.