The McCormick 6509817M2 is a genuine OEM gear designed for various McCormick tractor models, including the CX, MC, and MTX series. This essential component ensures efficient and reliable power transmission within the machinery. With 27 teeth, an outer diameter of 140 mm, an inner diameter of 45 mm, and a thickness of 25 mm, this gear is manufactured to precise specifications for optimal performance and durability in agricultural applications.