The McCormick 4207990M2 is a genuine OEM gear designed for various McCormick tractor models, including CX, MC, MTX, TTX, X6, X7, and X8 series. This essential component features 20 teeth, an outer diameter of 108 mm, an inner diameter of 45 mm, and a width of 25 mm, ensuring precise fitment and optimal performance in the transmission system. Manufactured to McCormick's exacting standards, it provides durable and efficient power transfer for agricultural operations.