The McCormick 6669981A1 is a genuine Power Take-Off (PTO) shaft designed for various McCormick agricultural tractors, including models in the CX, MC, and MTX series. This essential component ensures efficient and reliable power transmission from the tractor to implements. With a length of 105 mm and a diameter of 25 mm, it is engineered to meet OEM specifications for durability and performance. It is also cross-referenced as an equivalent to Case IH and New Holland part number 6669981A1.