The McCormick 99462C2 is a genuine PTO (Power Take-Off) shaft designed for a range of International Harvester tractor models. This critical component ensures efficient power transmission from the tractor's engine to various implements. Compatible models include the 766, 786, 886, 966, 986, 1066, 1086, 1466, 1486, 1566, 1586, Hydro 100, and Hydro 186. It replaces the OEM part number 99462C1, providing reliable performance for demanding agricultural applications.