The Case IH 113331A is an authentic OEM shaft designed for a wide range of agricultural machinery. This critical component ensures proper function and durability in Case IH combines including models 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2388, 2577, 2588, 5088, 6088, and 7088. It also fits cotton pickers such as 1800, 1822, 1844, 2044, 2055, 2144, 2155, and 2555, the 8810 forage harvester, and tractors including 9210, 9230, 9240, 9250, 9260, 9270, 9280, 9310, 9330, 9350, 9370, 9380, and 9390. Measuring approximately 254 mm in length, 50.8 mm in width, and 50.8 mm in height, with a weight of 0.45 kg, this shaft provides reliable performance for demanding agricultural applications.