The Case IH 3217873R1 is a genuine OEM gear designed for various Case IH agricultural machinery. This essential component ensures proper power transmission within the machinery, fitting a wide range of combines including models 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2388, 2577, 2588, 5088, 6088, 7088, 7120, 7230, 7240, 8010, 8120, 8230, 8240, 9120, 9230, and 9240. It is also compatible with cotton pickers such as 1100, 1800, 1822, 1844, 2044, 2055, 2144, 2155, 2555, and windrowers including 8820, 8830, 8840, 8850, 8860, 8870, and 8880.