The Case-IH 401600A1 is a genuine OEM Head Assembly designed for various Case-IH agricultural machinery. This critical component ensures proper function in combines including the 1420, 1440, 1460, 1480, 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588, 5088, 6088, 7088 series. It also fits cotton pickers such as the 1800, 1822, 1844, 2022, 2044, 2055, 2144, 2155, 2555 models, forage harvester 8810, and windrowers including the 8820, 8830, 8840, 8850. This Head Assembly is an essential replacement part to maintain optimal machine performance and reliability.