The 780034 roller is an aftermarket replacement part designed for various Case IH agricultural machines. It is compatible with numerous Case IH tractor models including 7110, 7120, 7130, 7140, 7150, 7210, 7220, 7230, 7240, 7250, 8910, 8920, 8930, 8940, 8950, MX100, MX110, MX120, MX135, MX150, and MX170. This roller also fits Case IH combine models 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588, 5088, 6088, and 7088, as well as cotton pickers 1800, 1822, 1844, 2022, 2044, 2055, 2155, 2555, forage harvester 8810, and windrowers 8820, 8830, 8840, 8850, 8860, 8870, 8880. It serves as an aftermarket equivalent to OEM part number 87402636.