The Case-IH 84420926 Diameter Set, Chipper is an original equipment manufacturer (OEM) part designed for optimal performance in Case-IH FR Series Forage Harvesters. This essential component ensures efficient chipping operations, maintaining the high standards of your agricultural machinery. It is a genuine Case-IH replacement part for models including FR450, FR480, FR500, FR550, FR600, FR650, FR700, FR780, FR850, and FR900.