The Case IH 91758511 is a genuine OEM controller designed for a wide range of Case IH MXM and MXU series agricultural tractors. This essential electronic component ensures precise management of various machine functions, contributing to reliable operation and peak performance. It is a direct replacement for part number 87304383 and is compatible with models including MXM120, MXM130, MXM140, MXM155, MXM175, MXM190, MXU100, MXU110, MXU115, MXU125, MXU135, MXU100C, MXU110C, MXU115C, MXU100X, MXU110X, MXU115X, MXU125X, and MXU135X.