The Case IH 84146406 tachometer is a genuine OEM replacement part designed for various Case IH JX series utility and compact tractors. This essential instrument provides accurate engine RPM readings, crucial for monitoring engine performance and ensuring optimal operation. It is compatible with models such as JX1060C, JX1070C, JX1075C, JX1080U, JX1085C, JX1090U, JX1095C, JX1100U, JX55, JX60, JX65, JX70, JX75, JX80, JX85, JX90, and JX95. This part supersedes the previous part number 87304190.