Tachometer with hour meter, 0-4000 RPM, mechanical drive. Input drive ratio is half engine speed. Hour meter registers to 100th hour. P/N MS35916-2 / M10215-1B. NSN 6680008252076. Includes mounting hardware. Fits various M series trucks such as M35A2/M54A2/M809/M939 etc. Not for use with the M35A3.
Made by Clark Brothers Instrument in USA.
Limited to stock on hand.