Allis Chalmers Tachometer Or Operation Meter

Specifications: Final Application: Fits: 190 SN: 20600 & up, 190XT gas, diesel; Serviceable for 180, 185, 200, 210, 220 Replacement Number: 252409, 255036Notes: Tachometer is driven off alternator. Must use w/ 12 & 45 tooth drive gears.