This is a A-1674637M91 Tachometer PN: 1674637M91Main Description As Following : A-1674637M91 Tachometer P.N: 1674637M91 Body Diameter: 3.32"Outside Diameter: 3.750"Replaces: 1875187M92, 1674637M92 Replaces: VPM5015 MISCELLANEOUS , 1875187M92 MASSEY FERGUSON , Crossed From: 1207-7001 , Found in Section & Models : Engine Parts > Gauges & Related Parts, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50E, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50EX, Massey Ferguson SKID STEER LOADER: 260, Massey Ferguson TRACTOR: 231S, Massey Ferguson TRACTOR: 240 (SN A20286> with ergonomic pedals), Massey Ferguson TRACTOR: 241, Massey Ferguson TRACTOR: 243, Massey Ferguson TRACTOR: 253, Massey Ferguson TRACTOR: 261 (SN