This is a A-1683360M1 Gear, Transmission, 4th PN: 1683360M1Main Description As Following : A-1683360M1 Gear, Transmission, 4th P.N: 1683360M1 Dim A (1): 32 O.D. TeethDim B (2): 18 SplineReplaces: 1660095M1 Crossed From: 1660095M1 MASSEY FERGUSON Found in Section & Models : Transmission & Rear Axle > Trans: Forks, Gears, Shafts, Massey Ferguson TRACTOR: 1085, Massey Ferguson TRACTOR: 135, Massey Ferguson TRACTOR: 150, Massey Ferguson TRACTOR: 165, Massey Ferguson TRACTOR: 231, Massey Ferguson TRACTOR: 235, Massey Ferguson TRACTOR: 240, Massey Ferguson TRACTOR: 245, Massey Ferguson TRACTOR: 255, Massey Ferguson TRACTOR: 265, Massey Ferguson TRACTOR: 275, Massey Ferguson TRACTOR: 285, Massey Ferguson TRACTOR: 360, Massey Ferguson TRACTOR: 375, Massey Ferguson TRACTOR: 390, Massey Ferguson TRACTOR: 390T, Massey Ferguson TRACTOR: 431, Massey Ferguson TRACTOR: 451, Massey Ferguson TRACTOR: 471, Massey Ferguson TRACTOR: 481 Associated Items : New Also A-MH-O-MF1085, A-MH-P-MF1085, A-MH-S-MF1085, A-SMMF201, A-FRM-MH, A-MH-O-HYDRSYST, A-MH-O-MF135, A-MH-O-MF1353CL, A-MH-P-MF135, A-MH-P-MF32LDR, A-MH-S-MF100LDR, A-MH-S-MF135150, A-SMMF27, A-FRM-MH, A-MH-O-HYDRSYST, A-MH-O-MF150, A-MH-P-MF150, A-MH-P-MF32LDR, A-MH-S-MF100LDR, A-MH-S-MF135150 And : Dim A (1): 32 O.D. Teeth Dim B (2): 18 Spline Replaces: 1660095M1