This is a A-521281M91 Alternator, Delco PN: 521281M91Main Description As Following : A-521281M91 Alternator, Delco P.N: 521281M91 Type: DelcoVolt/Amperage: 12/61 Stocked As: A-AL-1133 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, Massey Ferguson TRACTOR: 1080 (w/ Air & Engine Driven Tach), Massey Ferguson TRACTOR: 1100 (Diesel w/ Air), Massey Ferguson TRACTOR: 1130 (Diesel w/ Air), Massey Ferguson TRACTOR: 1150 (w/ Air), Massey Ferguson TRACTOR: 1500, Massey Ferguson TRACTOR: 1800 Associated Items : New Also A-FRM-MH, A-MH-O-MF1080, A-MH-P-MF1080, A-MH-S-MF1080, A-SMMF201, A-FRM-MH, A-MH-O-MF110030, A-MH-P-MF1100-30, A-MH-S-MF110030, A-SMMF201, A-FRM-MH, A-MH-O-MF110030, A-MH-P-MF1100-30, A-MH-S-MF110030, A-SMMF201, A-MH-O-MF1150, A-MH-P-MF1150, A-MH-S-MF1150, A-SMMF201, A-MH-O-MF150018 And : Type: Delco Volt/Amperage: 12/61