This is a A-588421M91 Alternator, Delco PN: 588421M91Main Description As Following : A-588421M91 Alternator, Delco P.N: 588421M91 Type: DelcoVolt/Amperage: 12/61 Stocked As: A-AL-1133 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, Massey Ferguson TRACTOR: 1085 (DIESEL W/ CAB), Massey Ferguson TRACTOR: 1105 (W/ CAB), Massey Ferguson TRACTOR: 1135 (W/ CAB), Massey Ferguson TRACTOR: 1155 (W/AIR), Massey Ferguson TRACTOR: 1505 (<9C006491), Massey Ferguson TRACTOR: 1805 (<9C006492) Associated Items : New Also A-MH-O-MF1085, A-MH-P-MF1085, A-MH-S-MF1085, A-SMMF201, A-MH-O-MF1105ETC, A-MH-P-MF1105, A-MH-S-MF1105ETC, A-SMMF201, A-MH-O-MF1105ETC, A-MH-P-MF1105, A-MH-S-MF1105ETC, A-SMMF201, A-MH-O-MF1105ETC, A-MH-P-MF1155, A-MH-S-MF1105ETC, A-SMMF201, A-MH-O-MF1505, A-MH-P-MF1505, A-MH-S-MF1505ETC, A-MH-O-MF1505 And : Type: Delco Volt/Amperage: 12/61