This is a A-773324M91 Alternator, Delco PN: 773324M91Main Description As Following : A-773324M91 Alternator, Delco P.N: 773324M91 Type: DelcoVolt/Amperage: 12/100 Stocked As: A-TY6790 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 20C, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30B, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 40B, Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50C (<9A324303), Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50D, Massey Ferguson TRACTOR: 230 (9A349239>), Massey Ferguson TRACTOR: 245 (<9A349238), Massey Ferguson TRACTOR: 255 (DIESEL), Massey Ferguson TRACTOR: 265, Massey Ferguson TRACTOR: 275 (<9A349238), Massey Ferguson TRACTOR: 55 (DIESEL 1976-77) Associated Items : New Also A-MH-O-MF20C, A-MH-O-MF20CTURF, A-MH-P-MF20C, A-MH-S-MF20C, A-MH-O-MF30BTLB, A-MH-P-MF30B, A-MH-P-MF54A, A-MH-S-MF30BTLB, A-MH-O-MF40BTLB, A-MH-P-MF40B, A-MH-P-MF54A, A-MH-S-MF40BTLB, A-MH-O-MF50CTLB, A-MH-P-MF50C, A-MH-P-MF54A, A-MH-S-MF50CTLB, A-MH-O-MF50D, A-MH-P-MF50DIND, A-MH-S-MF50CTLB, A-MH-O-MF230 And : Type: Delco Volt/Amperage: 12/100