This is a A-31-2902278 Alternator, IR/EF PN: 31-2902278Main Description As Following : A-31-2902278 Alternator, IR/EF P.N: 31-2902278 Type: IR/EFVolt/Amperage: 12/50 Stocked As: A-AL-650 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, White/ Oliver/ Mpl Moline TRACTOR: 2-50, White/ Oliver/ Mpl Moline TRACTOR: 2-60 Associated Items : New Also A-WH-O-2-50, A-WH-O-2-60 And : Type: IR/EF Volt/Amperage: 12/50