This is a A-157579AS Alternator, DR/ALT PN: 157579ASMain Description As Following : A-157579AS Alternator, DR/ALT P.N: 157579AS Type: DR/ALTVolt/Amperage: 12/32 Stocked As: A-AL-100 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, White/ Oliver/ Mpl Moline TRACTOR: SUPER 770 (DIESEL LATE) Associated Items : New Also A-FRM-IHOL, A-SMO201 And : Type: DR/ALT Volt/Amperage: 12/32