Alternator, Delco ( < 12200 GAS). PART NO: A-79004866. This is a brand new Delco alternator and is 12 volt, 63 amp, and fits multiple makes and models. TypeDelco V/A12/37. . MODELS: Allis-Chalmers TRACTOR: 7030 Allis-Chalmers TRACTOR: 7040 Allis-Chalmers TRACTOR: 7050 Allis-Chalmers TRACTOR: 7060 Allis-Chalmers TRACTOR: 7080 Gleaner COMBINE: F ( < 12200 GAS).