NEW ALTERNATOR FITS INTERNATIONAL TRACTOR 584 684 784 884 HYDRO 84 DIESEL 23563 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Alternator - Voltage: 12V Amperage: 43 Amps Fan: External Regulator: Internal Grooves: 1 Source: Aftermarket