NEW ALTERNATOR FITS STEINER TRACTOR 16678-64012 100211-4730 16678-64011 16678-64012 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: 40 Amps Fan: Internal Regulator: Internal Pulley: V Belt Grooves: 1 Source: Aftermarket