NEW 12 VOLT 105 AMP ALTERNATOR FITS STEIGER TRACTOR COUGAR 280 KR1225 CUMMINS 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: 105 Amps Fan: External Regulator: Internal Source: Aftermarket