ALTERNATOR FITS JOHN DEERE TRACTOR 1050 1250 1450 1650 850 YANMAR 3T90 CH10493 TY6647 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: 25 Amps Fan: External Regulator: External Grooves: 1 Source: Aftermarket Replaces Part Numbers: 021000-7280 210007280 021000-72810 CH10493 TY6647 210007281