STARTER MOTOR FITS JOHN DEERE TRACTOR 4840 4850 8430 8440 8450 AR41627 AR55639 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Starter - Voltage: 12V Rotation: Clockwise Teeth On Drive / Splines: 10 Source: Aftermarket Replaces Part Numbers: 28100-1670 AR41627 SE501414 TY25960 TY6617 TY6713 50831001672 50-831001671 50-831001672 50831001671