NEW STARTER MOTOR FITS MASSEY FERGUSON TRACTOR 1903-109-M91 1903-111-M91 518-884-M91 519-977-M92 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: 1903-109-M91 519-977-M92 1903-111-M91 518-884-M91