NEW STARTER MOTOR FITS KUBOTA EXCAVATOR KX161-3R2 KX161-3S1 428000-0930 4280000930 428000-0931 4280000931 1G911-63012 1G91163012 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: 9 Source: Aftermarket