NEW 12V STARTER MOTOR FITS CASE CRAWLER TRACTOR 310 350 430 450 470 1998506 1108688 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 Replaces Part Numbers: 1107598 1107598 1108688 323-686 1998506 1108688 323-686 1998506