Controller,V.4 . MUST HAVE SERIAL NUMBER FOR PROGRAMMING IF CUSTOMER IS NOT PROGRAMMING. CALL DEALER FOR SERIAL NUMBER IF NOT INCLUDED ON PO. ANY MACHINE WITH A SERIAL NUMBER OF 50000 OR LOWER WILL REQUIRE A WIRE KIT. T-250R FOR A RIDER. T-250W FOR A WALK BEHIND. 390-2899. Fits Tomcat FactoryCat Carbon v2, CRZ, EX, GTR, GTX, Hero, Sport, Tomcat Pro