Lionel TMCC upgrades for engines that originally did not come with Command Control. Electric Railroad upgrade kits from ERR by 3rd Rail. Call or email if you are not sure what will be needed for your engine. Your engine may run with an AC Transformer but that does not mean you need an AC Commander. It depends on the type of motor that is in the engine. These kits will run with Lionel's original TMCC System or the newer Legacy control system. Call or email for pricing on installation. Kits are in stock.