Trainz offers the largest selection of authentic Lionel TrainMaster Command Control and Legacy Command Control electronics, replacement boards, and Lionel parts for model trains. Use this page to quickly locate the components you need. Check out our exploded parts diagrams, or explore all model train parts, and see everything available at Trainz.com. Whether you’re looking for Lionel TMCC modules, Legacy sound boards, motor drivers, or hardware, this hub makes finding the right Lionel Trainmaster Command Control & Legacy Electronics parts fast and easy.