DCC and Sound - Brand New. Bachmann EZ Command DCC Control System. Santa Fe F7A Diesel Locomotive with Sound. 38" X 56" Oval of Bachmann EZ Track.The Bachmann EZ Command system allows you to add and control multiple locomotives from one controller. Very good for people just starting out in DCC. We are authorized dealers for Bachmann products. Thank you for your interest in our products! To see more complete train sets!