You have do some rewiring and so far only the Y-3 the factory installed DCC module. The Y-3 will run on anything:
American Flyer 30B transformer.
DC power supply
It has DC motors. it does not have AC motors
Lionel did a lot of engineering on just about everything with this steam engine model. The 2-8-2 is almost impossible to convert to scale. Maybe the Challenger is a possibly. The Big Boy was a total joke, it belongs in the scrap metal pile.
The EM-1 is a brass import by Southwind Models.