LOL
I'm not expecting to be able to run 4-8-8-4 big boys or anything of that nature (don't have that much cash anyways).
I have a Bachmann 2-8-0 that runs nicely on it but would like to know if locos such as a 4-8-2, 2-10-0, 2-6-6-2, etc. would or would not run on it.