@prrhorseshoecurve posted:The only thing is, C-Liners made in O guage are full scale models that I am aware of. They will tower over "Madison" heavyweight cars. Hopefully the O.P. is aware of this. Good luck to the O.P.
I guess that depends on if those are scale heavyweight cars. Personally, I'd probably pick the K-4 or Atlantic for the job, though the GG1 wouldn't be a bad choice.