I'm fairly new to the model train hobby, a couple years I got a Pennsylvania flyer train set for Christmas, I also have been collecting the new Hershey commemorative rolling stock, I have 10 of the Hershey cars and the 3 that came with the set, my layout is a 4x8 oval with a siding and a disconnect piece, enough for 5 cars. I would like to expand in the future but not sure what I need. I know there are 5 more Hershey cars out that I want to get but I don't think my engine will be able to pull that much, and I don't know if ill need a mor powerful transformer either the one I have is the cw-80. If any one can advise be on where to go from here that would be great! Any recommendations on more powerful engines would be good too cuz I don't know much about them, I like steamers but a desil would be cool too but I'd like to keep the Pennsylvania theme. I did see a Bachman desil that was a PA and it was a chocolate brown color perfect for a Hershey train! Will a Bachman engine work on lionel fastrack, with a lionel cw-80 transformer?