Hi all!
I've recently decided on what engines I'm going to buy. They are as follows:
Walthers Sperry Rail Car
http://www.trainworldonline.com/catalog/walthers-ho-n/walthers-58-sperry-rail-detector-car-ho-932-series/58-sperry-rail-detector-car-146-932-60753
Concor mP54...