Baltimore & Ohio RPO #23

Baltimore & Ohio
RPO AF268-Z10B - UNITED STATES MAIL RAILWAY POST OFFICE
Roadnumber: 23

The cars feature three axle trucks, smooth running, inset window glazing, intricate pad printing, prototype accurate details, and adjustable diaphrams. The diaphrams are an interesting feature. They extend out, but will push in if touching another diaphram when going around tighter radius curves.