PRR X26[?] cars were USRA Originals,so they had 5-5-5 ends.
20s copies of USRA cars had 7-8 ends.
doesn't MT make the Double Sheathed USRA boxcars ?
those doors may work,or make wood doors from scribed Evergreen styrene.
many of the PRR cars got replacement Youngstown doors in the 30s shoppings.
Spikre