B&O 52ft flat car w/Railway Express Agency 35ft Trailer Brand new in box.US Import. £31.00 Out of stock. 0 in your basket View Basket Checkout The 52' 6" Flat Car has ramps that you can lift up and down and body-mounted E-Z Mate® Mark II couplers. The removable 35' Piggyback Trailer features graphics to match the prototype. Optional set of Rapido couplers included.