Boxed Lionel modern O 11718 Norfolk and Southern Dash 8-40C unit train set. Set consists of a lightly run 18689 diesel locomotive, five different numbered Norfolk & Southern flat cars with trailers with road numbers to include 17503, 17504, 17505, 17506 and 17507 plus a 19711 Norfolk & Southern extended vision caboose, C9 with exceptionally clean to near mint original boxes and original paperwork.