#4-8458 S Gauge Southern GP-9 Diesel Engine features electric 3-position reversing unit, PullMor traction tires, working headlight, illuminated number boards and operating knuckle couplers. The cars are all Southern and include #9004 Flat Cat with Vans, 9303 Gondola with Canisters, 9704 Box Car, 9204 Hopper, 9105 3 Dome Tank Car, and 9403 Caboose.