Price in 1953: Unlisted Here‘s a sight familiar to every railroader and railroad fan — a single unit Alco Diesel at the head end of a freight haul. This handsome American Flyer Silver Comet, with its eye-catching silver finish, is the right unit for the heaviest freight haul, because its rugged worm-drive motor has ample power to snake n big load at express speeds. And take a look at the rolling stock — four scale model freights, including a Searchlight Car for night operations. Diesel and all cars equipped with Knuckle Couplers. Transformer is 75-watts.