The Athearn 5901 Gunderson-Husky Stack Trailer Train DTTX #56147 Early JP is an HO scale plastic model of a Gunderson Husky Stack Car in yellow color. This unassembled kit features a realistic replica of a Trailer Train TTX car, suitable for model railroads and trains enthusiasts. The two-rail system provides stability for this freight car, which is a part of the transportation theme. This product from Athearn is a great addition to any train collection, representing a piece of American railroad history.