This NEW in the box O Scale K-Line Model #K-7661 Santa Fe Classic Gunderson DTTX car with containers measures 16″ long coupler to coupler. The car features an accurate paint scheme, real life detailing and die cast trucks. This car will run on 031 or larger curves. The unit comes in a crisp black K-Line box. New K-Line train cars are getting harder and harder to find. USPS shipping.