The prototype for the AtlasO Premier three-rail O Scale PS-2 offered railroads and private companies alike a car that could be loaded and unloaded quickly and freely interchange between railroads across the country. Although capable of hauling several different commodities, most found their way into single service use so as to avoid a complete cleaning of the interior of the car if different load types were hauled. This O Scale model features a detailed injection-molded body, fine decoration, metal wheels and metal knuckle couplers. Its' designed for O-31 curves. The Coalporter Coal Gondola is perfect for your diesel-era train consists.