CHICAGO NORTHWESTERN HERITAGE SCHEME A perfect complement to the Union Pacific Heritage diesels and previously released rolling stock, these TOFC cars will look great in a special train or mixed into a general consist. Die-cast frame Die-cast trucks Operating couplers with hidden tabs Wood deck Separately applied details including collapsible trailer hitch TRAILER FEATURES: Rubber tires and mud flaps Interchangeable open or closed end doors PRODUCT SPECIFICATIONS Rail Line: Union Pacific Gauge: O Gauge Min Curve: O36 Dimensions: Length: 14 3/4" Most Recent Catalog: 2022 C2 WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.