The General Pershing Zephyr was the ninth of the Chicago, Burlington & Quincy Railroad's Zephyr streamliners, and the last built as an integrated streamliner rather than a train hauled by an EMD E-unit diesel locomotive. It was constructed in 1939 with bodywork and passenger cars by Budd Company and diesel engine, electric transmission, power truck, and other locomotive equipment by General Motors Electro-Motive Corporation. Because its intended Kansas City to St Louis route passed near the birthplace and boyhood home of famous World War I General John J. Pershing, the train was named after him. The power car was named Silver Charger, after Pershing's horse Charger, while the passenger cars were named after United States Army badges of rank—Silver Leaf, Silver Eagle, and Silver Star.