This 50' steel side 14-panel gondolas with fixed ends and straight sides are painted white with black ends. The Koppers Coke herald is red with black and red logo, side lettering is black and end lettering is white. They were built in September 1929, serviced in March 1956 and run on Bettendorf trucks. Koppers Chemicals is a global chemical and materials company based in Pennsylvania. It specializes in manufacturing carbon chemicals from coal tar.