This 56? tanker is painted black with white lettering on sides and ends. The ?O? in the Southern herald is filled with green, a practice of Southern Railway from 1969 to 1982. It is a class DOT 111 A-100-W-1 general service tank car built by American Car & Foundry in February 1974. It runs on black Barber? roller bearing trucks. Cars like this were generally used to ship diesel fuel to locations around the Southern system and could often be found running in regular freight trains.