N Scale This 39’ single dome tank car is car #4 in the our Tank Car Series. It is painted black with white herald and lettering. It was built with a 4,021 gallon capacity in August 1937 by American Car & Foundry and runs on Bettendorf trucks. SHPX 4129 is an ICC 103, interior-coiled tank car with 40-ton trucks built from an order for 10 on lot # 1733. The cars in the series (4129 - 4132) were leased to Sherwood Refining Company.