These 50' box cars with double Youngstown doors are painted brown with white lettering and large New York Central Early Bird logo with black lettering. They were built in April 1957 by Despatch Shops, Inc., and run on Bettendorf trucks. These cars were part of a group of 1900 XM class box cars numbered into road series 45000-46899. The New York Central Early Bird Fast Freight Service scheme.