Richard Leonard's New York Central Collection -- EMD F-3 Units 1613, 1615; F-7 Units 1648, 1688.

The cover of the New York Central's 1951 Annual Report featured this lineup of EMD F-3 and F-7 units at the Collinwood Yard facility in Cleveland. F-3 units 1613 and 1615, built in 1947, were classed DFA-2a while F-7 units 1648 and 1688, delivered in 1949, were classed DFA-2d and DFA-2f respectively.