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Lima, Ohio. December 1941. The brilliant C&O/Lima Locomotive design team poses for a photograph in front of their latest creation--a 2-6-6-6 Allegheny. Despite years of claims to the contrary, this first series of Alleghenies were indeed the heaviest steam locomotives ever built. This photo was taken by the Lima company photographer mere days after the attack on Pearl Harbor, and for C&O the first ten Alleghenies came right in time for the surge of war traffic on America's railroads.