LNER Class A4 4468 Mallard
London and North Eastern Railway locomotive numbered 4468 "Mallard" is a Class A4 4-6-2 Pacific steam locomotive built at Doncaster Works, England in 1938. It is historically significant as the holder of the world speed record for steam locomotives at .
Chessie (train)
To pull the "Chessie" the C&O ordered three experimental steam turbine locomotives from the Baldwin Locomotive Works. As diesel locomotives became more prevalent following World War II, the C&O was one of several railroads loath to abandon coal as a fuel source, and saw steam turbine technology as a possible alternative to diesel. At the time of their construction these locomotives were the longest single-unit locomotives in the world. Not including research and development, the three locomotives cost . The M1s proved a failure in operation and were scrapped in 1950.