<P> London and North Eastern Railway locomotive numbered 4468 Mallard is a Class A4 4 - 6 - 2 Pacific steam locomotive built at Doncaster , England in 1938 . It is historically significant as the holder of the world speed record for steam locomotives at 126 mph ( 203 km / h ) . </P>
<P> London and North Eastern Railway locomotive numbered 4468 Mallard is a Class A4 4 - 6 - 2 Pacific steam locomotive built at Doncaster , England in 1938 . It is historically significant as the holder of the world speed record for steam locomotives at 126 mph ( 203 km / h ) . </P>
what is the fastest steam train in the world
what is the fastest steam train in the world
4468 Mallard
4468 Mallard