Mallard 4468

Number 4468 Mallard is a London and North Eastern Railway Class A4 4-6-2 Pacific steam locomotive built in the 1930s by the LNER and designed by Sir Nigel Gresley in Doncaster, England.

On July 3, 1938. Mallard became the holder of the world speed record for steam locomotives attaining the speed of 126 (203 km/h)

This speed has never been exceeded to this day.