The LNER Class A4 earned its place in history as the fastest steam locomotive ever built, with its sleek, aerodynamic design and record-setting run in 1938. In this video, we explore its engineering, ...

On this day in 1938 the world speed record for steam locomotives was broken. The British Railways’ LNER Class A4 4468 Mallard (or just Mallard for short) reached 125.88 mph during a trial run of its ...