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 .
LNER Peppercorn Class A1 60163 Tornado
With a shorter rake of eleven coaches compared with the original Peppercorn A1's usage, "Tornado" is expected to achieve contemporary main line speeds. Theoretically capable of , "Tornado" may in the future gain permission to run at , making her the fastest steam locomotive on the British main line. "Tornado" is expected to see main line use until its ten-year fire-tube boiler re-certification in late 2018.