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 .
Railway speed record
The following is a list of verified absolute world speed records for conventional wheeled rail vehicles.
The following is a list of speed records for rail vehicles with electric traction motors and powered by electricity transferred to the train.
The following is a list of speed records for rail vehicles with on-board fuel to generate electricity for traction motors such as diesel-electric locomotive, diesel electric multiple unit and gas turbine-electric locomotive trains.
The following is a list of speed records for rail vehicles with on-board fuel to mechanical energy to drive vehicle's wheels such as diesel-hydraulic trains and gas turbine locomotive trains that use mechanical transmission to power the drive wheels.
The following is a list of speed records for steam locomotives.