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 .
Mallet locomotive
Mallet designs were popular in Hungary, too. 30 of (B'B) were built between 1898–1902 (the last one served until 1958). was a (1B)B locomotive in service between 1905–1969 and (C'C) until 1962. The strongest Mallet-locomotive of the Hungarian State Railways was MÁV 601, a (1'C)C type steam locomotive. With 2200 kW power, MÁV 601 was the most powerful steam locomotive built before and during the First World War in Europe.