At the beginning of the 1930s, the Czechoslovak State Railways (ČSD) ordered new high-performance locomotives from the Českomoravská- Kolben-Daněk company (ČKD), which should have provided transportation via semi-fast trains and express trains on mountain railways. ČKD created a new design No. 464 in 1933 with a two-cylinder superheated steam express tank engine and 2’D2’axle arrangement which was inspired by the successful 456.0 series by designer Vojtěch Kryšpín. The maximum speed of the twin-cylinder superheated steam locomotive peaked at 90 kph. First models did not have smoke deflectors; these were installed later. Thanks to the smoke deflectors, the locomotive gained its specific...