L.S. Lebedyanskyi: participation in the creation of the freight steam FD locomotive

The article describes the freight steam FD locomotive creation process and the participation of the designer L.S. Lebedyanskyi in the creation of that locomotive. Moreover, the article reviews the technical characteristics of the main locomotive`s parts and the process of their gradual upgrade. Furthermore, the article describes the usage of the freight steam FD locomotives on the former Soviet Union`s railways and reveals the information about the amount of those steam locomotives and the years of their creation.