FS 743

Machine-translated from the Italian article

The FS Group 743 steam locomotives are the product of a modification of the 740 locomotives. The design of the Group 740, developed by the Rete Adriatica, taken up and carried forward by the Ferrovie dello Stato, of which 470 units were built between 1911 and 1922, given its excellent results, was subject to experiments and modifications aimed at improving its efficiency and operating economy. The application of a new Franco-Crosti water preheating system, which allowed coal savings in certain cases of up to 12%, began in 1937.