Diesel locomotive were classified as DET 1 and DET 2 (). Due to shortage of petrol products during World War I, they remained unused for regular service in Germany. In 1922, they were sold to Swiss Compagnie du Chemin de fer Régional du Val-de-Travers (), where they were used in regular service up to the electrification of the line in 1944. Afterwards, the company kept them in service as boosters till 1965. Fiat claims a first Italian diesel–electric locomotive built in 1922, but little detail is available. A Fiat-TIBB diesel–locomotive "A", of 440CV, is reported to have entered service on the Ferrovie
Diesel Locomotive Factory, Marhowra Diesel Locomotive Factory, Marhowra The Diesel Locomotive Factory, Marhaura is a joint venture of GE Global Sourcing India Pvt. Limited of the US with Indian Railways for the production of 1000 high-power freight locomotives over a period of 10 years designed to run on Indian railway tracks. The factory is currently under-construction. This factory will start manufacturing the locomotives from the third quarter of 2018. The first 40 locomotives will be imported, the rest will be manufactured in Marhowra. The company is also setting-up two maintenance depots at Gandhidham in Gujarat and Roza in Uttar Pradesh. During Sep 2013, the