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
Terra Nova 1260HP diesel hydraulic locomotive post enables easy reach of all technical equipments, delivering a comfortable and safe operation. The locomotive has all the necessary equipments mounted in the driver`s cabin, however, a large variety of optional equipment is available for fixing according to the needs of the customers. It is fitted with two diesel engines and two transmissions, which means that it can adjust the delivery of power according to the tractive effort which needs to be generated. For light loads, one engine can be used for optimum fuel economy. If the locomotive comes to a steep grade, the second engine can be turned