Diesel locomotive Diesel–hydraulic locomotives have a smaller market share than those with diesel electric transmission - the main worldwide user of main-line hydraulic transmissions was the Federal Republic of Germany, with designs including the 1950s DB class V 200, and the 1960 and 1970s DB Class V 160 family. British Rail introduced a number of diesel hydraulic designs during it 1955 Modernisation Plan, initially license built versions of German designs (see ). In Spain RENFE used high power to weight ratio twin engined German designs to haul high speed trains from the 1960s to 1990s. (see RENFE Classes 340, 350, 352, 353,
Diesel Locomotive Factory, Marhowra in JV company subject to a maximum of . The estimated cost of 1000 locomotives will be around . General Electric will maintain the locomotives for 13 years, after which the Indian Railways will take over maintenance. There will be two types of diesel electric locos – 700 WDG 4G locos of 4,500 horsepower (HP) and 300 WDG 6 locos of 6,000 HP. 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