Diesel locomotive break down. Hydraulic transmission for locomotives was developed in Germany. There is still debate over the relative merits of hydraulic vs. electrical transmission systems: advantages claimed for hydraulic systems include lower weight, high reliability, and lower capital cost. By the 21st century, for diesel locomotive traction worldwide the majority of countries used diesel–electric designs, with diesel hydraulic designs not found in use outside Germany and Japan, and some neighbouring states, where it is used in designs for freight work. In Germany and Finland, diesel–hydraulic systems have achieved high reliability in operation. In the UK the diesel–hydraulic principle gained a poor
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