The Diesel Locomotive Works (DLW) in Varanasi, India, was Founded in 1961. The Diesel Locomotive Works (DLW) in Varanasi, India, is a production unit of Indian Railways, that manufactures diesel-electric locomotives and its spare parts. It is the largest diesel-electric locomotive manufacturer in India. It is located on DLW to BHU road of the metropolitan city of Varanasi.
The DLW rolled out its first locomotive three years later, on 3 January 1964. It manufactures locomotives which are variants based on the original ALCO designs dating to 1960s and the GM EMD designs of the 1990s. DLW now manufactures”More than one locomotive a day”. DLW manufactured 334 diesel-electric locomotives in last financial year 2016-17, which is the highest ever loco production by any loco manufacturing unit in India and bagged the “Best Production Unit Shield” for the second successive year.