Founded in 1961 as the DLW, it 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. In July 2006, DLW outsourced manufacture of some locomotives to Parel Workshop, Central Railway, Mumbai. In 2016, it bagged “Best Production Unit Shield 2015-16” The first phase of expansion project of BLW was initiated in 2016. In 2017, it bagged the “Best Production Unit Shield 2016-17” for 2nd consecutive year. In 2018, it bagged the “Best Production Unit Shield 2017-18” of Indian Railways for 3rd consecutive year. In same year, Source: Wikipedia