The Banaras Locomotive Works (BLW), formerly Diesel Locomotive Works (DLW), is a production unit of Indian Railways situated in Varanasi, Uttar Pradesh.
[2] Founded in 1956 as the DLW, it manufactures locomotives which are variants based on the original ALCO.
In July 2006, it outsourced manufacture of some locomotives to Parel Workshop, Central Railway, Mumbai.
BLW today produces primarily the electric locomotives WAP-7 & WAG-9.
[4] Besides the Indian Railways, BLW regularly exports locomotives to other countries such as Bangladesh, Sri Lanka, Nepal, Mali, Senegal, Tanzania, Angola, Mozambique, and Vietnam and also to a few users within India, such as ports, large power and steel plants and private railways.