ಮೈಸೂರು - ವಾರಣಾಸಿ ಎಕ್ಸ್‌ಪ್ರೆಸ್: ಕಾವೇರಿ ಮತ್ತು ಗಂಗಾ ನದಿಗಳ ಸಂಪರ್ಕ ಸೇತುವೆ - Vishwanath Joshi

The introduction of Diesel Locomotives started in late 50’s, with import of locomotives from M/s. ALCO, USA. With the setting up of Diesel Locomotive Works at Varanasi in the year 1961, the addition to the Diesel Locomotive fleet started at regular pace.
· In the earlier years of diesel operation, a limited demand of spares was met by Diesel Locomotive Works, Varanasi mainly through import, but the demand increased with the increasing size and age of the fleet.
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It was in the context of the need for high precision components for maintenance support to the diesel fleet, that in the year 1979, a decision was taken to set up Diesel Component Works at Patiala. The Foundation Stone of Diesel Component Works (DCW), Patiala was laid on October 24, 1981 and production started in 1986. A decision was also taken that DCW will do midlife Rebuilding of Diesel Locomotives after a service life of 18 years. Accordingly, Phase-II of the project was sanctioned and the work of Rebuilding started in 1989. The name of DCW was changed to Diesel Loco Modernisation Works (DMW) in July, 2003 to signify the modernisation of Diesel Locomotives being done.
· DMW has taken another giant leap with successful manufacture of WDM3D locomotive for the first time in 2011 and the first 2400 HP Multi Gen Set Loco in 2013 conforming to US EPA TIER II Environmental Norms on Indian Railways .
- From 2017 onwards, DLMW has got the work for manufacturing 30 new EMD locos mainly WDG4 and WDP4 etc.