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History of the Diesel Locomotive WDM-3A 2 Answers History of the Diesel Locomotive WDM-3A History of the diesel loco WDM-3A The first one was delivered on August 22, 1994, It was then WDM-2C.[3] First 57 units produced till March 1996 (Indian Railway road number 14001-14057) had rounded front hood profile similar to contemporary newer classes of locos built by DLW (WDG3A and WDP1). After that there was a gap of long four years in the WDM3A production line in DLW. These new locomotives had their control stand shifted to the left side of the cabin. Meanwhile, Diesel Loco Modernisation Works (erstwhile Diesel Modification Works which again was known as Diesel Component Works) in Patiala started rebuilding the existing WDM2 locomotives, which had reached midlife, with upgraded powerpacks. DLMW Patiala re-calibrates the powerpack and upgrades the output... more... The class WDM-3A is Indian Railways' workhorse diesel-electric locomotive. Since 1993, it has been manufactured in India by the Diesel Locomotive Works (DLW), Varanasi. The model name stands for broad gauge (W), diesel (D), mixed traffic (M) engine. The WDM-3A is the most common diesel locomotive of Indian Railways. The WDM-3A is a later classification of earlier WDM-2C.These units have been retro-fitted with dual brakes, in addition to the air and vacuum brakes. The WDM-3A locos have a maximum speed of 120 km/h (75 mph). The gear ratio is 65:18. Type and origin Power... more... |