Next engine in this series is WDM 3. Not much information is available about this locomotive. Only 8 WDM 3 were produced. They are No longer in use, decommissioned at Gooty shed, 1995. So lets head to WDM 3A. The class WDM-3A is Indian Railways' workhorse diesel 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 variant of the original 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 loco is now widely used across India for long distance passenger trains due to its ruggedness and high tractive loads and acceleration. The first one was delivered on August 22, 1994, It was then WDM-2C. More than 150 locos were produced till 1998.
