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The Indian locomotive class WDM-3 was a type of diesel-hydraulic locomotive that was developed by Henschel for Indian Railways in 1962. The model name "WDM-3" stood for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 3rd generation (3). These locomotives were put into service between 1970 and 1971, and a total of eight were built between ...
DLW again built WDM-3A variant locomotives, during 2005–2006, in the road number range 14144-14167 which were classified as WDM-3B due to their difference in bogie design from classic ALCo asymmetrical trimount to HAHS design which was employed in WDG2 and later WDM-3D classes too. Most of the WDM-B were later converted to WDM-3D.
The engine is classified WDM-3D though it outputs only 3300 hp and not 3400 hp as the name should suggest. They entered service in 2003. A total of 590+ WDM-3D were built at Banaras Locomotive Works (BLW), Varanasi between 2003 and 2016. The WDM-3D is one of the most successful locomotives of Indian Railways serving both passenger and freight ...
They entered service on 18 July 1995. A total of 1,164 WDG-3A units were built between 1994 and 2015 at BLW, Varanasi with a few units being produced by Diesel Loco Modernisation Works (DLMW) and Parel Workshop. It is the dedicated freight version of the highly successful WDM-2 and shares the same engine and horsepower rating with WDM-3A.
The WDM-2 locomotives from serial numbers around 17788 to 17890 were fitted with full-width short hoods with the intention of improving visibility for drivers. [27] These are unofficially termed 'Jumbos' by crew and rail fans. [28] WDM-2 #17722 and #17748 are rumored to be the prototypes of the jumbo class but differ slightly from other Jumbos.
The WDM-1 was the first class of wide gauge (W), diesel-powered (D), mixed-load (M) locomotive, meant for hauling both freight and passenger trains. These are also the first mainline diesel engines imported after Independence. They were even the fastest diesel locomotives till the advent of WDM-2 and WDM-4. They used to haul ore/freight trains ...
A WDS-6 locomotive basically consists of a YDM-4 powerpack (a 6-cylinder, 4-stroke, inline, turbo-supercharged ALCo engine) mounted on a WDM-2 body frame. Beginning in 1975, these were initially manufactured solely by BLW, Varanasi , but later, the Parel Workshop started building them using CKD (completely-knocked-down) kits provided by DLW.
A problem with the WDP-3A was that it would get uncomfortably hot inside the driving cabin on the radiator side and the locos were nicknamed “toasters” by the locomotive pilots. The WDP-3A was best known for hauling the Trivandrum Rajdhani and later on the Mumbai CSMT - Karmali Tejas Express through the Konkan Railway at a top speed of 120 ...