WDM1-NRM-17000 --- Built in 1957 by American Locomotive Co. USA. These were fitted with 12-cylinder 4-stroke turbo engines with 1950 hp haulage capacity & diesel-electric transmission. Initially used for freight traffics on SER, but later used for expresse haulage on ER and SER. These locos had Co-Co type wheel configurations. Back angle by Somsubhra Das at National Rail Museum in November 2015.