The CFR Class 40/41/42 is a class of electric locomotives built for the Romanian Railways (CFR) for use on the Romanian electrified network. Over 1000 Class 40s were constructed by Electroputere (EP) under ASEA licence in EPs Craiova Works from 1967 to 1991.Entering service in 1965, the Class 40 also operated on private railroads after the repeal of CFRs monopoly on rail transport. The vast majority of al the engines are still in service, as of 2013.