|Between 1977 and 1979 the South African Railways placed one hundred and fifty Class 6E1, Series 7 electric locomotives in mainline service, numbered in the range from E1746 to E1895. It was designed and built by Union Carriage and Wagon in Nigel, Transvaal, with the electrical equipment supplied by the General Electric Company (GEC). The Series 6 and Series 7 locomotives are visually indistinguishable from each other, but can be distinguished from earlier series models by their rainwater beadings above the small grilles on the sides just to the right of the side doors.
See also the Wikipedia article on the South African Class 6E1, Series 7.
E1882 re-entered service in 2010 as Class 18E, Series 2 number 18-609 after being rebuilt. See the Wikipedia article on the South African Class 18E, Series 2.