. . "1972Z"^^ . . . "DB Class 151"@en . "170"^^ . "The Class 151 is an electric heavy freight locomotive built for German Federal Railways between 1972 and 1978. They were built as a replacement for the ageing Class 150, in order to cope with the increased requirements of this type of locomotive, in particular the desire of a 120 km/h (75 mph) top speed."@en . "19.49"^^ . "1978Z"^^ .