. "1957Z"^^ . "The FS E.645 and E.646 are two classes of similar electric locomotives used on Italian railways. They were introduced during the 1950s and they were retired in 2009."@en . "FS class E.646"@en . "FS class E.645"@en . "1957Z"^^ . "18.25"^^ . "3.013"^^ . "18.29"^^ . "1958Z"^^ . "4.296"^^ . . . "1967Z"^^ .