It was assigned both passenger and freight duty until the introduction of the 8200 series , which restricted the older locomotives to solely freight service .
This locomotive was introduced from 1972 to 1990 , after electrification of several industrial lines .
locomotive was assigned both passenger and freight duty until the introduction of the 8200 series , which restricted the older locomotives to solely freight service .
This locomotive was introduced from 1972 to 1990 , after electrification of several industrial lines .