Electric locomotive  type  141   (ex. E499.1)  was produced at  Škoda Plzeň factory  as successor of  first  el. loco  E499.0 - (called Bobina - from BoBo truck type).  61pcs was produced in 1959-61   and latter also 30pcs for polish PKP railways  and  87pcs for USSR -marked Chs3.    Loco was  designed mainly for personal train transport, due to max speed  120kmph.  In  90-th years  all was shifted  belong  ČD czech railway corp. During 1995-2012 most of them was scraped and now only last locos 121 are used. 

Loco 121 (ex 469.1)  is modified version for freight trains with lower speed.