The JŽ 664 locomotives were a class of diesel locomotives operated by Yugoslav Railways. They are a GM-EMD export model of type EMD G26, subclass 664-0 was built by EMD, subclass 664-1 was built by Đuro Đaković from 1972 until 1984.
After the breakup of Yugoslavia the locomotives were split. The 664-0 subclass were split between Croatia as HŽ series 2062 (60 units), and Serbia (5 units); the 664-1 subclass were transferred to the Slovenian Railways (as SŽ series 664), 20 units., list of ex-Yugoslav locomotives
See also Krajina Express, armoured train of Krajina Serbs utilised locomotive number JŽ 664 013 (now HŽ 2062 055) during the Croatian War of Independence.
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