Several notable players from the club went on the play for the national team, both Croatia's and Yugoslavia's.

[3] In 1964 the club reached for the first time the playoffs to the first Yugoslav league.

In 1966, Rudar reached the playoffs again, but was eliminated by Rijeka's Zamet.

In 1974 they reached the finals of the Croatian Cup, eliminating Zagreb's Lokomotiva.

In 1976, the youth team won the Croatian championship.