A crusher used for crushing metal blocks obtained by the compression of scrap metal and scrapped vehicles, where the crusher has a discharge opening (l5), the inside of the crusher casing (l) is equipped with pressing rolls (5, 5a) in the upper part, a crushing roll (6) arranged in the middle below the pressing rolls (5, 5a) and a pressing body (7) arranged close to the crushing roll (6) where the pressing rolls (5, 5a) and the crushing roll (6) are provided on their circumference with protruding blades (52, 52a; 62), while the pressing body (7) is provided with pressing blades on its circumference near the crushing roll (6) and is arranged so that it can freely come closer to or away from the crushing roll (6).
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