A cutting device (1) for farming equipment comprising a body (2) with a substantially plate-like development on which there are identified a first section (21) provided with connection means (3) for fixing to the farming equipment and a second section (22), opposite to the first section (21), provided with cutting elements (4) on the two mutually opposite lateral edges (22a, 22b). The device provides for that a surface (5) of the plate-like body (2), at least at the level of the second section (22), has a concave-shaped profile developing according to a median direction (M) of the plate-like body (2).
