Support assembly, plate (5), counter plate (6) characterized in that the support of the support-plate assembly, comprises the plate (5) provided with a series of perforations and a support formed by a right side plate (3) and a plate left lateral (4) both parallel and emerging from the surface of the plate (5) perpendicular to the surface defined by the plate (5), where the right lateral plate (3) has an approximate trapezoidal shape of decreasing width as it moves away from the plate (4), and which has perforations (3.1) at its end for fixing to the tractor, while the left side plate (4), although it emerges perpendicular to the plate (5), is finished off by a cross plate (4.1) with respect to the left side plate (4), where said cross plate (4.1) has a series of perforations (4.2). (Machine-translation by Google Translate, not legally binding)
