The new lightweight subsoilers HADES, with two rows rollers with aggressive teeth, are ideal for the preparation of the germinating bed in unploughed ground in order to loosen the soil. Are remarkable both through resistance to demand as well as the large number of adjustments which can be done depending on the working conditions. The type of used anchor has progressive inclination, crack crusher and lateral explosives. The removable and reversible peak splits the deep layer, but does not allow mixing the fertile layer from the surface with the least fertile from the deep. The two versions with different working widths and number of active bodies, are designed for tractors between 90 and 160 HorsePower.