Series of machines specialized in the soil preparation and grass/pruning shredding, powered by a hydraulic orbital motor and connectable to excavators, off-road forklifts, loaders by customized linkages. These machines are, rotary tillers, power harrows, stone buriers and shredders up to 200 cm working width. Basic machine: Hydraulic orbital engine , Lateral transmission driven by chain in oil bath, Automatic chain tensioner on spring, Removable flanged rotor, 4x speed "C" blades per flange, Adjustable rear hood by chain, Pair of adjustable lateral skids for working depth regulation, Requested oil capacity 50-60l/min, Maximum pressure 200 bar.