Easy connection to all tractors equipped with 3 point-hitch hydraulic linkage and 540rpm PTO. Link pin type I or type ll. Side chain transmission in oil bath, with level check and automatic adjuster (JF.0D) and adjustment gears (JF-1D). The rotor carries 4 blades for each flange (JF-0D) or 4/6 blades (JF-1D). L type curved blades, highly resistant to shock and wear. Rear sliding cover for soil crushing, adjustable by chain or springs. Adjustable skids for depth control. Side shifting by crank.