Easy connection to all tractors equipped with 3 point-hitch hydraulic linkage and 540rpm PTO. Link pin type I or tpe ll. Side chain transmission in oil bath, with level check and automatic adjuster (JF-0R and JF-1L) and adjustment gears (JF/RF-1R and JF/RF-2R). The rotor carries 4 blades for each flange (JF-0R, RF-1R e RF-2R) or 4/6 blades (JF-1L,JF-1R and JF-2R). L type curved blades (JF)or straight blades(RF), highly resistant to shock and wear. Rear sliding cover for soil crushing, adjustable by chain or springs. Adjustable skids for depth control.