Rotary Log Grapple Rotary Log Grapple is applicable to hydraulic excavator operating weight up to 20 tons like Komatsu PC100 and PC200, CAT311 and CAT 320, Hitachi EX100 and EX200. With maximum opening claws up to 1900 mm, this attachment has 500 to 750 kg of weight can gripping up to 0,8 m2 area