The Walterscheid Kramp-5713318 shearbolt clutch, model KB61/20, is a genuine Walterscheid safety device designed to protect agricultural machinery PTO drivelines from overload. It features a robust shearbolt mechanism that activates when torque exceeds 1000 Nm, preventing damage to implements and tractors. With a length of 190 mm and a diameter of 120 mm, this clutch handles up to 54 kW (73 HP) at 540 rpm and 80 kW (109 HP) at 1000 rpm. It connects via 1 3/8" - 6 spline shafts on both tractor and implement sides, utilizing an M10x60 8.8 shear bolt.