PTO Over-Running Clutch 1-3/8" 6 Spline U/J 32 X 76 MM by Sparex - Sparex Part S.170204The Sparex S. 170204 PTO Over Running Clutch is designed to ensure smooth and reliable power transfer in agricultural machinery by preventing reverse rotation. Ideal for tractors and other PTO driven equipment, this clutch provides a fail safe mechanism that prevents damage from reverse torque, making it essential for effective and safe operations. Constructed with a U J size of 32 x 76mm and a 1 3 8" 6 spline connection, the clutch is engineered for