... Tractor Side Connection: 1 3/8" 6 Spline MPN: R10122 Implement Side Connection: 1 3/8" Round Bore PTO shaft, Drive ... can provide series 1, 2, 3, 4, 5, 6, 7, 8, 9, also as per customer's diagrams or samples. ... yokes triangular, plain bore yokes. 5:U-joint assemblies. 6: Agriculture universal joint 7:meet ISO9001: 2000 quality system and ... . 35 HP Series 1 PTO Shaft 1 3/8" 6 Spline and Shear Pin Clutch