Top quality T4 Pto Shaft: This T4 PTO shaft is a properly-cast series4 driveline shaft with CE certification. It consists of a solid 20CrMnTi carburized steel common joint and a Q345 steel tube inside of the defend. The PTO shafts are resilient and sturdy in doing work with all kinds of agricultural machinery.Splines and Spherical Finishes: Tractor Stop: 1-3/8″ x 6 Splines Execution Conclude: 1-3/8″ x Spherical Conclude. Our bristle PTO shafts are built with 6 splined finishes and are common 1 3/8″ dimension to perfectly match instruments and tractors of the same dimensions and sort, giving your machinery a exceptional push.