... professional manufacturer of drive shafts and universal joints for farm tractor in China. The yoke we make are six spline, Lemon ... #,2 #,3#, 4 #,5#, 6 # ,4# with slip clutches and 6# with slip clutches:1) 1 shaft: a) length: 27" - 50" b ... threaded hole c) Up to 160HP tractors at 1,000rpm Tractor Drive Shaft