... sizes are 1# shafts, 2# shaft, 3# shaft, 4# shafts, 5# shaft, 6# shafts, 4# shafts with slip clutches and 6 ... sizes are 1# shafts, 2# shaft, 3# shaft, 4# shafts, 5# shaft, 6# shafts, 4# shafts with slip clutches and 6 ... threaded hole c) Up to 160HP tractors at 1,000rpm High Quality Agriculture Drive Shafts