PTO Shaft to fit New Holland Dis Mower Discbines Our drive shafts for PTO can be adjusted to the following models of disc mowers: New Holland Discbines 1431and 1432 Model 411 1409, 1410 1411 14, 1411, 1441, 1442 14, 1431, 143 H7220, H7230, H7320, H7330, H7450, H7460, H7550, H7560 IH DC 132, Case IH DC 132 Parts of Pto Shafts. Pto Shaft It is important to know the dimensions, measurements horsepower, sizes, and the agriculture PTO shaft components in order to select the right PTO shaft for your farm equipment. Although the U-joints and yokes are required for operation however, the safety chains as well as the shield are vital components in the PTO shaft to ensure you are secure during operation.