Larry, the old belt may have been damaged internally, and will twist, even if the cause is corrected. Better to test with the new one. Ed
50 ,52,53,56,59 F Cubs, 55,55,57,63,63 fast hitch, 64 lo-boys, 71 154, 184 lo-boy,61 cadet original. IH spreader,IH corn grinder, Oli. OC3 ,AC D10 ,IH 444 , Potato digger, wagner ldr 3 power units.