I just got an 1872 with duel hydraulics and CAT O on the rear to go with 12 inch briny plow,cultivator,and disc. the machine came with mower deck and 54 inch snow plow. I was told it also had a snow blower,which was taken by a relative. I installed the snow plow, and worked it up and down several times before it failed. The plow accuator lever on the outside of the frame broke off.It was welded on several times by the look of it. I removed the top shaft cover and found the rockshaft had also been reinforced so often that the rollpin had been welded over as well.QUESTION. How does one replace a rockshaft when they are no longer available. I am sure I can still use the mower deck,cause they are not that heavy.I have no need for any of the rear equipment, but if I can't get the front plow to work,I will part with everything. I am considering makeing up a frame and useing hyd cyclinder connected to front ports. that will be a lot less strain I believe. I hope someone can tell me of a cure for this problem.