A common cause of hyd oil from the torque tub where pump is located and migrating the rearend is a leaky 3pt piston seal, which is located under the seat. Under the seat is a big hex plug on LH side. That is the dipstick/fill for the rearend. If oil level is high the seal could be the problem. To check the hyd level look under the dash on the range shift cover. square plug and breather cap,front corner, fill and dipstick. If hyd is low add good tranny/hyd fluid to bring it up to full line, and try it again. Scroll down and join us on the CASE board. Lots of great guys there who will guide you through any problems you may encounter With your 311B. A lot of us are former dealers and mechanics who know your tractor model well. Loren Loren
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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