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 - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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