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 - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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