I had a Case 411B that did the same thing. I was plowing a big field and the tractor pulled the plow nicely until I hit a tough spot or a steep hill. I tried all the fuel and ignition checks and nothing helped. We finally found the problem to be a faulty condenser that was breaking down the spark when engine started lugging down under heavy load. I took a condenser from another similar tractor and put it into the 411B and problem solved. However the problem transferred to the doner tractor after the switch, proving a faulty condenser. I got a new condenser for the doner and problems solved. 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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