> I have a 5020 and an IH 1256. My uncle also had a 1256 which he later traded in for a 5020. To say a so called stock 12 whatever can over take a 5020 is BS. And a 4020 keeping up with a 5010 is just as BS.
I'm not familar with the IH 12xx, but I agree it is preposterous to claim a stock 4020 could out-pull a stock 5010, let alone a 5020. It is contrary to common sense and the laws of physics for a lighter, less powerful tractor to outperform a heavier, more powerful one. Fortunately, we don't need to rely on dubious anecdotes for proof, as the Nebraska Tractor Tests tell the real story:
JD 4020 maximum drawbar horsepower: 76 hp at 5 mph (4th gear)
JD 5010 maximum drawbar horsepower: 106 hp at 5 mph (4th gear)
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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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