Posted by Dick2 on May 06, 2016 at 10:56:16 from (184.101.30.75):
In Reply to: Re: Cummins swap ? posted by 4520BW on May 06, 2016 at 10:18:35:
The AC transmissions could be made to be a bit more reliable by following the service recommendations that were issued in the late 60's. It was discovered that the shafts of the transmission were flexing and that reduced the gear teeth contact area and caused failures. The shaft flexing could be reduced by pre-loading the tapered bearings more than the original pre-load specifications. Then the transmission would hold the gear teeth contact better. However, not too much extra HP could be put through the transmission without causing failure. If the bearings were preloaded to the new specifications, the transmission could probably handle 10 -15% more HP; more than that is pushing your luck.
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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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