Posted by glennster on May 04, 2012 at 04:15:59 from (99.90.9.153):
In Reply to: 1941 O4 posted by Wanda and Phil McCullers on May 04, 2012 at 04:02:23:
from my parts book on the o-4, the w-4 and o-4 took the same manifold. the orchard series has the underslung exhaust, and used an exhaust adapter flange, p/n 9117d and a special curved exhaust pipe. p/n 57992d for the high compression gasoline engine. for the distillate motor, p/n 54569d was used. the 4 series and the farmall h shared the same engine, so many parts are interchangeable. this site sells the exhaust manifold and gaskets for the h, you would need to use your old exhaust pipe, or have a muffler shop bend up the pipe for you.
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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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