So by your test #s, two individual R's produce 2000# more pull & 3 more hp than your 4230. It is a well known FACT that two tandem hitched tractors produce a pull that is greater than the sum of their individual pulls. So adding them together mathematically gets you 13,200 pounds pull but hitching them together in the field gets you some # quite significantly more than that, because any fool knows also that an R is traction limited in first gear, as would be your 4230 in A2, even heavily ballasted. But I still don't know why it matters at all because the original question did not pertain to anything other than 2cyl machines.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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