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Red: The only time I ever did this was on my 560 Farmall with the 282 diesel. An IH technicion did this for me so I am not familiar with the actual process. I do know it was not all external settings, he didn't remove pump from tractor but he did have a cover off. My 560 did not have a turbo and he was able to obtain 100 hp pto but it was at about 600 rpm on pto so he did increase engine rpm some. As I recall 560 obtained 540 pto at 1800 rpm and was governed at 1950 rpm when new. I think he had the governors set at 2150 rpm when he was finished. We did not leave the 560 at 100 hp, in fact we cut it back to about 90 hp, and still at about 600 rpm on pto, about 1980 engine rpm. I farmed with the tractor set that way. Until I got 1066 in 1975 most of the 560 pto work was on forage harvester, and I liked the 600 rpm pto for that. After buying 1066 I used 560 on silo blower, and again 600 rpm pto worked well. If baling I did keep it at 540 rpm on pto. I put 11,000 hours on 560 in 17 years set that way. The technicion that did those adjustments would only do them with dyno present. If I were you and did this I wouldn't be shifting it back and forth for pulling, just leave it set and use good judgement. You should have a pryrometer with that turbo though. My 560 did blow up at 11,000 hours, I have no regrets, it was economical hp. I guess I should have traded it for a new 806 way back when, but money wasn't all that plentiful, so you put up with what you have, until tmes get better. I will add this 560 was awfully hard on pto clutches set at 90 hp. But then IH really never mastered that live pto until the 06 and 56 series tractors.
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