If 'Max' is not an actual HP number... then it's not really 'MAX' is it? If you want to know HP at maximum torque why not just calculate what that figure is?
On a lot of modern high torque rise engines I'd take some of those numbers to be reasonably close to maximum power over rated. It's not uncommon to see 50% torque rise on some engines today which often gets produced very quickly below rated speed, thus a large power bulge. 10-20% power bulge is not uncommon... although the likelyhood of those tractors having the cam profile and turbo to produce it is low.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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