international harvester had the their most powerful tractor out 85 years ago in 1935 which was the first diesel tractor in north America. the john deere R was out 14 years later with their diesel. WD40 had 461 cid. the R had 415 cid. both tractors would be in the same horse power range of just under 50 h.p. john deere does get the prise for the longest running model D for like 29 years. so the R would have been a big improvement. international was still in the lead at the time. at the antique tractor pulls I have out pulled R's lots of times with my WD40.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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