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Roger..... ...every spring the N-Board gets the same question, "can I rototill with my N-Tractor?", and everytime the answer is still the same, ALL N's and NAA's are too high groundspeed for rototilling even with the dealer installed "Sherman" Under/Drive aux-tranny. I can't find my tables right now to quote you exactly but its something like this. You need to operate your PTO at 540 rpms which is about 1800 rpms engine speed for max horsepower. Rototilling takes alotta horsepower. 1800 rpms in low/under is about 1-1/2 mph. Some rototillers require 1000 rpms PTO, thats about 3000 N-Engine rpms. The N-Engine is governed at 2200 rpms MAX. The rototiller requires a ground speed of about 1/2 mph. This would equate to about 700 engine rpms and no horsepower and PTO rpms of 200. These arn't exact but are close enuff for illustrative purposes. Howsomevers, there is a rare and fragle after-tranny aux-gearbox called the "Howard". It slows the ground speed by about 2/3's but does NOT slow the 540 PTO rpms. Back in early 70's, when I was ranchin' near Lodi Calif, there were aux-engined rototillers that were 3-point mounted and pulled behind N-Tractors thru the vineyards. I don't know who made them. Bottom line, N's ARN'T rototiller machines, but are 2-bottom plowing tools. (after all, thats what they were designed to do, replace horse drawn plows)..... ..respectfully, Dell
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