As my handle states, I would say the JD 730 Diesel. Even though they rated it at around 58 HP, and the 4020 D is rated more up around 90 HP. A stock 730D will about match or beat a stock 4020D. And let's not forget about fuel economy. Set to factory specs, a 730D will burn just over 2 gallons an hour under max rated load(1,125RPM). That held the record for a number of years. The 730D did not have a mid PTO or roll bars with canopy, but could have dual hydraulics, front rockshaft, PTO, and heavy duty 3 point hitch.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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