7.2 lbs weight in a US gallon of #2 diesel. A Deere 8320 made 18.93 HP-hr-gal at max rated. That would be 0.380 lbs fuel per hr per HP. The 720/730 diesels were ahead of their time making 1799HP per gallon per hour or 0.400 lbs per HP per hour. Best engine to date is a turbo two stroke marine diesel at 0.260 lbs per hp per hr.That's 27.7HP per gallon per hr.Over 50% efficiency too. IF............you could wring 100% efficiency from a gallon of #2 at 129,500 btu per gallon.An "engine" would make 50.9 HP per gallon per hour. So 37.2% fuel efficiency on a farm diesel while running all those accessory loads and emissions equipment ain't shabby.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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