Posted by Andy Martin on December 26, 2007 at 05:41:45 from (63.99.111.188):
In Reply to: Nebraska tests posted by RickB on December 26, 2007 at 03:01:17:
OK, here's my take on fuel economy. All I do is hay a little, and feed cattle, and I run M Farmalls.
Nebraska Test 328 in 1939 reported 12.16 hp-hr/gal for the M. I used about $2,065 in fuel in 2007. At an average price of $2.79/gal this is 740 gal. I keep my tractors tuned up, so if I use the 12.16 hp-hr/gal I would have used about 9,000 hp-hr. If I had a good newer tractor getting 14.74 hp-hr/gal I would have saved 129.5 gal for the year, but might have only saved $155 in fuel due to the higher price of diesel.
Now if I buy me a new John Deere, I can expect to get up to 16 hp-hr/gal, and my annual fuel savings would zoom to $300. Maybe not enough to make one payment, but I'd still feel better about saving fuel.
One point about farming with an M or H. To save fuel you need to keep the main jet screw turned in to avoid black smoke at full load. You can turn the screw in when doing light work, and you will hear the engine miss when you need more fuel. Running a square baler is light work, so is brush hogging and sickle mowing, my Vermeer 4x5 baler takes a little more fuel, but plowing with 3 14's and pulling a full NH bale wagon down the highway takes the greatest screw setting.
I heard folks say an M sucks 55 gal a day but mine won't take that much.
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