Re: Distillate

Posted by Bob Kerr on March 04, 2004 at 20:16:40 from (64.12.97.12):

In Reply to: Distillate posted by Mike on March 03, 2004 at 19:55:52:

Distillate was a bit heavier grade than K1. It might be still used for diesel fuel but I heard they add parrafine and other components to diesel to keep the injector pump lubed.One thing is certain, it was not as cleanly refined as K1 and had an odor to it. You can run diesel, but your plugs will get fouled eventually.Some dual fuel tractors did make more power with distillate and some did not, I have 2 dual fuel tractors, one is a 29 10-20 IH and the other is a 35 F-12. The F-12 went through a test on a dyno using both gas and kero in 2 different pulls, it made the same horsepower on both fuels but I did have to slightly lean the carb on kero to make the power so it would have been slightly better economy which may have been offset some by the extra engine oil you have to use when running kero. I have heard some old timers say distillate used to cost them as little as 4-8 cents a gal and gas cost 15-18 cents. An H or M dual fuel however has a different head and other parts and I assume a different compression ratio for the distillate use and therefor the different horsepowers show in the nebraska tests for those tractors. Some tractors that were made to run on distillate only (I.E. 1928 and earlier 10-20s)will not run worth a poop on gas when hot, they sputter and miss and you have to pull the choke part way on for them to run right. I talked to a guy yesterday about a John Deere distillate model that does the same thing on gas. A shutter or canvas roll up curtain was used in front of the radiator to keep the water temp up to lessen oil dillution. That kero will acually condense on the cylinder walls (especially at the bottom of the piston stroke where the water is cooler on thermo-syphon tractors)and get blown past the rings into the pan, the hotter the walls, the less condensation. They didn't have detergent oil in the 20s and the kero would separate from the engine oil overnight so you could use the middle drain cock on the oil pan to drain off the "bad oil" and add fresh oil to the top drain cock. I heard some old timers would dump the drained oil right into the kero tank and burn it! Another thing they used that dilluted oil (and old motor oil in general)for was treating fence posts in an old horse trough. I talked to an old guy who said his dad used to burn straight crude oil in his tractor during the depression in Oklamoma, he took it straight from a well on their farm and put it in the tractor tank. He said the plugs would usually foul out right about noontime so his dad would pull them out and let them soak in gas while he ate dinner.

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