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Farmall 340 biodiesel?

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NotUrAverageJoe

New User
New to Diesel tractors & I want to know if I can run straight vegetable oil in a Farmall. I heard you can with little or no modification to the tractor. I heard there are some tractor 'Gurus' on this forum...

Thanks for the replies so far!!
Why won't it work? I heard in the real old days you could use peanut oil, hemp oil,soy or corn.. but I don't know..
 
Three reasons not to. ! it can and will disturb buildup from normal Diesel fuel making a real filter clogging mess. 2 It is difficult to assess what you are getting and from whom. Quality and purity are suspect. 3 The solidification issue is probable, not possible. Some vegetable oils are as thick as Crisco. Crisco does not pump until near 120 degrees or more. Not usual daytime temperatures. It sounds ecological, but the experiment is not cost effective to the environment, not your pocket. Used oil is best burnt in a multi-fuel combustor/boiler by a utility. Jim
 
Ive heard about people running used, filtered vegetable oil in old school busses so I was wondering why it wouldn't work in a tractor..
Thanx for the input guys!
 
I have run straight vegetable oil in both a 1996 Cummins and 1976 Allis 5030. Two conditions must be true, in my opinion:

a). Ambient Temperature must not drop below 50 degrees F.

b). Only run with an in-line injection pump. If your Farmalls has a Roosa Master pump, I would not recommend it.
 
Save yourself dollar problems and just stay with diesel if that engine and system was built for that it would be covered in the manual.
 
It'll work just fine in summer temps, 'til it doesn't. Then, you are going to be angry!
 
(quoted from post at 16:02:34 04/19/15) Ive heard about people running used, filtered vegetable oil in old school busses so I was wondering why it wouldn't work in a tractor..
Thanx for the input guys!
Click to expand...

Sure you run it in an old tractor! You just have to take the same precautions as the old bus people do.

It's not like you can just pour the oil through an old sock directly into the fuel tank, and hit the starter button. Well, you can, but it won't be reliable and will probably render the tractor unusable when the oil gels in the fuel lines.

The WVO systems on those old school buses are quite sophisticated, with a separate, heated, tank for the vegetable oil, extra filters on the vegetable oil supply, a way to switch between diesel and vegetable oil for startups and shutdowns.

There's a reason they use old school buses. The WVO fuel system takes up half the bus!
 
Just don't do it. The above comment about summer is to imply that even then it will up and not work, die, fail to start, or worse. It is not worth the trouble to have a good feeling. Jim
 

Used cooking oil is NOT bio-diesel. Bio-diesel is soybean oil, blended with diesel fuel. Kind of like E10 gasoline is alcohol made from corn, and blended with gasoline.
 
No, biodiesel is not "soybean oil blended with diesel fuel."

Biodiesel is any vegetable oil that has been processed to remove the glycerol. That's the part that makes the oil get thick in cold temperatures.

And NO, AGAIN, you can NOT just dump vegetable oil in and run it. Not even in summer.
 
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