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diesel fuel?

Bio works fine in warmer weather, it's about all you can buy in MN, just don't buy any in the summer and plan on using it in the winter. My understanding the bio puts back some of the lubricity lost when they took out the sulfur, and it cleans your system. I add a little 2 stroke oil and biocide to mine.
 
Can we assume that's because the bio portion is scouring everything clean?

My fuel supplier has a very large tank which has had nothing but gasoline in it since new, for something like 60 years. With his very first load of ethanol, he knew he was in trouble, when, sticking the tank, they found several inches of crud on the bottom. They literally had to get in there and shovel it out. I wouldn't have guessed sludge like that could accumulate with gasoline.
 
That is exactly what happens in older fuel systems and storage tanks. The biodiesel will break up the asphaltine type substances that settle out of diesel fuel and fuel oil and then cause filters to plug till it is cleaned out. I have also observed that the 10% ethanol gas will dissolve old varnish in carburetors that can cause issues to. Unfortunately the ethanol can dissolve or deteriorate lot of other stuff too.
 
I have a Bobcat skid steer,and a Bobcat excavator.Both have 40 HP Kubota engines in them.In the owners manual packets there are
sheets added in,from Bobcat,saying my warranty would be void if I used biodiesel.This was in 2000,so I don't know if they were
having a problem or just being cautious until they got some test time in.I've never knowingly used it,so I have no personal
experience with it.
 
I used some E-85 to purposefully clean sticky old gas residue from a Farmall H gas tank. Let it soak in different positions over a period of days. Worked fairly well.
 
Bio diesel is horrible stuff, almost ruined my case 1490, just plugged everything up, the filters as well as the hose in the tank. I was lucky to get it restarted. Maybe in a tractor that gets used every day in a non humid climate. In humid places the water in the tank is fertile ground for the bio part of that crap to start multiplying and starts a growth of bacteria that start attaching themselves to everything, especially the filters. It's brown and sludgy looking. I use biocide in all the fuel that goes in there, It's really hard to find pure diesel fuel, almost all of it has friggin bio diesel in Illinois. Avoid it if possible, treat with biocide if you can't.
 
We have used soy diesel for over 20 years (b 11). Used in JD 720 thru JD 8235R simis and service truck. Used winter and summer. Some tractors and combine will set from fall til spring. We have never had an issue. The trick is to buy good fuel from a good reliable suppler.
 
B2 to B5 bio works pretty good in winter, it will gel a little faster so you have to be more aware with your anti gel strategy. Im in Minnesota.

B5-B20 works well in summer.

Id not want the new dry diesel fuel with no bio in it, it has too little lubricity. The bio, even just 2%, is so much better.

The bio is a bit of a cleansing soap in your fuel system, if an old or dirty system it will soak loose and flush out a lot of goop when you start using it, from your bulk tank, engine tank, and lines. So you will need to change some filters to keep up, but Id say having a cleaner fuel system is a good thing, not a bad thing.

Paul
 
I run both regular and bio in my 02 Dodge with 24 valve Cummins. Never had a problem and can't really tell the difference in performance.
 
We did use it in the 4430 and combine. The 4430 used less for sure. After seeing photos of what soy diesel does to antique tractor that sit for months. I wouldn't use it in anything not used regularly.
 
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