Off road diesel

   / Off road diesel #1  

tractortroof

Silver Member
Joined
Oct 30, 2016
Messages
236
Location
Jacksonville
Tractor
kubota b2650
I’m wondering if I filled up my 100 gallon tank with bad diesel. This was filled up 7 months ago and the backhoe fuel filter/separator just clogged up with like brown gunk. I changed it and it worked fine.

How do I check the fuel in the transfer tank? Any additives that I should add?
 
   / Off road diesel #2  
Drain some fuel from the transfer tank unfiltered into a large glass jar and look at it. You'll be able to see any water, algae, gunk, etc. pretty easily.
 
   / Off road diesel #3  
Brown gunk is microbial algae. Bad Ju Ju. I'd dose your fuel with Powerservice Bio-Kleen according to the bottle instructions. I use it religiously all the time. Been down the algae road and it can be expensive to fix.
 
   / Off road diesel #4  
Are you using bio-diesel or a bio-diesel mix? That is a lot more susceptible to microbial growth.

Is your tank outside in the heat and cold where condensation can form inside the tank?
 
   / Off road diesel #5  
As mentioned a Biocide added to the fuel,
and I would add a filter to the outlet of the tank (pump).
After adding the biocide I would run the pump circulating the fuel in the tank to get it blended well.
Then have some spare filters as the dead algae will pump up your filters.
I did clean up a storage tank one time that got infested, after treating it with a biocide twice I started ciculating it in the tank using the dispensing pump it took several filters to get it cleaned up.
Now I routinely add a biocide at every fill up, just as a preventive measure.
 
   / Off road diesel #7  
Another user of biocide. Many people scoff at using additives but if they prevent even one issue, they are worth it to me.
I was down with bad fuel and clogged fuel lines a few years ago, when getting ready for winter and didn’t really need the aggravation.
It took me a couple of weeks to figure out what was wrong.
Biocide is cheap insurance.
 
   / Off road diesel #8  
Between biocide in my diesel and Blue Marine Stabil, I've been issue free for a couple years now. I also quit using B20 as well.
 

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