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Old 09-06-2018, 04:15 AM   #1
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Diesel storage

I carry 5 gallon extra diesel can. How long can diesel be stored in this way and still be useable?
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Old 09-06-2018, 04:51 AM   #2
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Diesel storage

I would say 6 month to a year. If kept in a good container. Temperature is a factor and for sure water is a factor. When I used to carry an extra can I would empty can into my truck after each trip. Then fill it again for next trip. Diesel fuel does not break down like gas will.

Iíve purchased many older semiís for parts. Many times they have had fuel in them. Sometimes these truck been setting for 3 or 4 year. I have use that fuel in equipment right along with current fuel. The equipment I would use this fuel in is older diesel motors before computers. Those old motors are much more forgiving that these new computer run motors.

Fuel setting around for long period of time can generate an algae but most likely not in an air tight container.

Russell
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Old 09-06-2018, 06:13 AM   #3
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Water is the enemy of stored fuel but the old military style (jeep?) tanks are air tight and will not cause extra water like condensation to collect.

Bio Bore is a bug killer and use full in larger non sealed tanks .

Diesel over years will clump,called asphalting, but this is easily caught by the vehicles fuel filter and may take a decade.

I would be very cautious storing bio doped fuel as it loves water and also may be unstable.

If required use the bio stuff at every fuel fill first , then refill the portable can.
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Old 09-06-2018, 06:50 AM   #4
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Hi,

I am with CAT.

On long trips, I carry five gallons in case I get caught short. When back home, I add it to the tank.

My recent Texas trip had my spare fuel baking in 100 plus temps for several weeks, and I worried a bit about algae. But no problems after using it.

FWIW.

Rich Phillips
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Old 09-06-2018, 07:17 AM   #5
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Quote:
Originally Posted by namusmc View Post
I carry 5 gallon extra diesel can. How long can diesel be stored in this way and still be useable?
Just put in some Sta-Bil for Diesel fuel if you have any worries.
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Old 09-06-2018, 03:58 PM   #6
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X2 on carrying a fiver and adding at end of trip.
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Old 09-06-2018, 04:48 PM   #7
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Probably not recommended for the newer saving the plant diesels, but I had some off road diesel stored in a 110 gal fuel tank I have for my whole house gen. I siphon out of the tank for my tractor as needed.
I just dumped the last 5ver into my tractor this last week. I recently refilled the tank, and siphoned all I could out of the tank first.
I will say, I added both a BG moisture control, and Seafoam to the tank, to help stabilize the fuel, and control any condensate moisture. I think there was some Stabil added also.
Florida is not the best place for prolonged fuel storage, because of high humidity and plenty of heat. The tank never sat in direct sunlight, but the building itís in is not temp or humidity controlled. In fact, it gets very hot in there in the summer. Winter temps occasionally dip to the low 20ís or even low teens.

I canít remember exactly when I filled the tank last. It was more then 5 years ago. It still works fine in my tractor, and the Generator.
Would I recommend adding fuel that old to a newer diesel powered vehicle? No. It will however keep longer then most people think when you use a good quality fuel stabilizer.
I think Stabil is a decent product. Add it to your fuel the last fill up before putting the RV to bed for the winter, and run it long enough to make sure it is circulated through the whole system.
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Old 09-06-2018, 05:15 PM   #8
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Iíve been told that K100 MD works well for diesel fuel. I use their gas and diesel treatment and havenít had any problems.

https://www.amazon.com/K-100-Additiv.../dp/B008D6HI8K
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