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Olds5282 11-10-2019 10:19 AM

Diesel jelling in cold
 
How do you keep diesel fuel from jelling while parked in a cold area?

RVRon 11-10-2019 10:43 AM

Diesel jelling in cold
 
1 Attachment(s)
This is what I use, 1 quart per 100 gallons. Under $10 per quart.
Add it to your fuel just before you fill up so it will mix thoroughly then run your engine for 10-15 minutes to get the now-treated fuel into all your lines. If you have a generator, run it the same.Attachment 266430

CountryFit 11-10-2019 10:55 AM

Some people also use Sta-bil, I have been using Star Tron Enzyme (now Home Depot carries it), works great.

dsnutes 11-10-2019 11:30 AM

25% K-1 works for me north east Pennsylvania

Petro 11-10-2019 11:34 AM

We always used additive (Howes). Don't forget to run your generator for 15 minutes also to get the treated fuel in its fuel pump and filter.

Don

Filthy-Beast 11-10-2019 11:47 AM

If you have hydronic heat run the burner in your Aquahot or Oasis too.

RVRon 11-10-2019 12:45 PM

Quote:

Originally Posted by Filthy-Beast (Post 5032434)
If you have hydronic heat run the burner in your Aquahot or Oasis too.



Good Point!

RobbyII 11-10-2019 01:26 PM

Power Service brand is the only one OK'd by Cummins.

richard5933 11-10-2019 01:48 PM

If you're going to be running in cold climates, it's also a good idea to fill from stations that sell winterized fuel. It has additives and a formulation designed to help prevent gelling.

Jshopes81 11-10-2019 04:50 PM

Get power service, diesel 911, and carry an extra set of fuel filters. Run the power service as you would any other fuel additive, it should keep you out of trouble most of the time. The diesel 911 is for when youre already in trouble and will be the first thing you do. The fuel filters (fill them with 911 before screwing them on, not diesel) will be your last resort before calling a tow truck. I work in the oilfield and we run everything on diesel fuel and ive operated all the way to -30. Ive learned a few tricks over the years. Weve also used big forced air heaters on gelled lines with alot of success but i dont see anyone carrying a torpedo heater, tarp, and a small generator to run it. Youre really in trouble at that point.

DonB2 11-10-2019 05:43 PM

Does anyone add anything if temp is only going to be below 32 for a few days at nite and in 40-60 during the days? Then above freezing at nite. In myrtle beach right now until jan 15th. Temps higher during day, cool at nite but only couple nite below 32

Gary RVRoamer 11-10-2019 05:46 PM

Diesel starts to gel around 32 F but doesn't become a clog problem until around 10-15 F. And that assumes the tank full of diesel has "soaked" long enough to reach that temperature - it takes more than a few hours at sub-freezing ambient temperatures.


This article is sort of an infomercial for the Sno-Cat brand of diesel treatment, but it covers the basics of diesel gel issue in easy to understand terms.

https://fuelandfriction.com/trucking...-fuel-gelling/


Here's another: https://www.injectorsdirect.com/how-...in-the-winter/


Note that the diesel sold in cold climates (snow belt states) is probably already treated at the refinery, i.e. it is "winter diesel" or is Diesel #1 rather than the common warm weather diesel #2.

Jshopes81 11-10-2019 06:32 PM

Winter treated diesel at the pumps has bit my rear a few times. Dont trust it.

dave&ginny 11-10-2019 07:05 PM

#1. Never trust the stations to winterize the fuel enough.
#2 in most cases, we’re all running “biodiesel”. If you look on the directions of the product, it says to DOUBLE the amount of treatment.

#3 it won’t hurt the engine to use too much treatment.
#4 the fuel must be treated before it starts to “wax”. Once it starts to wax, you must use 911 treatment and usually change all the fuel filters.


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