Durb
NW
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Joined: 01/15/2016
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After a long trip, my auxiliary tank is currently empty. I have winterized my trailer and won't be towing until next Spring. I have no need for the added range the tank offers until then. Should I leave the auxiliary tank empty or fill it up for storage?
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jdc1
Rescue, Ca
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Joined: 05/30/2011
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Diesel? Diesel will last a day before forever. Gas? Gotta keep cycling it.
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JRscooby
Indepmo
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jdc1 wrote:Diesel? Diesel will last a day before forever. Gas? Gotta keep cycling it.
This. But you also need to think about the extra fuel and wear needed for hauling the weight of fuel you don't need.
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wanderingbob
monticeeo, fla
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Fill it up , helps prevent condensation , also fuel is pretty cheap now .
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Durb
NW
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I'm not concerned with the weight or cost of the extra fuel. Do I have to put an anti-algae agent in the fuel if I let it sit for 6 months? If so, recommendation. The weather will be cool and humid (rain).
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Grit dog
Black Diamond, WA
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It won't hurt to let it just sit full, but why...
Either leave it empty or empty-ish, or continue to use it if it's a gravity feed tank. Is it an actual auxillary tank, or a slip tank you have to pump in?
Unless the truck is just parked, then I'd leave it empty.
If it's parked outdoors, condensation is a concern. In doors, not hardly at all.
"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.
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Edd505
Elephant Butte, NM
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I keep mine full at all times, trucks filled from the tank and tanks gets filled at the pump, keeps the diesel fresh. I use the TSD fuel card currently at the T/A truck stop for best price. Closest is 75 miles from home in a city I get to once a week or maybe two at the most.
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Bionic Man
Colorado
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My aux tank stays full all the time. My truck is rarely used in the winter. Never had a problem with the fuel, and I don't use any additives.
2012 RAM 3500 Laramie Longhorn DRW CC 4x4 Max Tow, Cummins HO, 60 gallon RDS aux fuel tank, Reese 18k Elite hitch
2003 Dodge Ram 3500 QC SB 4x4 Cummins HO NV5600 with Smarty JR, Jacobs EB (sold)
2002 Gulf Stream Sea Hawk 29FRB with Honda EV6010
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Lantley
Ellicott City, Maryland
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My thought is keeping full. Avoid any moisture or condensation in the tank.
Weight and cost are negligible factors for me.
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fj12ryder
Platte City, MO
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If the tank is full there is less room for condensation to form. I always fill both tanks before I put the Cummins away for the winter.
Howard and Peggy
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