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Old 12-16-2013, 10:19 PM   #11
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Originally Posted by ependydad View Post
Newbie to this stuff - with a pump and nozzle, does that mean that you have to pull over to transfer fuel?

How hard is it to tie the 2 tanks together? And, is that even a good idea?
Yes I mostly transfer the fuel at rest areas or at the campground. I have it set up that way because I also use it to fuel up my diesel tractor. I am thinking of also adding a 12 volt solenoid valve and having the fuel gravity drain into the truck tank while driving.

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Old 12-16-2013, 10:24 PM   #12
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Originally Posted by Duckogram View Post
This might help...
Oversize Tank - Replaces the OEM Tank

Aux Tank - In addition to the OEM Tank Can be frame mounted or bed mounted.
There are many ways to get the fuel from these tanks to the engine.

Transfer Tank - These are mostly bed mounted however there are some that can be frame mounted. You must manually transfer the fuel from these tanks. The advantage is that you can also pump to another vehicle if necessary. You see these a lot down on the farm.

I have seen folks tie these into the filler neck for their main tank and use an electric pump switched in the cab to make the transfer. They use their fuel gauge to view the progress. Some aux tanks have a similar set up but there is a overflow prevention shutoff built into the replacement section of the filler neck.

Most of the folks with 3/4 ton Crew Cab Short beds look for these to extend their range however they are pushing the GVWR numbers if they have more than an ultra light.
What he said! I've seen a couple with gravity feeds (with a manual valve to allow fuel to feed from one tank to another) and some with electric pumps to allow you to transfer the fuel from the Aux to the primary comfortably from the cab of your truck which would be my preference.

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Old 12-16-2013, 10:47 PM   #13
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Thanks fellas.
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Old 12-17-2013, 05:51 AM   #14
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You can go to Titan and just replace your tank, its not cheep but its a option, that way you can just put in as much fuel in as you need.
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Old 12-17-2013, 07:11 AM   #15
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I have this. I had it installed. It's not cheap but it works for me. It's in the bed in front of the 5th wheel. I have an 8 ft box so I do have lots of room. In total I have 86 gallons of fuel.
50 Gallon Cross Bed Fuel Tank - Trax System - Transfer Flow, Inc. - Aftermarket Fuel Tank Systems
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Old 12-17-2013, 07:55 AM   #16
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Old 12-17-2013, 08:09 AM   #17
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I was worried about having a 26 gal tank in my TV in the beginning. After several long trips it turns out I needed a break about the time I needed fuel if not before. I did carry an extra 5 gal. of diesel on one extended trip but didn't even come close to needing it.
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Old 12-17-2013, 09:11 AM   #18
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I wish I could buy a bigger tank to replace the DW
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Old 12-17-2013, 09:35 AM   #19
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With a 38 gallon tank I would have to pretty much stop for diesel fuel in each state. And while I normally stop every 3-4 hours it would not be an issue I hold the extra capacity not to run longer, but to avoid the states where fuel can be more expensive (FL is averaging 4.09 a gallon, but GA is only at 3.74 as of 12/17/13.) So I have a 45 gallon transfer tank with a gravity fill kit. This allows me to stop in the southern portion of GA, head to FL for my 2 week vacation, and probably not require fuel again until I am towing north and can save money.

Now mind you I did add the tank, its a 45 gallon with a small tool box. It was about 100# all aluminum. And even with the extra fuel load, I am still under my weight ratings with the 5th wheel. And because of the 5th wheel I try to keep what we have inside the truck at a minimum to save not just space but weight.
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Old 12-17-2013, 09:46 AM   #20
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Replaced the 26gal tank with a 50gal Titan tank. Tank fits in old tank location. Usually fuel up at the end of the day after I dropped off the RV. If I don't fill up at the end of the day can usually run till the end of next day. Easier to fuel up without the extra 36'.

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