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Old 02-19-2016, 02:22 PM   #1
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Suggest a Aux in-bed tank for DRW Ram 3500

Any suggestions on a moderate size (30-45 gallon) tank for a megacab 3500 DRW? The bed is already short enough, so I'm considering a vertical configuration like one of these? Gravity feed.

37 Gallon In-bed Fuel Tank System - TRAX 3 - Transfer Flow, Inc. - Aftermarket Fuel Tank Systems $1300 + shipping

RDS Vertical 45 Gallon Fuel Transfer Tank/Auxiliary Fuel Tank #71083 $500 shipped..


There is obviously a big price difference...
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Old 02-19-2016, 02:39 PM   #2
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How about side saddle tanks that fit under the bed rails and over the top of the wheel well. These are approximately 15 gals, so you could install two of them one on each side and not take up any bed space. Another idea is remove the spare tire and install a spare tire fuel tank as another option. This is approximately 30 gallons. Check out the Titan fuel tanks web site.


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Old 02-19-2016, 03:39 PM   #3
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Jim,
Thanks for the suggestions.

The Titan wheel spare tank is here.
It's 30 gallons, requires a fuel pump / electronics, and costs $1800 + shipping.


The Titan sidekick wheel-well tank is here. 15 gallons - gravity feed. $450+ shipping


I want to stay away from the pump-based options (Keep it Simple)...
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Old 02-19-2016, 05:22 PM   #4
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What year 3500?

The Transfer Flow units are excellent. I have the 60gal replacement tank on the 2012 DRW.
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Old 02-19-2016, 07:04 PM   #5
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is this a direct replacement tank for the factory one?
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Old 02-19-2016, 07:46 PM   #6
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Originally Posted by cb1000rider View Post
Jim,
Thanks for the suggestions.

The Titan wheel spare tank is here.
It's 30 gallons, requires a fuel pump / electronics, and costs $1800 + shipping.


The Titan sidekick wheel-well tank is here. 15 gallons - gravity feed. $450+ shipping


I want to stay away from the pump-based options (Keep it Simple)...
Twoi 's UP for the Titan. I had it installed on my 2013 F350 DRW. Somebody else was the lucky recipient of that mod when I traded it.
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Old 02-19-2016, 07:47 PM   #7
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This is a 48 gal tank made by RDS.Fits under tool box Works really well. Northerntool.com is best place to look.
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Old 02-19-2016, 09:01 PM   #8
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Had a Transfer Flo on my last f250. Very intelligent system. No problems what so ever. I have a mega cab too and would like a set up like Moomba80 posted.
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Old 02-19-2016, 10:54 PM   #9
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I am going with the RDS 72646 aux tank. Much smaller toolbox than above but it fits under the tonneau cover.
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Old 02-20-2016, 06:29 AM   #10
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I would be VERY careful with a tool box mounted above the bed rails towing a 5th wheel!

I keep a 5 in the tool box for the "just in case" scenario.

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Old 02-20-2016, 12:38 PM   #11
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There is obviously a big price difference...
The TransferFlow is worth the higher cost. That Trax system is wonderful. You don't get anything similar to the Trax system with less-expensive tanks.
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Old 02-22-2016, 04:14 PM   #12
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Have 48 gal transfer flow. Sprayed to match bedliner. The fuel gauge is called trax is a multicolored bar gauge. Low flow elec pump on top of tank. When your fuel tank goes down to half it auto fills it to three fourths or you can do it yourself.
Works and looks great.
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Old 02-23-2016, 09:28 PM   #13
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What about 5-6 diesel 5gal jerry cans across bed?
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Old 02-23-2016, 10:15 PM   #14
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That is always a cheaper alternative--if you are young enough to hold them up while emptying into the filler neck. People have been doing it for years that way, at very little expense. Kinda depends on what you consider is convenience vs cost...
Have never been able to fill multiple diesel containers without making a mess.
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