Transfer Flow 58 gallon replacement tanks are finally being sold and installed!!!!

There's a Federal law Magnuson-Moss Warranty Act that in theory protects you if you do any after-market modifications to your vehicle. Under the law, the OEM would need to prove that the modification caused the issue that you are seeking warranty coverage for.

That said, the only thing that you're likely to have to deal with as a result of installing the extended fuel tank is the fuel pump. Transfer Flow fuel tank systems are backed by a 6-year, unlimited-mile warranty so if something is going to fail there, they have you covered. You wouldn't need to deal with the OEM on that. I can't think of anything else they would try to say the fuel tank caused the OEM part to fail, but I'm sure there's something I'm not thinking of that others might be able to point to.

That said, I've probably put 15 - 20K miles on the truck since installing mine and it is the most functional and useful mod I have done and it has been great to have the extra range.
Great information and answers all the questions that I had.
 
Is yours a pre 23? 2024 in my garage and not buying till DTE is figured out in ForScan
I have a late year 2023 (built 9/2023, delivered 10/2023) ... Personally not being able to correct the DTE is not a big deal for me. I have consistently found that when DTE reaches zero, I typically have 8 gallons in reserve (+/- 0.5 gallons). I reset both trip 1 / fuel economy gauges and just calculate fuel used by dividing miles driven by average m.p.g. to get an estimate of distance to when DTE will reach zero (meaning I have 8 gallons remaining) and on long drives, I'll also estimate true distance to empty (how far I can drive on the reserve) to determine if I can stop at a preferred gas station or need to find something closer. So far this approach has been really reliable. I typically aim for 50 gallon fill-ups.
 
For those who do not want to wait for the DTE fix, I went with a 50-gallon Transfer Flow auxiliary tank in my bed that automatically fills the main tank through the standard filler hose. This gives me 84 total gallons for when I am towing my fifth wheel, and the best part is it slowly fills it when my main tank reaches the halfway point, so I never had to change my DTE. You can see from the photo the tank fits under my roll top and it does not interfere with my Goosebox when towing. (The faint square you can see in my carpet is what I remove to slide in the 5" offset gooseball and my safety chains)

My truck reads from about 3/8 to 5/8 of a tank for a *really* long time and I never had to mess with Forscan. When my truck finally goes below 3/8, I know the main tank is empty, plus they have an App that can tell you how much is in the auxiliary tank at any given time. Their App does its own DTE which adds the two tanks together. Mine is showing 1428 miles to empty. :cool:

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I love that setup but it is only compatible with diesel. @MiTremor906 and I did our best to replicate it (well, except for the cool app) for gas here:

 
I love that setup but it is only compatible with diesel. @MiTremor906 and I did our best to replicate it (well, except for the cool app) for gas here:


Yep, sorry about that. I deleted my post to avoid confusion for those with the gas engines.
 
I don't think it will impact anything with the warranty's unless it is a tank problem then TF's warranty would kick in. TF tanks are well made and there parts that ship with the replacement tanks are as good if not better than factory. That's just my 2 cents worth, maybe somebody here knows more about it then me.
One more question.
Due to the weight of the new 58 gallon tank, plus the weight of the additional fuel, is there any noticeable suspension sag on the drivers side due to the extra weight ?

Or any stability/handling differences noticed when it is full ?
 
One more question.
Due to the weight of the new 58 gallon tank, plus the weight of the additional fuel, is there any noticeable suspension sag on the drivers side due to the extra weight ?

Or any stability/handling differences noticed when it is full ?
I did notice it a bit at first as the truck drives different. After a while, I don't notice it anymore and the difference between full to empty is not as noticable. I think it rides better with a full tank. You're adding an extra adult male to the truck, so think of how the truck rides, handles, driving characteristics when you have passengers and you'll get about the same with the tank.
 
I did notice it a bit at first as the truck drives different. After a while, I don't notice it anymore and the difference between full to empty is not as noticable. I think it rides better with a full tank. You're adding an extra adult male to the truck, so think of how the truck rides, handles, driving characteristics when you have passengers and you'll get about the same with the tank.
I think you will notice it the first time you fill it up. But after that it just becomes part of the truck and I haven't thought about it since, kind of like putting bigger/heavier tires on the truck. It does smooth out the ride. As far as the truck sitting any different I haven't noticed any difference, but I also already had a 500# toolbox in the bed.
 
One more question.
Due to the weight of the new 58 gallon tank, plus the weight of the additional fuel, is there any noticeable suspension sag on the drivers side due to the extra weight ?

Or any stability/handling differences noticed when it is full ?
The tank is located between the frame rails so the weight distribution is essentially equally distributed on the suspension, no different than having an adult passenger sitting behind the driver.
 
For those who don't know, last year I created a survey to show transfer flow that there is a market for a replacement extended fuel tank in the gas super duty lineup. Currently you can only get a transfer tank in the bed of the truck, not a tank that will replace the OEM gas tank. Transfer flow was impressed by the overwhelming positive response and started designing a tank. I just received an email from my contact at transfer flow this morning, and the tank is finished! They have a date with the CARB, which have to approve the tank for use in California, where Transfer Flow is headquartered, before production can begin.



The tank is 58 gallons and fits crew cab short bed trucks. They said a different tank would have to be designed for crew cab long beds and other configurations. They do plan a crew cab long bed tank, it is unclear if that would be larger than 58 gallons. The tank should be about $2,000, but the final price is not set yet.

Edit: forgot to put that they are hoping to release by April.



Thank you to everyone who responded to the initial survey, it worked!
Have you found a dealer to buy it from?
 
Have you found a dealer to buy it from?
Not sure if you're needing help finding an installer, if so here's the list of those who have registered with TransferFlow: https://www.transferflow.com/find-an-installer

There are members on the forum who have installed these themselves. It's possible to do, but easier if you have the right jacks and/or straps to hold the new tank in place while you make the fuel line connections.
 
I have to agree with previous post about being the best mod I've done on the truck. Better than suspension upgrades in terms of cost and the benefit. IMO, of course. Before I installed the TF tank, I had a 42 gallon slipper tank in the bed. Now I have 100 gallons possible on board. As far as handling and etc? I honestly can't tell a difference from behind the wheel. Even though that's about 800lbs of tanks and fuel on board.
 
Have you found a dealer to buy it from?
I really would like to do this upgrade, Shame on Ford for not putting the bigger tank in as a stock item right out the gate. Costly upgrade but not having to stop for gas is a game changer especially since i'm going fulltime and i'll be pulling 35ft Toy Hauler behind my 2022 F350 Tremor 7.3L. Sooo...hopefully the price drops since the demand is up...:)...!!!
 
I bought the Transfer Flow 58 gallon tank. I am going to attempt a driveway install. To install it by the official dealer for Transfer Flow not too far from me will cost me at least an additional $580 to $700. They could not guaranty that they could install it in 4 hours. That just adds more to the already expensive cost of the tank. The other thing is I am finding in our decaying culture people being paid to do work don't do it as if it were their own. So sloppy work.

I have looked at the installation instructions and also at the video install that Transfer Flow did and also at another install which is very limited in what it shows. The biggest thing is being able to lift it into place via some device and I have an electric lift table which will handle 1000# however it is 11" high. So I have to get the truck up higher to slide it under with this lift. So I am trying to figure out what I do. Maybe place some wood under my jack-stands. But of course you have to be able to jack it up to that height as well. So some real challenges. I have a friend who has worked on cars for years and he is going to volunteer his time to help me. He is also a body builder and very strong so maybe I forget the electric lift and make some supports to put under the tank once we lift it to the proper height. Not sure.

I have received the tank into my office. We have a loading dock so that saved a little money on the shipping cost. They gave me $200 off since it was the end of the month and they were trying to move inventory so every little helps when you look at the cost of the tank. While it is in my office I took the time to weigh the tank by itself and then added the parts as well. I centered the tank on our shipping scale which measures up to 150#. The tank empty from the factory weighed 129.7#. The hardware parts weighed 23.85# and the charcoal canister (I think that is what it is) weighed 4.25# and there is a metal piece that has to come off of it. So total together weighed in at 145.1 #. I have weighed my truck bare but with a full tank of gas at a CAT scale and it weighed 7,300#. So once I get the tank installed I will weigh it with the Transfer Flo tank and a full tank of gas. Then I should be able to determine what the real difference is and I can make note of it for the updated payload. You can see pictures of the tank in this post. And as a by the way remark, the shipping container that it was in was destroyed in many ways. It was all double layered cardboard which was good however the skid was all cardboard too with the legs under it being glued onto the box. I would have thought that they would have banded it down to a pallet but they didn't. I live in NJ and it was shipped from Tennessee so they must have a warehouse that they use for east of the Mississippi orders instead of shipping them out of Chico, CA. It only took two days for it to get to me via freight. If anyone wants to see a picture of the shipping container just comment on here or you can PM me as well.

Now I want to get it installed but I need some warmer weather as well along with a day where I have the available time.
 

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I had a local after market shop near me install mine, they are one of the installers on TF list. They have installed a lot of replacement diesel pickup tanks by other manufactures and done a lot of TF in bed tanks, but this was there first TF gas replacement tank. When I went and picked it up I went out to the shop and talked to the guy that did the work. He said this was the easiest install and best engineered tank he has ever installed, he said all hose and fittings all lined up perfect and nothing was missing. He did say the direction were spot on, just follow them just how there are written and in order and anybody could install these if they have the ability to get the tank lifted up to the right place. That was the hardest part of the install. Sounds like you have it figured out, you shouldn't have any problems going by what this guy told me.
 
I bought the Transfer Flow 58 gallon tank. I am going to attempt a driveway install. To install it by the official dealer for Transfer Flow not too far from me will cost me at least an additional $580 to $700. They could not guaranty that they could install it in 4 hours. That just adds more to the already expensive cost of the tank. The other thing is I am finding in our decaying culture people being paid to do work don't do it as if it were their own. So sloppy work.

I have looked at the installation instructions and also at the video install that Transfer Flow did and also at another install which is very limited in what it shows. The biggest thing is being able to lift it into place via some device and I have an electric lift table which will handle 1000# however it is 11" high. So I have to get the truck up higher to slide it under with this lift. So I am trying to figure out what I do. Maybe place some wood under my jack-stands. But of course you have to be able to jack it up to that height as well. So some real challenges. I have a friend who has worked on cars for years and he is going to volunteer his time to help me. He is also a body builder and very strong so maybe I forget the electric lift and make some supports to put under the tank once we lift it to the proper height. Not sure.

I have received the tank into my office. We have a loading dock so that saved a little money on the shipping cost. They gave me $200 off since it was the end of the month and they were trying to move inventory so every little helps when you look at the cost of the tank. While it is in my office I took the time to weigh the tank by itself and then added the parts as well. I centered the tank on our shipping scale which measures up to 150#. The tank empty from the factory weighed 129.7#. The hardware parts weighed 23.85# and the charcoal canister (I think that is what it is) weighed 4.25# and there is a metal piece that has to come off of it. So total together weighed in at 145.1 #. I have weighed my truck bare but with a full tank of gas at a CAT scale and it weighed 7,300#. So once I get the tank installed I will weigh it with the Transfer Flo tank and a full tank of gas. Then I should be able to determine what the real difference is and I can make note of it for the updated payload. You can see pictures of the tank in this post. And as a by the way remark, the shipping container that it was in was destroyed in many ways. It was all double layered cardboard which was good however the skid was all cardboard too with the legs under it being glued onto the box. I would have thought that they would have banded it down to a pallet but they didn't. I live in NJ and it was shipped from Tennessee so they must have a warehouse that they use for east of the Mississippi orders instead of shipping them out of Chico, CA. It only took two days for it to get to me via freight. If anyone wants to see a picture of the shipping container just comment on here or you can PM me as well.

Now I want to get it installed but I need some warmer weather as well along with a day where I have the available time.
Make sure to run the old tank as empty as possible. Some have forgotten this step and it can add difficulty.

A motorcycle jack is a good way to lift the tank into place. You can get a basic one for under $100 on Amazon.

I would simply figure out how much extra height you need and cut some 2x12 blocks for under each tire. Safe and stable sitting flat on the wheels.
 
Make sure to run the old tank as empty as possible. Some have forgotten this step and it can add difficulty.

A motorcycle jack is a good way to lift the tank into place. You can get a basic one for under $100 on Amazon.

I would simply figure out how much extra height you need and cut some 2x12 blocks for under each tire. Safe and stable sitting flat on the wheels.
Yes I wanted to run it completely empty past the empty point because when it says it is empty it still has 4 gallons of gas in it.
Interesting about the motorcycle lift.
2x12's cut to size are good but they are 1.5" thick. If I was going to slide the tank under without a lift I think that might work but with the amount I will need to lift I would need to pile up they would become slippery on top of one another unless I nailed/screwed them all together. Then I have to cut them on an angle to get them sloped to drive the truck up on them. It could work. Thanks for the thoughts.
 
Make sure to run the old tank as empty as possible. Some have forgotten this step and it can add difficulty.

A motorcycle jack is a good way to lift the tank into place. You can get a basic one for under $100 on Amazon.

I would simply figure out how much extra height you need and cut some 2x12 blocks for under each tire. Safe and stable sitting flat on the wheels.
This
They didn't want the truck for the install till I had it less than a 1/4 and preferred 1/8 or less. Just a little planning on your part will make it so much easier.
 
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