In Bed Fuel Tank Replacement
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Trailering
Joined: Jun 2016
Posts: 22
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In Bed Fuel Tank Replacement
Currently have a Transfer Flow 37 gallon in bed tank. Using the Trax 3 system. Started getting weird messages on my cab gauge and called Transfer Flow. Evidently they have upgraded to a newer Trax 4 system which isn’t compatible. I do need to state they have been outstanding to work with and did find a retuned computer module on the shelf. Currently reprogramming to meet my truck’s specs but can’t guarantee how long it would last.
My question is what is everyone using if I need to replace the tank?
My question is what is everyone using if I need to replace the tank?
Senior User
Joined: Nov 2014
Posts: 1,777
Likes: 1,590
From: France
It’s a completely separate tank, so no interaction with the truck. I was just pointing out that a separate system is a lot cheaper and more versatile. When it’s empty I can even load and unload it myself, and it only takes two straps to secure to the bed.
Fleet Mechanic
Joined: Oct 2022
Posts: 1,822
Likes: 898
From: Dallas Metroplex
This is the approach I would take, should I have a need for additional fuel. Should I ever trade up the tank goes with me to the newer truck.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,353
Likes: 5,946
From: Lake Hartwell, GA
I use a 45 gallon tank from ATTA. It has a gauge, fuel sending unit, 12v pump and a momentary switch to transfer fuel to the OEM tank.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because I needed to replace the gauge and sending unit and did not go to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it this way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because I needed to replace the gauge and sending unit and did not go to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it this way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
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Laughing Gas
Joined: Jul 2017
Posts: 764
Likes: 194
From: Elephant Butte NM
I use a 45 gallon tank from ATTA. It has a gauge, fuel sending unit, 12v pump and a momentary switch to transfer fuel to the OEM tank.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because i needed to replace the gauge and sending unit and did not ho to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it thus way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because i needed to replace the gauge and sending unit and did not ho to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it thus way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
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Cargo Master
Joined: Jul 2011
Posts: 2,671
Likes: 975
From: Walpole, MA
I use a 45 gallon tank from ATTA. It has a gauge, fuel sending unit, 12v pump and a momentary switch to transfer fuel to the OEM tank.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because I needed to replace the gauge and sending unit and did not go to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it this way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
The pump is readily available at most parts stores. The sending unit and gauge are compatible with generic units available at parts stores. I know this because I needed to replace the gauge and sending unit and did not go to ATTA for the parts.
I have thought about swapping the momentary switch out with a timed switch, but after several years of using it this way, I have not been bothered.
Having positive control over fuel flowing from one tank to another is important to me and why I opted for this method instead of a gravity fed system.
It is nice to have 900 miles of range with the 5th wheel attached to the truck.
Laughing Gas
Joined: Jul 2017
Posts: 764
Likes: 194
From: Elephant Butte NM
This was the gravity kit I used, not sure why it would not work with a pump like Sous siad.
Cargo Master
Joined: Jul 2011
Posts: 2,671
Likes: 975
From: Walpole, MA
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,353
Likes: 5,946
From: Lake Hartwell, GA
I used an adapter similar to what rufushusky posted. I have a 2000 7.3L PSD, though the plumbing parts may be slightly different, the overall function and concept are the same as your newer 6.7L.
A friend of mine like the gravity feed option, but also wanted more control over the valve than a simple hand turn. He wired up a 12v solenoid to control a valve leaving it in the open or closed position.
I hope this helps.
A friend of mine like the gravity feed option, but also wanted more control over the valve than a simple hand turn. He wired up a 12v solenoid to control a valve leaving it in the open or closed position.
I hope this helps.
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