Transfer Flow 50 Gallon In-Bed Auxiliary Diesel Fuel Tank System - TRAX 4 (0800116625)
$1,745.26
Ask a question
Got a question?
Enter your question below and we will get back to you as soon as possible.
Please allow an additional 3-4 days for shipping for this tank.
Product Information
Transfer Flow 50 Gallon Auxiliary Diesel Fuel Tank: Extend Your Journey
The Transfer Flow 50 Gallon Auxiliary Diesel Fuel Tank is designed to more than double your driving distance, making it an essential addition for long-haul drivers and off-road enthusiasts. This tank is designed with a low profile and small footprint to fit under most tonneau covers, leaving you plenty of bed space.
Quality Construction and Design
Built from ReliaSteel®, high-yield aluminized steel, this fuel tank offers superior durability and strength. It's powder coated black for a durable satin black finish, ensuring it can withstand the rigors of off-road adventures.
Dimensions and Compatibility
The tank measures 60-3/4" in length, 18-1/2" in width, and 18" in height. This tank is designed to not interfere with standard 5th wheel hitches, making it a versatile addition to your vehicle.
Automated Fuel Transfers
The TRAX 4™ system features computer-controlled automatic fuel transfers for worry-free operation. Based on the capacity of your pickup’s main fuel tank and the capacity of the Transfer Flow auxiliary fuel tank, the TRAX 4™ system transfers fuel at pre-determined levels from the auxiliary tank to the main tank while the vehicle is in operation.
Designed for Durability and Efficiency
This fuel tank is baffled on all four sides for extra strength and to reduce fuel slosh, ensuring a smooth ride even on rough terrains. It comes with all parts needed for installation, making it a convenient and efficient solution for your fuel needs.
Warranty and Support
Transfer Flow stands behind the quality of their products. This auxiliary fuel tank comes with a limited 6-year or unlimited mile warranty for your peace of mind.
Additional Features
This tank is recommended for drivers who need additional fuel capacity and a relatively compact tank design. It's perfect for those who value efficiency and convenience in their off-road adventures.
Attributes
- DOT Approved: DOT Approved For Direct Feed Into OEM Fuel Tank
- Tank Capacity: 50 Gallon
- Fuel Type: Diesel
- Shape: Rectangular
- Tank Length (IN): 60-3/4 Inch
- Tank Width (IN): 18-1/2 Inch
- Tank Height (IN): 18 Inch
- Tool Box Type: No Tool Box
- Tool Box Length (IN): No Tool Box
- Tool Box Width (IN): No Tool Box
- Tool Box Height (IN): No Tool Box
- Finish: Powder Coated
- Color: Black
- Material: Aluminized Steel
- With Locking Cap: Yes
Category
Auxiliary Fuel TankManufacturer Docs
Size-Volume
MPN
material
length
width
height
color-finish
ltl shipping
ShippingWeight
Locking Type
Liquid Type
shape


-
APP AND OPERATING SYSTEM
TRAX 4™
Want to know the status of your on-board fuel systems? Simply download the TRAX 4™ app to your smartphone and enter your vehicle and fuel system information. In no time, you’ll be able to monitor your pickup’s fuel capacity!App Install Details -
Unlimited Mile
6-YEAR WARRANTY
Transfer Flow fuel systems and parts are covered by a six-year unlimited mile warranty against defects in material and workmanship throughout the U.S. and Canada from the unit purchase date by the original purchaser for the original vehicle the unit was installed in.CERTIFICATE OF LIMITED WARRANTY -
Need Help?
Fuel Tank Installers
Transfer Flow has built an extensive network of 196 authorized installers throughout North America, all of which undergo thorough screening and have demonstrated the ability to install multiple fuel systems from each of our main product lines.Installer Map
Transfer Flow Combo
Toolbox & Tanks
Discover the unbeatable versatility and reliability of our all-in-one auxiliary fuel tank and tool box combo, where convenience meets practicality in perfect harmony.

40 Gallon Fuel Tank Tool Box Combo
40 Gallon Fuel Tank Tool Box Combo
When it comes to storage, our combo unit truly shines. With an impressive capacity of 6 cubic feet, you'll have more than enough room to safely stow your belongings. The locking paddle handles provide an extra layer of protection, granting you peace of mind knowing that both your cargo and fuel are secure from any potential risks or intrusions.
Discover the unbeatable versatility and reliability of our all-in-one auxiliary fuel tank and tool box combo, where convenience meets practicality in perfect harmony. Prepare for your journeys with confidence, knowing that you have the ideal solution to fuel your adventures while keeping your valuables safe and sound.

FEATURES
FEATURES
- Recommended for drivers who want extra fuel capacity and a safe place to store their gear
- TRAX 4™ computer-controlled automatic fuel transfers for worry-free operation with exclusive AutoTrans® technology
- Perfect for RVers, contractors, and outdoor enthusiasts
- Comes complete with all components needed for installation
- Built from ReliaSteel®, high-yield U.S. aluminized steel for superior durability and strength
- Powder coated black for a durable satin black finish
- 6 cubic ft. of storage space (Storage dimensions: 59” L × 18” W × 9 3/4” H)
- Gas-filled shocks for easy opening and closing
- Stainless steel locking paddle handles
- Baffled to prevent fuel sloshing
- 6 year, unlimited mile warranty
- Made in the USA