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ATTA Auxiliary Fuel System — Automated or Manual Diesel Transfer

Automated or Manual Fuel Transfer for Diesel Trucks

Automatic fuel transfer — Freedom Fill system handles it for you
Manual control option — Push N Fuel uses dash-mounted rocker switch
Diesel truck compatible — Works with Dodge, Ford, and GM/Chevrolet trucks
Year-specific fuel programming — Freedom Fill programmed to your exact model year
Direct tank routing — Transfers from auxiliary tank to factory gas tank
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ATTA Auxiliary Fuel System
ATTA Auxiliary Fuel System

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In the box

  • ATTA Auxiliary Fuel System controller
  • Dash-mounted rocker switch (Push N Fuel configuration)
  • Vehicle-specific programming module (Freedom Fill configuration)
ATTA Auxiliary Fuel System
ATTA Auxiliary Fuel System — Automated or Manual Diesel Transfer

Automated or Manual Fuel Transfer for Diesel Trucks

The ATTA Auxiliary Fuel System delivers reliable fuel transfer from your auxiliary tank to your factory tank. Every configuration in our curated lineup is vetted for real-world diesel truck performance across Dodge, Ford, and GM applications. Choose the computerized Freedom Fill system for automatic transfer or the Push N Fuel system for manual dash-mounted control. This is a smart investment for fleet operations where downtime isn't an option. Ships free.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
Diesel Truck Compatible
Auto or Manual Transfer
Vetted for Durability
Dash-Mounted Control
3
Truck Brands Supported
2
Transfer System Options
1998+
Year Range Coverage
Eliminate Guesswork With Computerized Fuel Transfer

Eliminate Guesswork With Computerized Fuel Transfer

When a fuel transfer system fails mid-route, you lose time, money, and credibility. The Freedom Fill system eliminates that risk with computerized automatic transfer — no manual monitoring, no forgotten switches, no fuel starvation on long hauls. Each unit is programmed to your specific truck make and model year, so the transfer logic matches your factory tank capacity precisely. This isn't a universal workaround cobbled together from generic parts. It's a purpose-built system vetted for diesel truck applications where downtime carries real costs. Tank Vault curates only configurations that deliver reliable, repeatable performance — because guesswork has no place in your fuel management.

Full Control When You Want It

Full Control When You Want It

Not every operation calls for automation. The Push N Fuel system gives you direct control over fuel transfer with a dash-mounted rocker switch. Press it when you're ready to move fuel from your auxiliary tank to your factory gas tank — stop when you're done. It's straightforward, mechanical, and built for operators who prefer hands-on fuel management. This system works independently of your vehicle's computer, making it a reliable fallback or primary choice depending on your workflow. Tank Vault carries both configurations because we understand that the right choice depends on how you actually run your fleet, not what a catalog suggests.

Matched to Your Diesel Truck

Matched to Your Diesel Truck

The ATTA Auxiliary Fuel System isn't a one-size-fits-all unit. Freedom Fill configurations are programmed specifically for Dodge, Ford, and GM/Chevrolet diesel trucks across model years ranging from 1998 to current production. When you select your make and year, the system arrives programmed to work with your factory tank capacity and fuel system architecture. This precision matters — incorrect fuel transfer logic can cause overfilling, gauge mismatches, or pump strain. Every option in our lineup is curated to match verified vehicle applications. Tank Vault lists the exact compatibility breakdown so you select the right configuration the first time, without cross-referencing forums or guessing at fitment.

Compatibility Guide

Select the correct ATTA fuel system variant based on your truck's make, model year, and preferred transfer method.

  • Vehicle is a Dodge, Ford, or GM diesel truck within the specified year range
  • ATTA auxiliary fuel tank is installed on the vehicle
  • Correct Freedom Fill or Push N Fuel variant is selected for your model year

Built for the Road Ahead

Designed for commercial-grade diesel operations that demand dependable fuel management.

Long-Haul Freight
Job Site Fueling
Off-Road Expeditions

Full specifications

At a glance

Dimensions
See product page
Warranty
See product page
Full specifications6 data points across 4 categories

Dimensions

System DimensionsSee product page

Power & Performance

Transfer MethodAutomatic (Freedom Fill) or Manual (Push N Fuel)
Compatible VehiclesDodge, Ford, GM/Chevrolet diesel trucks
Control InterfaceComputerized or dash-mounted rocker switch

Materials

ConstructionSee product page

Compliance & Warranty

WarrantySee product page

The Tank Vault Promise

Every product we carry meets strict standards for build quality and real-world performance.

Vetted Products OnlyIf it doesn't meet our standards for durability and performance, it doesn't make the cut.
Ships FreeUnconditional free shipping on every order, no minimums or fine print.
30-Day Hassle-Free ReturnsNot the right fit? Return it within 30 days, no runaround.
★★★★★
“We run a fleet of 2015 Ford diesels and switched to the Freedom Fill system six months ago. No more worrying about whether the guys remembered to transfer fuel — it just happens. The year-specific programming matched our trucks perfectly. Straightforward install, reliable operation, and no gauge issues since day one.”
F
First L.Dallas, TX

The ATTA Auxiliary Fuel System is designed to transfer fuel from your ATTA auxiliary tank directly into your vehicle’s factory gas tank.  ATTA offers two Auxiliary Fuel Systems: The Freedom Fuel System and the Push N Fuel System. 

The Freedom Fuel System is a computerized option that automatically transfers fuel from your auxiliary tank into your vehicle’s factory tank.

The Freedom Fuel System works with Dodge, Ford and GM / Chevrolet diesel trucks. Just choose the correct make and model year so the Freedom Fuel System is programmed correctly

The Push N Fuel system is a manual fuel transfer option.  It requires you to manually press a rocker than is mounted to the vehicle dash in order to transfer fuel from the auxiliary tank to the vehicle’s factory tank.

Fuel System Options (Required to Select 1 Option) 

  • Choose either the Freedom Fuel System or the Push N’ Fuel System.

Freedom Fill Auxiliary System

The Freedom Fill Auxiliary System is the most popular fuel system option. It is a complete installation kit and comes with everything you need to install an auxiliary fuel tank to your truck.

The Freedom Fill Auxiliary System is specifically designed to be used in conjunction with an auxiliary tank manufactured by Aluminum Tank & Tank Accessories, Inc. for current year model Dodge, Ford, and GM / Chevrolet diesel trucks.

The Freedom Fill Auxiliary System is a computerized fuel system. When the factory tank reaches approximately 1/2 a tank, an auxiliary computer module will activate the fuel pump and begin transferring fuel from the auxiliary tank and will refill the factory tank to approximately 3/4 of a tank.

The system is all automatic for peace of mind and ease of use. The pump will not turn on when the auxiliary tank is empty.

Push N Fuel Auxiliary System

The Push N Fuel Auxiliary System is an economic fuel system. Designed specifically for use in an auxiliary tank manufactured by Aluminum Tank & Tank Accessories, Inc. for use in only in Dodge, Ford, and GM / Chevrolet diesel trucks.

The Push N Fuel System uses a momentary rocker switch mounted to the dash. The operator must push and hold the switch to activate the heavy duty rotary vain pump and hold the switch to activate the heavy duty rotary vain pump to begin the transfer of fuel from the auxiliary tank to the factory tank. When the switch is released, the pump will shut off.

Additional information

TYPE

Freedom Fill Dodge: 1998-2009 (Black Gauge), Freedom Fill Dodge: 1998-2009 (White Gauge), Freedom Fill Dodge: 2010 (Black Gauge), Freedom Fill Dodge: 2010 (White Gauge), Freedom Fill Dodge: 2011-current (Black Gauge), Freedom Fill Dodge: 2011-current (White Gauge), Freedom Fill Ford: 1999-2007 (Black Gauge), Freedom Fill Ford: 1999-2007 (White Gauge), Freedom Fill Ford: 2008-2016 (Black Gauge), Freedom Fill Ford: 2008-2016 (White Gauge), Freedom Fill Ford: 2017-2019 (White Gauge), Freedom Fill Ford: 2020-current (Black Gauge), Freedom Fill Ford: 2020-current (White Gauge), Freedom Fill GM: 1998-2003 (Black Gauge), Freedom Fill GM: 1998-2003 (White Gauge), Freedom Fill GM: 2004-2011 (Black Gauge), Freedom Fill GM: 2004-2011 (White Gauge), Freedom Fill GM: 2012-2016 (White Gauge), Freedom Fill GM: 2017-2019 (Black Gauge), Push N Fuel (Black Gauge), Push N Fuel (White Gauge)

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Frequently Asked Questions

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Yes. We carry a full catalog of OEM replacement parts including grates, burners, igniters, and heat shields for every brand we carry.
Absolutely. Our grills are built for all-weather use. The 304 stainless steel construction is designed to handle temperature extremes from -20°F winters to 110°F summers.
SKU: PNF-B Category: Brand:

The Tank Vault Promise

Every product we carry meets strict standards for build quality and real-world performance.

Vetted Products Only If it doesn't meet our standards for durability and performance, it doesn't make the cut.
Ships Free Unconditional free shipping on every order, no minimums or fine print.
30-Day Hassle-Free Returns Not the right fit? Return it within 30 days, no runaround.

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About atta tank Auxiliary Fuel System

atta tank is a trusted manufacturer of premium auxiliary fuel system. TankVault is an authorized dealer offering the full atta tank lineup with free delivery, price match guarantee, and expert support.

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