ATTA 38 Gallon Diesel Auxiliary Under Toolbox Tank AT38TB

The AT38TB from ATTA is a purpose-built 38-gallon diesel auxiliary tank designed to fit seamlessly under a crossover toolbox in long-bed trucks.

With a slim 9-inch height, it tucks neatly beneath the toolbox without getting in the way. Made from .125 gauge aluminum and fully baffled, it’s built for stability and durability on and off the road. Whether you're hauling, towing, or just covering long distances, the AT38TB adds range and peace of mind—without sacrificing bed space.

If you need extra fuel capacity without giving up functionality, this combo offers a practical solution built to last.

 

Features

• Smart Undermount Design-Sits below your crossover toolbox to save space without compromising fuel capacity.

   

• Built for the Long Haul-Heavy-duty .125 aluminum construction and internal baffles provide strength and reduced fuel slosh.

   

• Secure and Simple fill neck with a locking fuel cap keeps your diesel secure and easy to access.
  

 

Package Includes

• ATTA 38 Gallon Diesel Auxiliary Under Toolbox Tank AT38TB

 

Specifications

• Capacity: 38 gallons

• Material: .125 gauge aluminum, fully baffled

• Dimensions: 9" H x 21" W x 60" L

• Fill Neck: Single, with locking fuel cap

• Fuel Type: Diesel only

• Fit: Long bed Ford, Dodge, and GM trucks

• Clearance Required: Minimum 9" under toolbox

• Note: Add 1.5” to front and rear width for hold-down tabs