top of page
58 Gallon Aluminum Auxiliary Diesel Fuel Tank Toolbox Combo Dimensions Size


58 Gallon Auxiliary Diesel Tank/Toolbox Combo


Extend your trucks fuel range with a new ATI 58 Gallon Auxiliary Diesel Fuel Tank. 

Connect this fuel tank directly to your trucks factory fuel tank with our Fuel Shotz Installation Kit.

Plus have the storage to keep your tools out of sight and out of the weather.


Auxiliary Tank and Toolbox combos are great, secure solutions for tool and equipment storage as well as having the extra diesel fuel capacity for your long trips.


As a leader in the transfer/auxiliary fuel tank market, ATI has the highest quality fuel tanks available. Made in America with premium aluminum and fittings. ATI is one of very few companies authorized by Department of Transportation to produce transfer/auxiliary fuel tanks for transportation on our highways.


Our aluminum auxiliary fuel tanks for diesel are built to meet and exceed Title 49 CFR 393.65 for fuel tanks. This all aluminum .125” thick HD fuel tank was specifically designed for diesel fuel.


  • Vent fitting with rollover protection
  • Automotive style fuel filler cap
  • Meets D.O.T. requirements for diesel auxiliary

  •  All aluminum construction HD.125”

  • 3/8” npt drain fitting
  • Fully welded baffles to reduce content movement
  • Visual, pressure, and video leak detection test
  • Tanks cleaned inside and out prior to shipping
  • Mounting Tabs
  • 1 Year Warranty
  • Warranty Registration Form


The toolbox features:


  • All polished aluminum DP body construction
  • Polished industrial stainless locking handles
  • Automotive style gas shocks for lid
  • Extreme 3 layer lid design
  • Full aluminum piano hinge
  • Aero-beveled lid design


The rectangle aluminum Auxiliary Tank is the most popular in the lineup. Our standard diesel auxiliary fuel tanks range from 30 to 80 gallons. If you want to keep most of your bed space check out our more slender aluminum fuel tank designs, some only require 9”. We also have a lay down style that fits under most crossover toolboxes.


 ATI’s diesel auxiliary fuel tanks are designed to be used with ATI’s diesel FUEL SHOTZ Installation kit. We make the purchase and installation of Diesel Auxiliary Fuel Tanks and our FUELSHOTZ installation kit easy. We manufacture our diesel fuel tanks specifically for our FUEL SHOTZ installation kit. (Sold Seperately)


58 Gallon Auxiliary Diesel Tank/Toolbox Combo

$1,433.00 Regular Price
$1,289.00Sale Price