Auxiliary Diesel Fuel Tanks - 63 Gallon

Catalog Item # 72928

Lower fuel costs and increase your driving range with an auxiliary fuel tank that mounts behind the cab in your pickup.

Made of no-rust diamond tread plated aluminum with internal baffles to reduce slosh, secure fill compartment to prevent theft and manual sight fuel gauge. Easily connects to pickup’s fuel line using optional install kit (sold separately). Fits under most tonneau covers and won’t interfere with 5th wheel towing. Meets DOT standards for diesel and bio-diesel. Bolts into truck bed with integrated mounting tabs. Models available for most popular pickups. Made in USA.


  • Extend your driving range
  • Shop for best fuel prices
  • Extra fuel supply for peace of mind on the road
  • Model available with built-in tool box
  • Models to fit all size pickups

Technical Specifications

85 lbs.
Overall dimensions: 52"L x 19"W x 19"H, 21"H with Filler Neck and Cap
Top Plate Dimensions: 50"L x 12"W
Center of Filler Neck on top is located 20" from the driver's side edge and 2" from the back of the unit.

The auxiliary fuel tanks are universal in application so a fit list is not maintained by the manufacturer. You will need to measure the bed of your truck to confirm fit, we have dimensions of the tank in the Technical Specs section of the product page. The only make/model specific item is the install kit. For Chevy/GMC diesel trucks from 2011 and newer, use install kit SKU#56512.
by Camping World – June 20, 2016
by del – May 29, 2015
Yes we do sell the install kits.

Dodge 2013 & Newer(1-3/4" fill line): SKU# 85055

Ford, Dodge 2012 & Older, Chevy/GMC 2011 & Newer(1-1/2" fill line): SKU#56512

Chevy/GMC 2010 & older (2" fill line): SKU#56511
by Camping World – October 16, 2015

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