Auxiliary Diesel Fuel Tanks, 32 Gallon

Catalog Item # 72929

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

60 lbs.
50"L x 20"W x 9"H

by travler – June 30, 2016
No, these tanks are not intended to be used with gasoline.
by Camping World – June 30, 2016
by ronnie – September 06, 2015
Next to the fill port is welded on nozzle, which is the vent for the auxiliary tank. A plastic cap is placed on the vent from the factory. When using the aux. tank, the cap is removed and the shutoff valve(part of the install kit) is opened to feed fuel to the vehicles primary fuel tank.
by Camping World – September 08, 2015
You will need to measure out the area in the bed of your truck(Dimensions: 50"L x 20"W x 9"H ). These tanks are universal so no fit chart is available to refer to. The part that is Make & Year specific are the fuel line kits, your vehicle would use item# 56512 which is compatible for Dodge vehicles 2012 & older.
by Camping World – July 22, 2015

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