In-Bed Fuel Tanks

Double or Triple your pickup's fuel capacity with an in-bed auxiliary fuel tank system

Increase your pickups' fuel capacity and driving range with a "Made in the USA" in-bed auxiliary fuel tank systems from transfer Flow! Transfer Flow in-bed auxiliary tanks are available in 37, 50, 75 and 98 gallons, and are available in sturdy aluminized steel and bright diamond plate. Transfer Flow fuel tanks are fully baffled to minimize sloshing and come complete with all necessary installation components and detailed instructions. With our patented and industry leading TRAX-II or our MaxFlo-TFI operating system, the transfer process is entirely automatic and 100% worry free! Exclusive design features allow some tanks to be used in conjunction with other popular cargo accessories such as retractable truck bed covers, tonneau covers and camper shells. Let us "fuel your adventures" with a safe, legal and durable in-bed auxiliary fuel tank system from Transfer Flow!

37 Gallon Roll-Top Fuel Tank

Our 37 gallon in-bed fuel tank fits short and long bed pickups. It's designed to fit under Pace-Edwards and Truck Covers USA retractable bed covers. The tank is available in 14 gauge aluminized steel with black powder coat finish only.

50 Gallon Low Profile Fuel Tank

The height of this tank allows it to fit under a tonneau cover. This tank fits short bed and long bed pickups. It is available in either 14 gauge aluminized steel with black powder coat finish or bright polished aluminum diamond plate.

75 Gallon Space Saving Fuel Tank

Our 75 gallon in-bed fuel tank is just 18" deep and delivers a significant increase in fuel capacity while maintaining maximum cargo space. The tank fits short and long bed pickups. It is available in 14 gauge aluminized steel with black powder coat finish only.

98 Gallon High Capacity Fuel Tank

The 98 gallon fuel tank is our largest auxiliary and fits long bed pickups only. Choose from either 14 gauge aluminized steel with black powder coat finish or bright polished aluminum diamond plate.

Features and Benefits

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  • Operates with Transfer Flow's patented TRAX-II® or our MaxFlo-TFI operating system
  • Fuel transfers automatically from in-bed fuel tank to stock fuel tank
  • Available in 37, 50, 75 and 98 gallons
  • Gas and diesel systems available
  • Manufactured from aluminized steel or aluminum diamond plate
  • Baffled to reduce fuel sloshing
  • Won't interfere with standard fifth wheel hitch
  • Over 300 authorized fuel tank installers in the US and Canada
  • Optional Campershell Fillneck Kit available
  • Optional spray-on coating available
  • Proudly made in the USA!

Example Installations Click to enlarge

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