by Matthew Scott

Buyer’s Guide: Auxiliary Fuel Tanks

There comes a point in the travels of every overlander where they realize having more fuel isn’t necessarily a bad thing. Whether you’re about to cross a border into a country with incredibly high fuel prices, or you’re traversing the Canning-Stock Route in Australia, where refueling simply isn’t an option—an auxiliary fuel tank can be a useful tool. Depending on your vehicle, there’s like an option for increasing your fuel capacity and mileage. We’ve compiled a list with some industry leaders, feel free to email us suggestions if we’ve missed a couple. 



Aero Enterprises specializes in manufacturing auxiliary and replacement gas and diesel tanks. Models are available for Jeep, Dodge, GMC, Ford, Chevy, and International Scout, as well as custom builds (for diesel only).





Other Trucks


American Expedition Vehicles (AEV)

Focusing mainly on the new Jeep JK Wrangler, but also providing products for other Jeep models, AEV is a 4WD accessories manufacturer that provides parts with OEM-like fitment and quality. They are perhaps best known for their V8 Hemi conversions and complete vehicle conversion kits such as the Brute. AEV produces bumpers, racks, suspension systems, body parts and more.

JK Fuel Caddy


Brown Davis

Brown Davis Automotive is based in Melbourne Australia and manufactures a wide range of specialist products for the automotive industry. Their line of long range auxiliary and replacement fuel tanks are designed to give maximum fuel capacity without affecting ground clearance and ramp over/departure angle, whilst being exceptionally strong against the most rigorous of conditions. Fuel tanks are available for several makes and models.

Complete Fuel Tank Application List


Front Runner

Front Runner was founded in 2000 in South Africa by a team of engineers, designers, outdoor enthusiasts and professional off-road drivers. Renowned for its superior quality, intelligent design, and durability, Front Runner products are built for the tough and grueling African bush.


Wrangler JK Large Auxiliary Fuel Tank

Wrangler JK Small Auxiliary Fuel Tank

Land Rover

Defender 90 Auxiliary Fuel Tank

Defender 110 Auxiliary Fuel Tank

Defender 110 Right Fender Auxiliary Fuel Tank

Defender 110 Left Fender Auxiliary Fuel Tank

Defender 130 Auxiliary Fuel Tank

Discovery 3 and 4 (LR3/LR4) Auxiliary Fuel Tank


Gelandewagen Auxiliary Fuel Tank (diesel only)


FJ Cruiser Auxiliary Fuel Tank

Hilux 99 to 04 Auxiliary Fuel Tank

Hilux 2005+ Auxiliary Fuel Tank

Land Cruiser 70 Long Range Fuel Tank

Land Cruiser 75 Auxiliary Fuel Tank

Land Cruiser 100 Auxiliary Fuel Tank

Prado 90 Auxiliary Fuel Tank


Amarok Diesel Auxiliary Fuel Tank



GenRight, based out of Southern California, offers a complete line of aftermarket Jeep products including both competition and extended range fuel tanks.

Jeep Wrangler JK Extended Range Gas Tank

Jeep Wrangler Unlimited LJ Safari Gas Tank

Jeep Wrangler TJ Extended Range Gas Tank

Jeep Wrangler YJ Extended Range Gas Tank

Jeep CJ Extended Range Gas Tank

Jeep Cherokee XJ Extended Range Gas Tank


Long Range Automotive

Long Range Automotive has been manufacturing and supplying auxiliary and long range fuel tanks since 1989. Long Range Automotive uses the latest technology to design long range fuel tanks that are the most suitable shape for a specific vehicle. Precision CAD/CAM drawings are produced for all petrol tanks and water tanks to ensure they fit properly into the selected location.









Land Rover




The Long Ranger

The Long Ranger manufactures auxiliary and replacement fuel tanks from their Barnsley, Australia factory.







Cherokee XJ

Grand Cherokee ZJ

Wrangler JK 2- and 4-door

Land Rover


Discovery I

Discovery II

Discovery III / LR3

Range Rover Classic


Pajero / Montero


Navara / Frontier


4Runner – 89 to 96

Hilux – 97 to 05

Hilux – 2005+



Man-A-Fre out of Southern California offers a comprehensive list of accessories available for the Toyota Land Cruiser line, and develops new products to improve the on/off-road driving experience.

Toyota FJ Cruiser Auxiliary Fuel Tank

Toyota FJ40 Long Range Fuel Tank

Toyota FJ40 Auxiliary Fuel Tank

Toyota FJ60 Long Range Fuel Tank

Toyota FJ62 Long Range Fuel Tank

Toyota FJ80 / Lexus LX450 Long Range Fuel Tank


ORC Off Road Exclusiv

In addition to their other accessories for 4x4s and campers, ORC Off Road Exclusiv out of Ostfildern, Germany, manufactures auxiliary fuel tanks for the petrol (gasoline) Gelandewagen.

Auxiliary Fuel Tank List

Safari-Equip Co.

Established over 20 years ago to tackle the problem of the Land Rovers rear door and spare wheel carrying system Safari-Equip have developed and grown to be one of the largest manufacturers of Land Rover accessories in the UK. Safari-Equip manufactures both replacement and auxiliary long range fuel tanks.

Land Rover Defender 90 Fuel Tanks

Land Rover Defender 110 Fuel Tanks

Land Rover Defender 130 Fuel Tanks

Land Rover Discovery I and II Fuel Tanks

Range Rover Classic Fuel Tanks


Titan Fuel Tanks

TITAN Fuel Tanks launched in 2003 to answer the frustration experienced by diesel truck owners, who, buying the latest and greatest diesel trucks found themselves spending too much time searching for the next diesel stop–and limited as to destination. Today they manufacture replacement and auxiliary fuel tanks for most late-model domestic diesel trucks out of their Idaho plant.

Titan Fuel Tank Selector


Transfer Flow, Inc.

Transfer Flow Incorporated is a family owned and employee-oriented manufacturing company based in California which specializes in safe, reliable and legal OEM and aftermarket fuel systems and related products. They offer a large line of replacement and auxiliary fuel tanks for most late-model domestic trucks, as well as the Toyota Tundra.

Transfer Flow Fuel Tank Selector


We’ve done our best to include everyone with the launch of the Buyers Guide, but we will need contributions from readers and manufacturers to ensure complete coverage. If you’re an enthusiast or manufacturer and you would like to suggest a company be included, feel free to email us.

Note: Not all products or manufacturers have websites and corresponding links available. Check the manufacturer’s site for additional fuel tanks available for more obscure makes and models.

Buyer’s Guide: Auxiliary Fuel Tanks

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About the Author: Matthew Scott

Matthew Scott is a dedicated photographer, vintage car enthusiast, and regular contributor to Overland Journal. Growing up in Chicago in a family that valued “all things automotive” as much as exploring the region’s back roads, provided a solid platform for a career as an automotive journalist. He departed the Windy City in lieu of Prescott, Arizona, and the great open spaces and adventure opportunities of America’s Southwest. @matthewexplore