10 Best Truck Auxiliary Fuel Tanks for Extended Adventures – Reviewed and Rated

Written by: Editor In Chief
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When you’re gearing up for a long journey, having the right auxiliary fuel tank can make all the difference. You want something reliable that maximizes your truck’s fuel capacity and minimizes those inconvenient stops. In this review, we’ll explore the best options available, from durable steel tanks to efficient transfer systems. Each tank is designed for specific needs, so let’s uncover which ones stand out and why they might be perfect for your next adventure.

58 Gallon Portable Diesel Fuel Tank with Electric Transfer Pump

If you’re a truck owner who frequently needs to refuel on the go, the 58 Gallon Portable Diesel Fuel Tank with Electric Transfer Pump is an ideal choice for you. Built from durable high-strength polyethylene, it resists UV rays, corrosion, and scratches, ensuring long-lasting performance. With a powerful 140W pump, it delivers fuel at 10.6 gallons per minute, and the mechanical gauge keeps you informed about your fuel levels. The advanced dual-layer filtration system guarantees cleaner diesel, while the automatic nozzle prevents spills. Its portable design, complete with forklift pockets and secure straps, makes it perfect for any job site or adventure.

Best For: Truck owners and outdoor enthusiasts who need a reliable and portable solution for refueling on the go.

Pros:

  • Durable construction with high-strength polyethylene material that resists UV rays, corrosion, and scratches.
  • Efficient fuel transfer with a powerful 140W pump that delivers 10.6 gallons per minute, along with a mechanical fuel gauge.
  • Safety features including an automatic shut-off nozzle and a 360° swivel connector to prevent spills and tangling.

Cons:

  • Limited to diesel fuel, which may not be suitable for those needing to transfer other types of fuel.
  • Requires a 12V power source for the electric transfer pump, which may not be available in all situations.
  • Heavy when full, which may make it challenging for one person to handle without assistance.

58 Gallon Iron Fuel Cell Tank for Diesel Storage

The 58 Gallon Iron Fuel Cell Tank is the ideal choice for truck owners needing reliable auxiliary diesel storage. Measuring 59 inches long, 13 inches wide, and 17 inches high, it offers ample capacity for your adventures. Crafted from new iron, this tank features an electroplated surface to prevent rust, ensuring durability. With manual welding and reinforced joints, it’s built to last. Included components like oil pipes and vent covers enhance functionality, and the connection to a fuel gauge allows for easy capacity checking. Just remember, it’s designed for diesel and kerosene only, so avoid using it for gasoline or alcohol fuels.

Best For: Truck owners seeking dependable auxiliary diesel storage solutions.

Pros:

  • Durable construction with electroplated surface to resist rust and corrosion.
  • Includes essential components like oil pipes and vent covers for enhanced functionality.
  • Easy capacity monitoring through the connection to a fuel gauge.

Cons:

  • Limited to diesel and kerosene storage; not suitable for gasoline or alcohol fuels.
  • The size may not fit all truck models or configurations.
  • Heavier than some alternative materials, which could affect mounting options.

RDS MFG INC Rectangular Auxiliary/Transfer Fuel Tank (45 Gallon Capacity)

For truck owners seeking a reliable and durable solution for auxiliary fueling, the RDS MFG INC Rectangular Auxiliary/Transfer Fuel Tank stands out with its impressive 45-gallon capacity. Constructed from aluminum with fully welded seams, this tank offers enhanced durability and eliminates rust concerns. It’s perfect for various auxiliary fueling needs, allowing you to choose from an assortment of capacities and dimensions. You can safely store gasoline, but remember to siphon from the top using an electric fuel pump. For those long adventures, this tank guarantees you won’t run out of fuel. Check the product page for more details!

Best For: Truck owners looking for a reliable and durable auxiliary fuel tank solution.

Pros:

  • Made from aluminum with fully welded seams for maximum durability.
  • 45-gallon capacity allows for extended fueling options during long trips.
  • Versatile design suitable for various auxiliary fueling needs.

Cons:

  • Requires an electric fuel pump for siphoning, which may be an additional expense.
  • Limited to gasoline auxiliary fueling, restricting other fuel types.
  • Larger size may not be suitable for all trucks or storage spaces.

RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon

Looking for a reliable solution to extend your truck’s fuel capacity? The RDS MFG INC Rectangular Auxiliary Fuel Tank, with a hefty 69-gallon capacity, has you covered. Measuring 57.0 L x 18.0 W x 16.0 H and weighing 43.545 kilograms, this tank is designed for durability and efficiency. You can easily siphon fuel from the top using an electric fuel pump, making it convenient for long trips. Plus, it’s suitable for gasoline, ensuring versatility. Just be sure to follow the proper siphoning and fueling guidelines. With RDS’s range of tank options, you’ll find the perfect fit for your adventures!

Best For: Truck owners looking to increase their vehicle’s fuel capacity for long trips and adventures.

Pros:

  • Durable construction ensures long-lasting use even in rugged conditions.
  • 69-gallon capacity provides ample fuel storage for extended journeys.
  • Convenient siphoning from the top with an electric fuel pump simplifies refueling.

Cons:

  • Weight of 43.545 kilograms may require additional support for installation.
  • Compatibility limited to gasoline, which may not suit all users’ needs.
  • Requires adherence to siphoning guidelines to ensure safe fueling practices.

Better Built Steel Transfer Fuel Tank – 36-Gallon

If you’re in the market for a reliable auxiliary fuel tank, the Better Built Steel Transfer Fuel Tank, with its impressive 36-gallon capacity, stands out as a top choice. Constructed from durable steel, this tank features built-in baffles for stability during transport and an overfill restriction to prevent spills. Its flush-mounted inlet and outlet bungs guarantee fast fuel flow, while the lockable cap adds an extra layer of security. Weighing just 40 pounds, it’s easy to install with fully welded mounting brackets. With an average rating of 4.0 stars, customers appreciate its durability and functionality, making it a solid investment for your adventures.

Best For: Those seeking a durable and secure auxiliary fuel tank for transporting diesel fuel during outdoor activities or work-related tasks.

Pros:

  • Built-in baffles enhance stability and prevent fuel shifting during transport.
  • Lockable cap ensures security against unauthorized access.
  • Easy installation thanks to fully welded mounting brackets and lightweight design.

Cons:

  • Some customers reported issues with packaging quality upon delivery.
  • Lack of a drain plug may inconvenience users needing to empty the tank.
  • Discontinued product, which might limit availability and support.

Garvee Portable Fuel Tank with 12V Electric Pump

The Garvee Portable Fuel Tank with a 12V electric pump stands out as an excellent choice for those who need efficient fuel transfer on the go. With a 116-gallon capacity, it’s perfect for diesel, gasoline, and more. The 12V pump delivers fuel at 10 gallons per minute, cutting down your refueling time considerably. Constructed from durable polyethylene, it withstands scratches, dents, and extreme weather. You’ll appreciate the 13.1-foot rubber hose and automatic nozzle, which features a shut-off to prevent spills. Its lightweight, compact design makes it easy to transport to job sites, farms, or outdoor adventures.

Best For: Those in need of a reliable and portable solution for transferring diesel, gasoline, and other fuels at job sites, on farms, or during outdoor activities.

Pros:

  • Efficient 12V electric pump with a flow rate of 10 gallons per minute for fast refueling.
  • Durable construction from premium-quality polyethylene, resistant to scratches, dents, and corrosion.
  • Lightweight and compact design for easy transport and portability.

Cons:

  • Limited to a maximum capacity of 116 gallons, which may not suffice for larger operations.
  • Requires a 12V power source to operate the electric pump, limiting usability in remote areas without power.
  • The integrated fuel level indicator may not be completely accurate, leading to potential overfilling if not monitored closely.

Dee Zee DZ92556NSB Transfer Tank

Constructed from heavy-duty 14-gauge steel, the Dee Zee DZ92556NSB Transfer Tank is an excellent choice for truck owners needing a reliable solution for transporting non-flammable liquids. With a 42-gallon capacity and dimensions of 59 x 22 x 10 inches, it fits snugly in your truck bed. The radius curve design and five stability baffles enhance safety, while features like a lockable cap and venting coupler guarantee secure transport. Weighing 70 pounds, it’s built to last with a black NRT finish to prevent rust. Customers appreciate its easy installation, though a few noted issues with bent tabs and sloshing fuel.

Best For: Truck owners looking for a durable and secure solution to transport non-flammable liquids.

Pros:

  • Easy installation and fit in truck beds.
  • Heavy-duty construction with rust inhibitor finish for longevity.
  • Enhanced safety features including stability baffles and a lockable cap.

Cons:

  • Some customers reported issues with bent tabs.
  • Occasional sloshing of liquid during transport.
  • Not compliant with Title 49 of the United States Federal Registry.

Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank44

For truck owners seeking a reliable way to extend their fuel capacity, the RDS Aluminum 74551 20 Gallon Rectangular Auxiliary Fuel Tank stands out with its robust design and functionality. Made from heavy-duty aluminum, it boasts fully welded seams and is 100% pressure tested to prevent leaks. With dimensions of 50 x 21 x 7 inches, it fits snugly in your truck while combining a transfer tank with a storage box on top. Designed for diesel fuel, it has received a solid 4.2-star rating. Just keep in mind that installation reviews vary, so plan accordingly.

Best For: Truck owners looking to enhance their fuel capacity with a durable and efficient auxiliary tank.

Pros:

  • 100% pressure tested to ensure leak prevention and reliability.
  • Heavy-duty aluminum construction with fully welded seams for added durability.
  • Combination of transfer tank and storage box provides versatile functionality.

Cons:

  • Mixed reviews on installation, with some users finding dimensions challenging.
  • Item weight seems unusually low (0.01 ounces), which may raise concerns about sturdiness.
  • Diesel install kits sold separately, potentially adding to overall costs.

RDS MFG INC Fuel Tank – 60-Gallon

With a generous capacity of 60 gallons, the RDS MFG INC Fuel Tank is ideal for truck owners who need to extend their driving range without frequent refueling stops. Weighing only 92 pounds and measuring 56 x 13 x 19.25 inches, it’s lightweight and easy to install. Designed for diesel, it can also accommodate gasoline when siphoned correctly. The optional Diesel Install Kit simplifies the connection to your OEM fuel tank. Customers praise its straightforward installation and quick delivery, though some report filling discrepancies. Overall, this auxiliary tank offers a practical solution for long-distance adventures.

Best For: Truck owners seeking to extend their driving range with an auxiliary fuel tank.

Pros:

  • Lightweight design makes installation straightforward and manageable.
  • Generous 60-gallon capacity allows for fewer refueling stops during long trips.
  • Optional Diesel Install Kit simplifies connection to the OEM fuel tank.

Cons:

  • Some customers reported discrepancies in actual capacity, filling only around 50 gallons.
  • Feedback suggests a need for improved mounting options, with requests for additional tabs.
  • Not suitable for transferring gasoline to another vehicle, limiting versatility.

30 Gallon Portable Fuel Caddy with Manual Pump

The 30 Gallon Portable Fuel Caddy with Manual Pump stands out as the perfect solution for those who need a reliable and efficient way to refuel their vehicles and equipment on the go. Made from durable, impact-resistant materials, this heavy-duty caddy is designed for trucks, boats, lawn mowers, and ATVs. With its powerful manual pump, you can quickly and safely transfer fuel wherever you need it. Plus, the four all-terrain wheels and reinforced handle make transport effortless. Advanced seals prevent leaks, ensuring safety during use. This versatile caddy is essential for serious operators tackling various outdoor jobs or garage maintenance.

Best For: The 30 Gallon Portable Fuel Caddy with Manual Pump is best for outdoor enthusiasts, farmers, and contractors who need a reliable solution for transporting and refueling various equipment and vehicles.

Pros:

  • Durable Construction: Made from impact-resistant materials, ensuring longevity and reliability for heavy-duty use.
  • Efficient Fuel Transfer: Equipped with a powerful manual pump for quick and safe refueling.
  • Mobility Features: Four all-terrain wheels and a reinforced handle make it easy to transport over different surfaces.

Cons:

  • Manual Pumping: Requires manual effort to operate the pump, which may not be ideal for everyone.
  • Limited Capacity: While 30 gallons is substantial, some users may prefer larger options for extensive refueling needs.
  • Weight: The caddy may be heavy when full, making it challenging to maneuver for some users.

Factors to Consider When Choosing a Truck Auxiliary Fuel Tank

When choosing a truck auxiliary fuel tank, you need to contemplate several key factors. Think about your fuel capacity requirements, the material’s durability, and how efficient the transfer pump is. Don’t forget to check for safety features and whether the tank is portable enough for your needs.

Fuel Capacity Requirements

Choosing the right fuel capacity for your truck’s auxiliary fuel tank is essential, especially if you often travel long distances or operate in remote areas. Start by determining your vehicle’s fuel consumption; larger tanks can extend your range but might add weight, reducing payload capacity. Consider how far you typically travel between refuels; a higher capacity can minimize downtime during lengthy trips. Make sure the tank is compatible with your vehicle’s fuel system to avoid issues like overfilling or spillage. Assess the weight distribution to maintain vehicle stability, particularly when the tank is full. Finally, check local regulations, as some areas may impose limits on auxiliary fuel tank capacities.

Material and Durability

Selecting the right material for your truck’s auxiliary fuel tank is essential for guaranteeing it lasts and performs well. Aluminum tanks are lightweight and resist rust, making them a popular choice. On the other hand, steel tanks offer strength but can corrode without proper coatings. If you’re looking for UV resistance and durability, polyethylene is an excellent option, especially with its 12mm thickness that withstands impacts and pressure. Fully welded seams in metal tanks enhance structural integrity, reducing leak risks during transport. Additionally, electroplated finishes on steel can extend tank life in harsh conditions. Consider these factors to choose a tank that meets your needs and guarantees reliability during extended adventures.

Transfer Pump Efficiency

Efficiency is key for maximizing the performance of your truck’s auxiliary fuel tank, and transfer pump capabilities play an essential role in this. When selecting a pump, consider its flow rate; many electric pumps deliver around 10 gallons per minute, helping you refuel quickly. A pump’s power rating, such as 140W for diesel, indicates its ability to handle high-demand situations effectively. Integrated fuel gauges allow you to monitor fuel levels in real-time, reducing the risk of running out mid-journey. Additionally, advanced filtration systems capture impurities, ensuring cleaner fuel delivery which enhances engine performance. Don’t overlook safety features like automatic shut-off nozzles and swivel connectors, as they help minimize spills and tangling during fueling operations.

Portability and Transportability

When you’re in the market for a truck auxiliary fuel tank, portability and transportability should be high on your list of priorities. Look for tanks with integrated design features like forklift pockets and bottom grooves to make loading and transport easier. Lightweight construction materials enhance portability without sacrificing durability, helping you handle the tank with ease. Secure straps or mounting options are essential to prevent movement during transit, ensuring safe transport in your truck. Evaluate the tank’s overall dimensions and weight to confirm it fits your vehicle’s constraints. Finally, consider tanks designed with wheels for enhanced mobility, making it simpler to transport over various terrains like gravel, grass, or pavement.

Safety Features Included

While safety might not always be the first thing on your mind, it’s essential to evaluate the features that enhance protection when choosing a truck auxiliary fuel tank. Look for tanks equipped with automatic shutoff nozzles to prevent overflows and spills during refueling. Integrated filtration systems can capture impurities, ensuring cleaner fuel and reducing engine damage risks. Stability baffles are important as they prevent fuel sloshing, maintaining stability while you drive. A lockable cap and secure mounting options are critical for preventing unauthorized access and movement. Finally, choose tanks made from heavy-duty steel or aluminum, as these materials resist corrosion and mechanical damage, guaranteeing long-term safety and reliability on your adventures.

Installation and Compatibility

After verifying safety features are up to par, it’s time to focus on installation and compatibility for your truck auxiliary fuel tank. First, check that the tank’s dimensions fit your truck’s bed space; improper sizing can lead to installation challenges and safety issues. Next, verify compatibility with your vehicle’s fuel system, as some tanks are specific to fuel types like diesel or gasoline and may need extra components. Look into the installation hardware; some tanks include necessary bolts, while others require additional purchases. Also, confirm if the tank can gravity feed or requires an electric pump for fuel transfer, as this impacts installation complexity. Finally, review local regulations to verify compliance with safety and environmental standards.