Running out of fuel when you’re miles from civilization is more than just inconvenient; it can be downright dangerous. For long hauls, off-roading adventures, or even just peace of mind, an auxiliary diesel fuel tank can be a lifesaver. I remember one time, driving through Nevada, I was so grateful I had that extra fuel supply! It turned what could have been a stressful situation into a smooth ride. So, if you’re considering adding one to your rig, here are five of the best auxiliary diesel fuel tanks on the market right now.
Product Overview/Quick Summary:
- RDS Auxiliary Fuel Tank: Heavy-duty aluminum, versatile mounting.
- Titan Fuel Tanks Travel Trekker: High capacity, durable polyethylene.
- Transfer Flow Auxiliary Fuel Tank System: Fully automated, integrates with vehicle fuel system.
- Northern Lights Auxiliary Fuel Tank: Rugged steel, basic design.
- ATD Tools Auxiliary Fuel Tank: Portable, designed for temporary fuel transfer.
Top 5 Best Auxiliary Diesel Fuel Tanks
RDS Auxiliary Fuel Tank
The RDS Auxiliary Fuel Tank is a popular choice due to its robust aluminum construction and versatile design. It’s built to withstand harsh conditions and can be mounted in various configurations, making it suitable for different truck beds and applications. This tank is known for its durability and reliability.
Pros:
- ✅ Made from thick gauge aluminum for superior strength.
- ✅ Multiple sizes and shapes available to fit different trucks.
- ✅ Can be used for both fuel transfer and as a gravity feed system.
Cons:
- ❌ Aluminum can be more susceptible to dents compared to steel.
- ❌ May require additional mounting hardware depending on the truck.
- ❌ Higher price point compared to some steel options.
Verdict: A solid choice for those needing a durable and adaptable auxiliary fuel tank, especially if weight is a concern.
Titan Fuel Tanks Travel Trekker
The Titan Fuel Tanks Travel Trekker series is known for its impressive capacity and cross-linked polyethylene construction. Polyethylene is incredibly durable and resistant to corrosion, making it a great choice for harsh environments. These tanks are designed to maximize fuel capacity while maintaining a relatively lightweight profile.
Pros:
- ✅ High fuel capacity for extended range.
- ✅ Polyethylene construction is resistant to rust and corrosion.
- ✅ Relatively lightweight compared to steel tanks of similar capacity.
Cons:
- ❌ Polyethylene can be more susceptible to punctures than metal.
- ❌ More expensive than some other options.
- ❌ Limited mounting options compared to some universal tanks.
Verdict: Ideal for those who prioritize high capacity and corrosion resistance, particularly in demanding environments.
Transfer Flow Auxiliary Fuel Tank System
The Transfer Flow Auxiliary Fuel Tank System stands out due to its fully automated operation and seamless integration with your vehicle’s existing fuel system. It automatically transfers fuel to the main tank, ensuring a constant fuel level and eliminating the need for manual intervention. This system offers a high level of convenience and sophistication.
Pros:
- ✅ Fully automated fuel transfer for ease of use.
- ✅ Integrates seamlessly with the vehicle’s fuel system.
- ✅ Provides real-time fuel level monitoring.
Cons:
- ❌ Significantly more expensive than basic auxiliary tanks.
- ❌ Requires professional installation for proper integration.
- ❌ More complex system means more potential points of failure.
Verdict: Best for those who want a “set it and forget it” solution and are willing to invest in a premium, fully integrated system.
Northern Lights Auxiliary Fuel Tank
The Northern Lights Auxiliary Fuel Tank offers a no-frills, rugged solution for additional fuel storage. Constructed from heavy-duty steel, these tanks are built to withstand tough conditions. Their straightforward design makes them a reliable and cost-effective choice for those who need a basic auxiliary fuel tank.
Pros:
- ✅ Durable steel construction for maximum strength.
- ✅ Simple design for easy installation and use.
- ✅ More affordable than aluminum or polyethylene tanks.
Cons:
- ❌ Steel is susceptible to rust and corrosion.
- ❌ Heavier than aluminum or polyethylene tanks.
- ❌ Basic design lacks advanced features.
Verdict: A good option for those who need a robust and affordable auxiliary fuel tank for general use.
ATD Tools Auxiliary Fuel Tank
The ATD Tools Auxiliary Fuel Tank is a portable solution designed for temporary fuel transfer. These tanks are typically smaller and come with a pump for easy dispensing. They are ideal for situations where you need to transfer fuel between vehicles or equipment, rather than providing a permanent auxiliary fuel supply.
Pros:
- ✅ Portable and easy to move around.
- ✅ Comes with a built-in pump for convenient fuel transfer.
- ✅ Affordable for occasional use.
Cons:
- ❌ Not designed for permanent installation.
- ❌ Smaller capacity compared to dedicated auxiliary tanks.
- ❌ Primarily for fuel transfer, not continuous fuel supply.
Verdict: Best for those who need a portable fuel transfer solution rather than a permanently installed auxiliary tank.
Buying Guide
Choosing the right auxiliary diesel fuel tank depends on your specific needs and priorities. Here are some factors to consider:
- Capacity: How much extra fuel do you need? Consider your typical driving range and the availability of fuel stations along your routes.
- Material: Steel, aluminum, and polyethylene each have their pros and cons. Steel is strong but prone to rust, aluminum is lightweight and corrosion-resistant but more expensive, and polyethylene is durable and rust-proof but can be punctured.
- Mounting Options: Make sure the tank can be securely mounted in your truck bed or other desired location. Consider the available space and any existing equipment.
- Fuel Transfer Method: Decide whether you want a gravity-feed system, a manual pump, or an automated transfer system. Automated systems are the most convenient but also the most expensive.
- Regulations: Check local and federal regulations regarding auxiliary fuel tanks. Some areas may have restrictions on tank size or fuel transfer methods.
- Budget: Auxiliary fuel tanks range in price from a few hundred dollars to several thousand. Set a budget and prioritize the features that are most important to you.
FAQs
Q: Can I install an auxiliary fuel tank myself?
A: It depends on the complexity of the system. Basic tanks with manual pumps can often be installed by experienced DIYers. However, automated systems that integrate with the vehicle’s fuel system typically require professional installation.
Q: What size auxiliary fuel tank do I need?
A: Consider your vehicle’s fuel consumption and your typical driving range. A good rule of thumb is to choose a tank that will double your existing fuel capacity.
Q: Are auxiliary fuel tanks legal?
A: Yes, but there may be regulations regarding tank size, placement, and fuel transfer methods. Check with your local and federal authorities to ensure compliance.
Q: How do I prevent fuel theft from my auxiliary tank?
A: Consider using a locking fuel cap and installing the tank in a secure location. You can also add an alarm system to deter thieves.
Q: What maintenance is required for an auxiliary fuel tank?
A: Regularly inspect the tank for leaks or damage. Keep the fuel cap clean and tight. If you have an automated system, follow the manufacturer’s recommendations for servicing the pump and control system.
Conclusion
Adding an auxiliary diesel fuel tank can significantly extend your driving range and provide peace of mind on long trips. The best option depends on your individual needs and budget. Whether you prioritize durability, capacity, automation, or portability, there’s a tank on this list that’s right for you. Just remember to factor in all the considerations above!
This site contains affiliate links. As an Amazon Associate, I earn from qualifying purchases. This means if you click on a link and buy a product, we may receive a small commission at no extra cost to you.
