Best Auxiliary Diesel Fuel Tanks

Looking for the best auxiliary diesel fuel tanks? We’ve curated a list of the top 10 options to help you find the perfect fit for your needs.

Auxiliary diesel fuel tanks are a game-changer for anyone needing extra fuel capacity. Whether you’re on a long trip or working in remote areas, these tanks keep you moving without worry. They’re reliable, durable, and easy to use.

Choosing the right tank can save you time and money. From portable designs to truck-mounted options, there’s a perfect fit for every need. We’ve tested and reviewed the best options to help you decide.

Ready to find the ideal auxiliary diesel fuel tank? Let’s dive in and explore the top picks that combine quality, safety, and convenience.

List of Top 10 Auxiliary Diesel Fuel Tanks

Image Title Best For Price
RDS MFG INC - 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo - 60 Gallon RDS MFG INC – 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo – 60 Gallon

This 60-gallon fuel transfer tank and toolbox combo is perfect for truck owners who need extra fuel storage and secure tool storage. It’s ideal for long trips, work sites, or outdoor adventures.

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Auxiliary Fuel Tank Install Kit Diesel Installation Kit Compatible With 1999-2024 Ford 1999-2012 Dodge 2011-2022 Chevy/GMC, Gravity Fueled Auxiliary Fuel Tank With 1 1/2 Auxiliary Fuel Tank Install Kit Diesel Installation Kit Compatible With 1999-2024 Ford 1999-2012 Dodge 2011-2022 Chevy/GMC, Gravity Fueled Auxiliary Fuel Tank With 1 1/2″ Fill Line Replace# 11025

This auxiliary fuel tank install kit is perfect for diesel truck owners who need a reliable, long-lasting fuel solution. It’s easy to install and works great for Ford, Chevy/GMC, and Dodge diesel trucks.

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RDS MFG INC 70387 Auxiliary Fuel Tank 40 Gal RDS MFG INC 70387 Auxiliary Fuel Tank 40 Gal

This 40-gallon auxiliary fuel tank is perfect for drivers who need extra range. It’s ideal for long trips or heavy-duty vehicles.

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VEVOR Portable Diesel Tank, 58 Gallon Capacity & 10 GPM Flow Rate, Portable Fuel Tank with 12V Electric Transfer Pump and 13.1ft Rubber Hose, PE Diesel Transfer Tank for Easy Fuel Transportation Black VEVOR Portable Diesel Tank, 58 Gallon Capacity & 10 GPM Flow Rate, Portable Fuel Tank with 12V Electric Transfer Pump and 13.1ft Rubber Hose, PE Diesel Transfer Tank for Easy Fuel Transportation Black

This portable diesel tank is perfect for anyone who needs to fuel vehicles or equipment on the go. It’s great for trucks, tractors, ships, motorhomes, and construction sites.

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Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank44 Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank44

This fuel tank is a great choice for truck drivers. It provides extra gas storage for long trips.

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11025 1 1/2 11025 1 1/2″ Diesel Installation Kit,Compatible with Gravity Fueled Auxiliary Fuel Tank and Newer Models with 1½” Fill Line,Only for Diesel

This kit is for truck owners who want stable fuel and clean diesel.
It fits many Ford, Chevy, and Dodge models with a 1½” line.

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51 Gallons Combo Aluminum Fuel Transfer Tank, with 10 GPM Fuel Transfer Pump/Gasoline Diesel Transfer Tank & Toolbox/Auxiliary Fuel Tank-Black 51 Gallons Combo Aluminum Fuel Transfer Tank, with 10 GPM Fuel Transfer Pump/Gasoline Diesel Transfer Tank & Toolbox/Auxiliary Fuel Tank-Black

This 51-gallon fuel transfer tank is perfect for truck owners who need extra fuel storage and a secure toolbox. It’s ideal for long trips or heavy-duty work, keeping your fuel and tools safe and organized.

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RDS MFG INC 72771 Fuel Tank RDS MFG INC 72771 Fuel Tank

This fuel tank is perfect for anyone needing a durable, rust-free solution for outdoor use. Its locking cap and universal fit make it ideal for all vehicles.

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RDS MFG INC 11025 Diesel Install Kit RDS MFG INC 11025 Diesel Install Kit

The RDS MFG INC 11025 Diesel Install Kit is perfect for anyone needing a reliable fuel tank for their motor engine. It’s great for those who want flexibility, like using gasoline as an auxiliary fuel, and fits various needs with its different sizes.

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RDS Aluminum Auxiliary Transfer Fuel Tank - 200 Gallon, Rectangular, Smooth, Model Number 73217 RDS Aluminum Auxiliary Transfer Fuel Tank – 200 Gallon, Rectangular, Smooth, Model Number 73217

This 200-gallon fuel tank is perfect for truck owners who need extra fuel capacity for long trips or heavy-duty work. It’s easy to install and built tough for reliable performance.

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Detailed Reviews

These top auxiliary diesel fuel tanks are picked with care to give you the best mix of strength, safety, and value. Each one is checked for real performance so you can choose with confidence. Read on and find the perfect tank for your work and travel needs.

1. RDS MFG INC – 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo – 60 Gallon

RDS MFG INC - 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo - 60 Gallon

The RDS MFG INC – 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo is a 60-gallon solution for your vehicle. It combines fuel storage and a toolbox in one unit. This auto accessory is made in the United States.

It measures 53.34 cm L x 53.34 cm W x 142.24 cm H. The package weighs 54.431 kg. Its size and weight make it sturdy and reliable.

This combo is perfect for trucks or work vehicles. It offers extra fuel capacity and storage space. The toolbox keeps your tools organized and accessible.

Pros Cons
  • Made in the USA for top quality.
  • Large tank holds sixty gallons of fuel.
  • Built-in box stores all your tools.
  • Strong build is made to last.
  • Large size fits your big truck.
  • Heavy at 54.431 kg, hard to move or install alone.
  • Large size (142.24 cm tall) may not fit smaller vehicles.
  • No fuel pump included, extra cost for setup.

Perfect For:

This 60-gallon fuel transfer tank and toolbox combo is perfect for truck owners who need extra fuel storage and secure tool storage. It’s ideal for long trips, work sites, or outdoor adventures.

Ready to Purchase?

2. Auxiliary Fuel Tank Install Kit Diesel Installation Kit Compatible With 1999-2024 Ford 1999-2012 Dodge 2011-2022 Chevy/GMC, Gravity Fueled Auxiliary Fuel Tank With 1 1/2″ Fill Line Replace# 11025

Auxiliary Fuel Tank Install Kit Diesel Installation Kit Compatible With 1999-2024 Ford 1999-2012 Dodge 2011-2022 Chevy/GMC, Gravity Fueled Auxiliary Fuel Tank With 1 1/2

This fuel kit uses strong aluminum. The tough rubber resists rust well. It lasts for a long time.

This set is easy to install. It uses gravity to move fuel. It fits Ford, Dodge, and GMC.

Close the tank valve during setup. This kit replaces part 11025.

Pros Cons
  • Durable aluminum and rubber components prevent long-term corrosion.
  • Fast, simple installation ensures a stable fuel supply quickly.
  • Wide compatibility fits Ford, Chevy, GMC, and Dodge trucks.
  • Automatic gravity-feed design maintains consistent fuel levels effortlessly.
  • Complete installation kit includes everything for a perfect fit.
  • Not for Gasoline engines, only works with Diesel models.
  • No Tools Included, requires extra purchases for installation.
  • Specific Compatibility, may not fit all vehicle makes or years.

Perfect For:

This auxiliary fuel tank install kit is perfect for diesel truck owners who need a reliable, long-lasting fuel solution. It’s easy to install and works great for Ford, Chevy/GMC, and Dodge diesel trucks.

Ready to Purchase?

3. RDS MFG INC 70387 Auxiliary Fuel Tank 40 Gal

RDS MFG INC 70387 Auxiliary Fuel Tank 40 Gal

This fuel tank holds more gas. It is a tough auto accessory. It fits your truck well.

It is made in the USA. This 40 gal tank is strong.

Pros Cons
  • 40-gallon capacity for longer drives without refueling.
  • Sturdy build, made in the United States.
  • Compact design fits easily with 22.86 cm length.
  • Lightweight at 84 lbs for easy installation.
  • Heavy at 84 lbs, making it hard to install.
  • Large size (152.4 cm) may not fit all vehicles.
  • No mounting kit included, requires extra purchase.

Perfect For:

This 40-gallon auxiliary fuel tank is perfect for drivers who need extra range. It’s ideal for long trips or heavy-duty vehicles.

Ready to Purchase?

4. VEVOR Portable Diesel Tank, 58 Gallon Capacity & 10 GPM Flow Rate, Portable Fuel Tank with 12V Electric Transfer Pump and 13.1ft Rubber Hose, PE Diesel Transfer Tank for Easy Fuel Transportation Black

VEVOR Portable Diesel Tank, 58 Gallon Capacity & 10 GPM Flow Rate, Portable Fuel Tank with 12V Electric Transfer Pump and 13.1ft Rubber Hose, PE Diesel Transfer Tank for Easy Fuel Transportation Black

This diesel tank is strong. It is easy to move.

The pump works fast. It has a long hose. Keep your fuel safe.

The tank fits in a truck. It is easy to fill. Use it for your work.

Pros Cons
  • Robust, weather-resistant tank with lockable lid for secure operation.
  • 58-gallon capacity and 10.6 GPM flow rate for efficient refueling.
  • Duplex filter ensures purer diesel by removing large and small impurities.
  • Automatic nozzle prevents overfilling and spillage, saving fuel.
  • Easy transport with grooves and forklift pockets for stable lifting.
  • Pump power may be insufficient for very large vehicles.
  • Hose length might be too short for some setups.
  • Some users report customer service could be better.

Perfect For:

This portable diesel tank is perfect for anyone who needs to fuel vehicles or equipment on the go. It’s great for trucks, tractors, ships, motorhomes, and construction sites.

Ready to Purchase?

5. Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank44

Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank44

The Rds Aluminum 74551 20 Gal Rectangular Auxiliary Fuel Tank is a reliable and durable solution for extra fuel storage. It’s 100% pressure tested and submerged to ensure no leaks.

This tank has fully welded seams and heavy-duty aluminum mounting brackets. It’s made in the United States, so you know it’s high quality.

Pros Cons
  • No leaks thanks to full pressure testing
  • Strong build with fully welded seams
  • Secure hold from heavy-duty brackets
  • Made in the USA for trusted quality
  • Heavy tank may be hard to lift.
  • Aluminum can dent with rough use.
  • Auxiliary setup may need extra space.

Perfect For:

This fuel tank is a great choice for truck drivers. It provides extra gas storage for long trips.

Ready to Purchase?

6. 11025 1 1/2″ Diesel Installation Kit,Compatible with Gravity Fueled Auxiliary Fuel Tank and Newer Models with 1½” Fill Line,Only for Diesel

11025 1 1/2

The 11025 Diesel Installation Kit is perfect for diesel engines. It works with gravity-fueled auxiliary fuel tanks and newer models with a 1½” fill line. This kit ensures a stable fuel supply and controls the fuel level.

It fits 1999-2024 Ford, 2011-2022 Chevy/GMC, and 1999-2012 Dodge diesel models. Easy to install, it prevents fuel spillage by closing the valve tightly. Always check compatibility before buying.

Pros Cons
  • Easy installation connects your fuel tanks for stable fuel supply.
  • Prevents spillage with a secure valve closure during use.
  • Compatible with newer models for seamless integration.
  • Reliable fit for Ford, Chevy/GMC, and Dodge diesel engines.
  • Only for diesel, not suitable for other fuel types.
  • Requires tool for valve closure during installation.
  • Compatibility check needed to avoid wrong purchase.

Perfect For:

This kit is for truck owners who want stable fuel and clean diesel.
It fits many Ford, Chevy, and Dodge models with a 1½” line.

Ready to Purchase?

7. 51 Gallons Combo Aluminum Fuel Transfer Tank, with 10 GPM Fuel Transfer Pump/Gasoline Diesel Transfer Tank & Toolbox/Auxiliary Fuel Tank-Black

51 Gallons Combo Aluminum Fuel Transfer Tank, with 10 GPM Fuel Transfer Pump/Gasoline Diesel Transfer Tank & Toolbox/Auxiliary Fuel Tank-Black

This 51-gallon combo fuel transfer tank is a durable, all-in-one solution for storing and moving fuel. Made from rust-resistant black aluminum, it’s built to last. It comes with a toolbox for extra storage, making it super practical.

The 10 GPM fuel pump ensures fast and efficient refueling. Its 13.1-foot hose and automatic nozzle prevent spills and make fueling safe and easy.

The patented foam cover protects the tank from bending or warping. With 51 gallons of capacity, it’s perfect for diesel or gasoline storage, while the toolbox keeps your essentials organized.

Pros Cons
  • Durable black aluminum build resists rust and corrosion.
  • High-speed 10 GPM pump for fast, efficient refueling.
  • Patented foam cover prevents bending or warping.
  • Large 51-gallon tank and spacious toolbox for extra storage.
  • Automatic nozzle stops fuel flow, preventing overflow.
  • No filter included, so you’ll need to buy one separately.
  • General instructions only; actual accessories may differ.
  • Large size might not fit smaller vehicles or spaces.

Perfect For:

This 51-gallon fuel transfer tank is perfect for truck owners who need extra fuel storage and a secure toolbox. It’s ideal for long trips or heavy-duty work, keeping your fuel and tools safe and organized.

Ready to Purchase?

8. RDS MFG INC 72771 Fuel Tank

RDS MFG INC 72771 Fuel Tank

RDS MFG INC 72771 Fuel Tank is built for clean, safe fuel storage. It is made for easy use.

It has a locking automotive-style fill cap. It is made for exterior areas. The aluminum tank will not rust.

It has a universal fit. It is strong and simple. It is made to last.

Pros Cons
  • Locking cap helps keep fuel safe.
  • Aluminum tank will not rust.
  • Built for outside use.
  • Universal fit works with many setups.
  • Automotive-style cap is easy to use.
  • No pressure relief valve—potential safety issue.
  • Heavy weight for handheld rigging.
  • Requires separate safety cover.

Perfect For:

This fuel tank is perfect for anyone needing a durable, rust-free solution for outdoor use. Its locking cap and universal fit make it ideal for all vehicles.

Ready to Purchase?

9. RDS MFG INC 11025 Diesel Install Kit

RDS MFG INC 11025 Diesel Install Kit

This is a fuel kit. It fits a motor engine fuel tank.

The box has one item. It works for diesel. You can use gas with a pump.

RDS has many tanks. They come in many sizes. Pick the best fit.

Pros Cons
  • Versatile tanks in various sizes to fit your needs.
  • Allows gasoline auxiliary fueling with electric pump.
  • Durable motor engine fuel tank for reliable performance.
  • Single package for easy installation.
  • Limited to diesel use, not suitable for all vehicles.
  • Requires electric pump for gasoline auxiliary fueling.
  • Single item package, no extra parts included.

Perfect For:

The RDS MFG INC 11025 Diesel Install Kit is perfect for anyone needing a reliable fuel tank for their motor engine. It’s great for those who want flexibility, like using gasoline as an auxiliary fuel, and fits various needs with its different sizes.

Ready to Purchase?

10. RDS Aluminum Auxiliary Transfer Fuel Tank – 200 Gallon, Rectangular, Smooth, Model Number 73217

RDS Aluminum Auxiliary Transfer Fuel Tank - 200 Gallon, Rectangular, Smooth, Model Number 73217

The RDS Aluminum Auxiliary Transfer Fuel Tank is a 200-gallon solution for your fuel storage needs. Its rectangular, smooth design fits well in various setups.

It has a baffled design to stop fuel from sloshing. A sight gauge lets you check fuel levels easily. The 6-inch clean-out port makes maintenance simple.

It includes mounting tabs, lifting tabs, and a locking fill cap. A rollover vent and 3/8-inch drain add safety. It works with standard transfer pumps for easy use.

Pros Cons
  • Baffled design stops fuel from sloshing, keeping it stable.
  • Sight gauge lets you check fuel levels easily.
  • 6-inch port makes cleaning and inspections simple.
  • Includes mounting tabs and locking fill cap for secure setup.
  • No pump included, requires extra purchase for transfer.
  • Diesel kits sold separately, adding cost and hassle.
  • Large size may not fit all vehicle setups.

Perfect For:

This 200-gallon fuel tank is perfect for truck owners who need extra fuel capacity for long trips or heavy-duty work. It’s easy to install and built tough for reliable performance.

Ready to Purchase?

Buying Guide

Auxiliary diesel fuel tanks are a smart choice for anyone needing extra fuel. They keep you moving without worry on long trips or in remote areas. Let’s explore how to pick the best one for you.

Factors to Consider When Buying:

  • Capacity: Choose a tank size that fits your needs. Smaller tanks (20-40 gallons) are great for short trips, while larger tanks (50-200 gallons) are better for long journeys or heavy use.
  • Material: Look for durable materials like aluminum or PE plastic. They resist rust and last longer, especially in tough conditions.
  • Portability: Decide if you need a portable tank for easy movement or a truck-mounted option for stability.
  • Installation: Check if the tank comes with an installation kit. Some kits are easy to install, while others may need professional help.
  • Safety Features: Look for locking caps, rollover vents, and leak-proof designs to keep fuel safe and prevent spills.
  • Pump and Hose: If the tank includes a pump and hose, ensure they are high-quality and easy to use for quick refueling.
  • Compatibility: Make sure the tank fits your vehicle. Check compatibility with your truck’s make and model before buying.
  • Extra Features: Some tanks come with toolboxes or sight gauges. These add-ons can make your tank more practical and user-friendly.

With these factors in mind, you’ll find the perfect auxiliary diesel fuel tank to keep you on the road with confidence.