The Best Saddle Fuel Tanks for Trucks, Tested

If you’re a truck owner or fleet manager, finding the right saddle fuel tank can significantly impact your operational efficiency and safety. These tanks are essential for extending your vehicle’s range, ensuring quick refueling on the go, and maintaining safety during transport.

In this review, you’ll find detailed insights into some of the best saddle fuel tanks available on Amazon, focusing on their construction quality, capacity, safety features, ease of maintenance, and compatibility with various trucks. Whether you need a heavy-duty steel tank or a versatile aluminum option, we’ve got you covered.

Weather Guard Transfer Tank L-Shape 90Gal Black – Heavy-Duty Strength and Safety

The Weather Guard Transfer Tank L-Shape 90Gal is designed for durability and safety, making it an excellent choice for those who require a robust solution for their full-sized trucks. Crafted from heavy-duty 12-gauge alloy steel, this tank offers resilience against harsh conditions while maintaining structural integrity over years of use.

The 90-gallon capacity is ideal for long hauls, and its L-shape design ensures a snug fit in trucks equipped with Gull Wing or Saddle Boxes. Interior baffles are a standout feature, actively minimizing fluid motion and fuel sloshing, which can be a safety concern during transport. The inclusion of a 3/8-inch drain port simplifies routine cleaning, and the 2-inch NPT connection allows for easy pump installation, making refueling both safe and efficient.

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• Durable Construction: Crafted from heavy-duty 12-gauge steel, this transfer tank ensures longevity and strength
• Efficient Fuel Transfer: With a 90-gallon capacity and L-shape design, it's perfect for full-size trucks with Gull Wing or Saddle Boxes
• Safety-Focused Design: Interior baffles minimize fluid motion, reducing fuel sloshing and enhancing safety
• Easy Maintenance: Equipped with a 3/8-inch drain port for routine cleaning and a 2-inch NPT for easy pump connection
• Vibration Resistance: Rubber isolation bushings protect the tank from road vibrations, ensuring extended tank life

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RDS MFG INC – 72548 Fuel Transfer Tank Combo – Versatile and Practical

The RDS MFG INC 72548 combo offers a versatile solution for those who need both a fuel transfer tank and a toolbox in one unit. Its 60-gallon capacity strikes a balance between size and manageability, making it suitable for various truck sizes and applications.

This product’s design emphasizes convenience, with the package dimensions facilitating easy installation and integration into your truck’s bed. Made in the United States, it adheres to quality standards, ensuring durability over time. The combination of an auxiliary fuel tank and toolbox means you can carry extra fuel along with essential tools, making it perfect for work sites and long-distance hauls.

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• Product Type:Auto Accessory
• Item Package Dimension:53.34 Centimeters L X 53.34 Centimeters W X 142.24 Centimeters H
• Country Of Origin: United States
• Item Package Weight:54.431 Kilograms

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RDS MFG INC Fuel Tank 60-Gallon – Flexible and Compatible

This 60-gallon RDS MFG INC fuel tank offers flexibility with its compatibility features, making it suitable for various truck models and applications. It allows gasoline auxiliary fueling, provided fuel is siphoned from the top via an electric pump, offering a convenient refueling option for your fleet.

The tank is designed to fit some short beds, but it’s essential to measure your truck beforehand to ensure compatibility. Although not suitable for transferring fuel to other vehicles, it serves well as an auxiliary tank for extended drives, especially when paired with a reliable pump system.

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• RDS offers a full assortment of tanks in various capacities and dimensions to fit your needs
• Gasoline auxiliary fueling is allowed, if siphoned from the top of the tank by using an electric fuel pump
• Fits some short beds; please measure before ordering
• Cannot be used to transfer gasoline to another vehicle

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Better Built Steel Transfer Fuel Tank – Reliable Capacity and Safety

The Better Built Steel Transfer Fuel Tank boasts a sizeable 36-gallon capacity, making it suitable for various hauling needs. Its rectangular design maximizes space efficiency in your truck bed, and the overfill restriction feature ensures safe refueling by automatically shutting off at the pump to prevent spills.

Built-in baffles enhance strength and stability during transport, reducing the risk of fuel shifting. The 2-inch flush-mounted inlet and outlet bungs facilitate rapid flow, making refueling quick and efficient. This tank is perfect for those prioritizing safety and durability during their daily operations.

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• Large 36-gallon capacity
• Overfill restriction provides automatic shutoff at the pump to prevent spilling
• Built-in baffles add strength and prevent contents from shifting during transport
• 2in. dia. flush-mounted inlet and outlet bungs allow for fast flow
• Lockable cap adds security

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JKIANTECH Non-Locking Saddle Tank Cap – Secure and Compatible

The JKIANTECH non-locking saddle tank fuel cap is a crucial accessory for maintaining fuel security and preventing leaks. With a 2-1/4-inch diameter and 11-1/2-inch NPSF threads, it fits a range of Ford L-Series and Freightliner trucks from 1990-1998.

Constructed from brass and vented, this cap offers a tight seal, reducing fuel evaporation and spillage. The inclusion of a sealing gasket, safety chain, and lifting bail ensures ease of use and added security, making it a reliable replacement part for maintaining your truck’s fuel system integrity.

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• 【Replaces Part Number】9114, 600007, 431008
• 【Compatibility】This non-locking saddle tank fuel cap compatible with Freightliner Business Class M2, Cascadia, FL50/60/70/80, M2 106/112, MT45/55; Compatible with Ford L-Series Heavy-Duty Trucks 1990-1998 (fit for Ford L8000F 7.8L 6 Cyl DIESEL 1990-1993, fit for Ford L8000F 8.3L 6 Cyl DIESEL 1993-1998)
• 【Technical Specifications】2" NPSF female threads (11-1/2 threads per inch) | 2-1/4" overall diameter | 2.37" inner diameter. This non-locking fuel cap works with 2-1/4" male threaded openings, it can be used for both side and saddle fuel tanks – check your tank's specs to confirm fit
• 【Premium-Grade】Every diesel fuel cap comes with a sealing gasket, 13-inch safety chain, and lifting bail to prevent fuel leaks and ensure a tight, secure seal on your truck's fuel tank.
• 【Easy Installation】Just screw the heavy-duty metal fuel cap onto your tank's filler neck. Its precision-engineered threads create a perfect seal with the tank opening, effectively preventing diesel leaks. The rugged construction ensures long-lasting performance without complicated locking mechanisms

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Vigorighter 51 Gallon Aluminum Transfer Tank Combo – Lightweight and Durable

The Vigorighter 51-gallon aluminum transfer tank combines portability with rugged durability, making it a versatile choice for various refueling needs. Its corrosion-resistant aluminum construction ensures long-lasting performance in tough environments.

The integrated toolbox adds storage capacity for tools and supplies, maximizing truck bed utilization. The included 12 GPM 12V DC pump with a 13-foot hose and auto-shutoff nozzle simplifies refueling, providing a spill-free experience. Suitable for gasoline, diesel, and kerosene, this unit caters to multiple fuel types, enhancing its utility across different applications.

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• Heavy-Duty All-in-One Combo: This space-saving unit combines a full-size 51-gallon auxiliary fuel tank with a built-in toolbox, all crafted from rugged corrosion-resistant aluminum for maximum durability. Its compact footprint (overall 58.1"L x 19"W x 20"H, toolbox: 31"L x 19"W x 8.8"H) maximizes truck bed space, letting you haul fuel, tools, and cargo in one go.
• Rugged Corrosion-Resistant Build: Built to last, the entire unit features heavy-duty, corrosion-resistant aluminum construction. This rugged build is designed to endure tough conditions, ensuring reliable performance and long-term service on any worksite or road.
• Plug-and-Play Pump Kit: The included high-flow 12V DC fuel transfer pump (12 GPM) with a 13 ft hose and auto-shutoff nozzle delivers spill-free refueling directly in the field. Simply connect to a power source—installation is a breeze. Get true plug-and-play convenience.
• Universal Power & Fuel Use: Designed for ultimate versatility, the pump easily connects to any 12V battery (vehicle or standalone) and safely handles gasoline, diesel, kerosene, and mineral oil. It's the perfect refueling partner for trucks, tractors, boats, mowers, generators, and more.
• Overheat-Protected Motor: Engineered for dependable use, the pump features an intermittent-duty motor with a built-in thermal protector to prevent overheating. For maximum pump life, we recommend a 30-minute cooldown after extended pumping sessions.

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Weather Guard Transfer Tank Model L-Shape 90 Gallon – Heavy-Duty and Secure

This Weather Guard 90-gallon transfer tank combines robust construction with thoughtful safety features. Made from heavy-duty 12-gauge steel, it is built to withstand demanding conditions while providing ample fuel storage for long trips.

The lockable vented filler cap prevents pressure buildup and unauthorized access, enhancing security. Interior baffles further protect your fuel and hydraulic fluids by minimizing fluid motion during transit. Designed to fit snugly in full-size trucks with Gull Wing or Saddle Boxes, this tank is perfect for professional and heavy-duty use.

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• Durable Construction: Crafted from heavy-duty 12-gauge steel, this tank ensures longevity and strength
• Capacity & Compatibility: Holds up to 90 gallons, designed to fit snugly in most full-size pickup trucks with Gull Wing or Saddle Boxes
• Ventilation & Safety: Equipped with a vented filler cap to prevent pressure buildup and a lockable feature for added security
• Fluid Protection: Interior baffles minimize fluid motion, extending tank life and protecting your fuel or hydraulic fluid
• Easy Maintenance: Features a 3/8-inch drain port for routine maintenance and a 2-inch NPT for accommodating most pumps

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Dorman 576-343 Fuel Tank – Reliable Replacement for Chevrolet/GMC

The Dorman 576-343 fuel tank offers a straightforward replacement option for specific Chevrolet and GMC models. Its rugged build ensures long-term dependability, matching the original part’s specifications for a seamless fit.

Backed by a team of product specialists in the US, this tank provides peace of mind with quality assurance. It’s ideal for repairs and replacements, ensuring your truck’s fuel system remains functional and reliable over time.

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• Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
• Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
• Quality assured – this part has been validated to ensure a quality fit and long service life
• Trustworthy design – backed by team of product specialists in the United States
• Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

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RDS MFG INC Rectangular Auxiliary Fuel Tank – Versatile Extra Capacity

The RDS MFG INC 69-gallon rectangular auxiliary fuel tank offers extra capacity for extended trips, especially useful when combined with electric fuel pumps for siphoning gasoline from the top. Its shape maximizes space efficiency in your truck bed.

Constructed to meet quality standards, this tank provides reliable auxiliary fueling for gasoline. Its dimensions make it suitable for a variety of truck models, perfect for long-haul applications where additional fuel is necessary.

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• RDS offers a full assortment of tanks in various capacities and dimensions to fit your needs
• Gasoline auxiliary fueling is allowed, if siphoned from the top of the tank by using an electric fuel pump
• Package Dimensions: 57.0 " L x 18.0 " W x 16.0 " H
• Package Weight: 43.545 kilograms

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Buyer’s Guide: What to Consider

When selecting the best saddle fuel tank for your truck, it’s important to evaluate several practical factors to ensure safety, durability, and compatibility. This section will guide you through key considerations to help you make an informed purchase that meets your specific needs.

• Material Durability: Choose tanks made from heavy-duty steel or corrosion-resistant aluminum to ensure longevity, especially if your work involves tough conditions or frequent use.
• Capacity Needs: Assess your fuel requirements based on typical trip lengths and truck size to select an appropriately sized tank, balancing capacity with space constraints.
• Safety Features: Look for tanks with interior baffles, overfill protection, vented caps, and lockable features to prevent spills, leaks, and unauthorized access during transport.
• Compatibility and Fit: Measure your truck's bed and existing tank openings carefully to ensure the new tank fits correctly, especially for specialized shapes like L-shape or rectangular models.
• Ease of Maintenance: Opt for tanks with drain ports, accessible inlet/outlet bungs, and easy-to-clean materials for straightforward upkeep and routine safety checks.
• Additional Features: Consider accessories like integrated toolboxes, pumps, and secure caps to enhance functionality and convenience during refueling and transport.
• Brand Reputation and Support: Choose products from reputable brands with good reviews and reliable customer support to ensure quality and assistance when needed.

Conclusion

In summary, the ideal saddle fuel tank depends on your truck’s size, fuel requirements, and operational safety standards. Heavy-duty steel tanks like the Weather Guard model provide maximum durability and security, while aluminum options like the Vigorighter offer lightweight portability with added versatility.

By considering factors such as material, capacity, safety features, and compatibility, you can select a tank that enhances your vehicle’s performance and safety. Always prioritize quality and brand reputation to ensure long-term reliability for your trucking operations.