Top 10 Best Low Profile Fuel Tank for Truck Bed – Quality & Expert Picks
Looking for the best low profile fuel tank for truck bed? Whether you’re hauling gear, towing a trailer, or just need extra fuel capacity without sacrificing bed space, a low-profile auxiliary fuel tank can be a game-changer. These compact yet powerful tanks are designed to fit snugly in your truck bed while providing reliable fuel storage and transfer capabilities. In this roundup, we’ve tested and reviewed the top options available today—focusing on durability, ease of installation, compatibility, and value. From aluminum models with built-in toolboxes to high-capacity steel tanks with electric pumps, there’s something here for every truck owner.
Quick Product Comparison
Our Top 10 Best Low Profile Fuel Tank For Truck Bed Reviews – Expert Tested & Recommended
1. RDS MFG INC 71789 Rectangular Auxiliary/Transfer Fuel Tank with Tool – 51 Gallon Capacity
The RDS MFG INC 71789 is our top pick for a low profile fuel tank for truck bed. With a robust 51-gallon capacity and compact rectangular design, it maximizes space efficiency without compromising on performance. This tank is engineered for durability and includes a built-in tool compartment, making it ideal for both utility and convenience.
Key Features That Stand Out
- ✓ 51-gallon high-capacity design for extended trips
- ✓ Built-in tool compartment for added functionality
- ✓ Fully welded seams ensure leak-proof reliability
- ✓ Compatible with most standard truck beds
- ✓ Easy siphon setup using an electric fuel pump
Why We Recommend It
This tank stands out due to its perfect balance of size, strength, and usability. The included tool box adds practical value, while the low-profile shape ensures it doesn’t interfere with bed cover installation. Users appreciate how straightforward the installation process is and how well it holds up under heavy use.
Best For
Perfect for truck owners who need extra fuel without sacrificing cargo space, especially those using bed covers or needing integrated storage solutions.
Pros and Cons
Pros:
- High-quality construction with fully welded seams
- Built-in tool box increases versatility
- Fits well in standard truck beds
- Supports gasoline siphoning via electric pump
Cons:
- Not suitable for direct gasoline filling (must siphon)
- May require additional bracing for very heavy-duty applications
Customer Reviews
Customer Review: “Installed this in my F-250 and love the extra fuel capacity. The tool box is a nice bonus for storing fittings and hoses.”
Customer Review: “Solid build and fits perfectly under my tonneau cover. No leaks after months of use.”
2. RDS MFG INC 72548 Fuel Transfer Tank/Auxiliary Tank/Toolbox Combo – 60 Gallon
The RDS MFG INC 72548 combines a large 60-gallon fuel reservoir with a functional toolbox in one sleek package. Its rugged steel construction and thoughtful design make it a standout among low profile fuel tanks for truck bed applications where space and utility matter equally.
Key Features That Stand Out
- ✓ Spacious 60-gallon capacity for long-distance travel
- ✓ Integrated toolbox enhances organization and accessibility
- ✓ Heavy-duty steel build resists corrosion and impact
- ✓ Designed for easy mounting in pickup truck beds
- ✓ Compatible with standard fuel transfer systems
Why We Recommend It
This model earns our editor’s choice status because it delivers exceptional value through its dual-purpose design. The combination of ample fuel storage and built-in tool storage makes it a favorite among contractors and off-road enthusiasts alike. Installation is straightforward, and the sturdy frame handles rough terrain with ease.
Best For
Ideal for professionals and adventurers who need both fuel and tool storage in a single unit, particularly in full-size trucks with deep beds.
Pros and Cons
Pros:
- Rugged steel construction ensures longevity
- Large 60-gallon volume reduces refueling stops
- Toolbox keeps accessories secure and organized
- Easy to mount and integrate with existing systems
Cons:
- Slightly heavier than aluminum alternatives
- Toolbox access may be limited when tank is nearly full
Customer Reviews
Customer Review: “Great combo of fuel and tools. Mounts securely and looks professional on my work truck.”
Customer Review: “Holds plenty of diesel for my generator runs. Solid welds and no rust so far.”
3. RDS MFG INC 60-Gallon Fuel Tank for Vehicles and Equipment
If you’re looking for a reliable, no-frills low profile fuel tank for truck bed that won’t break the bank, this 60-gallon RDS model delivers outstanding performance at a budget-friendly price point. It’s built tough but keeps costs down without sacrificing essential features.
Key Features That Stand Out
- ✓ Affordable yet durable 60-gallon capacity
- ✓ Fits many short-bed trucks with proper measurements
- ✓ Simple siphon system compatible with electric pumps
- ✓ Corrosion-resistant coating extends lifespan
- ✓ Lightweight compared to full steel counterparts
Why We Recommend It
This tank proves you don’t need expensive bells and whistles to get great results. Its straightforward design means less complexity during installation and maintenance—perfect for DIYers or fleet operators watching their bottom line. Despite its lower price, it still offers solid construction and dependable service.
Best For
Affordable solution for everyday drivers and small fleets needing extra fuel capacity without premium pricing.
Pros and Cons
Pros:
- Cost-effective without compromising quality
- Lightweight and easy to install
- Works well with common siphon kits
- Coating helps prevent rust and degradation
Cons:
- Limited compatibility with very short bed trucks
- No built-in tool storage
Customer Reviews
Customer Review: “Got this for my weekend camping rig. Works great and didn’t cost a fortune.”
Customer Review: “Mounted easily and has held up through mud and rain. Good value overall.”
4. RDS Fuel Transfer Tank/Toolbox Combo with 8 GPM Pump – 60-Gal Capacity
This RDS transfer tank stands out by integrating a high-flow 8 GPM electric pump directly into the 60-gallon system. Ideal for quick refuels or remote operations, it’s a smart upgrade for anyone serious about fuel efficiency and convenience.
Key Features That Stand Out
- ✓ Built-in 8 gallons-per-minute electric pump
- ✓ Heavy-duty aluminum mounting brackets included
- ✓ Spin collar allows fast pump installation
- ✓ Toolbox compartment for accessories
- ✓ Low center of gravity enhances stability
Why We Recommend It
The inclusion of a powerful pump eliminates manual siphoning and speeds up fuel transfer significantly. Combined with its robust aluminum body and integrated storage, this tank is perfect for jobsites, farms, or recreational vehicles where time matters.
Best For
Users who want instant fuel delivery and prefer not to handle messy hose setups—great for diesel generators, tractors, or backup power systems.
Pros and Cons
Pros:
- Fast 8 GPM transfer rate saves time
- Aluminum resists rust and lasts longer
- Toolbox keeps everything organized
- Spin collar simplifies pump changes
Cons:
- Pump requires wiring—may need professional help
- Slightly higher price due to added electronics
Customer Reviews
Customer Review: “The pump makes refueling so much easier. Worth the extra cost for the convenience.”
Customer Review: “Solid construction and the pump works flawlessly even in cold weather.”
5. RDS MFG INC 72771 High-Capacity Fuel Tank – Durable Construction
Engineered for extreme conditions, the RDS MFG INC 72771 features a heavy-duty aluminum tank with a locking automotive fill cap. Its rugged design makes it a top contender among low profile fuel tanks for truck bed setups demanding reliability under pressure.
Key Features That Stand Out
- ✓ Locking automotive-style fuel cap prevents tampering
- ✓ Aluminum material resists rust and corrosion
- ✓ Designed for outdoor and exposed environments
- ✓ Large capacity supports extended operations
- ✓ Easy integration with standard fuel lines
Why We Recommend It
This tank excels in harsh settings like construction zones or off-road trails thanks to its weatherproof design and secure sealing mechanism. The aluminum build also means lighter weight than steel while maintaining structural integrity.
Best For
Outdoor professionals and adventurers operating in dusty, wet, or remote locations who need secure, long-lasting fuel storage.
Pros and Cons
Pros:
- Locking cap adds security and peace of mind
- Aluminum never rusts—ideal for wet climates
- Robust enough for daily industrial use
- Simple to mount and maintain
Cons:
- Higher upfront cost than plastic or mild steel
- Requires careful handling during installation
Customer Reviews
Customer Review: “Used it on a job site for two years—still going strong with zero leaks.”
Customer Review: “Love the locking cap. Makes me feel safe leaving it unattended.”
6. RDS MFG INC 71083 Rectangular Auxiliary/Transfer Fuel Tank – 45 Gallon Capacity
Compact yet capable, the RDS MFG INC 71083 offers 45 gallons of fuel storage in a slim rectangular form factor. Its fully welded seams and versatile design make it a great option for smaller trucks or those with limited bed space.
Key Features That Stand Out
- ✓ 45-gallon capacity strikes a balance between size and utility
- ✓ Fully welded seams enhance durability and leak resistance
- ✓ Low-profile shape fits under most bed covers
- ✓ Compatible with electric siphon pumps
- ✓ Suitable for gasoline auxiliary use
Why We Recommend It
This tank is ideal for drivers who want meaningful fuel expansion without overloading their truck bed. The rectangular footprint helps it slide neatly into tight spaces, and the welding ensures long-term reliability.
Best For
Owners of mid-size or short-bed trucks seeking efficient fuel augmentation without major modifications.
Pros and Cons
Pros:
- Compact size maximizes space usage
- Fully welded construction is leak-proof
- Works with standard electric pumps
- Affordable entry-level option
Cons:
- Smaller capacity than larger models
- Lacks integrated accessories like toolboxes
Customer Reviews
Customer Review: “Fits perfectly under my camper shell. Great for weekend trips.”
Customer Review: “Solid build and easy to install. Exactly what I needed.”
7. RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon – Heavy-Duty Design
For those needing maximum fuel without maxing out their bed space, this 69-gallon RDS tank delivers impressive volume in a manageable low-profile layout. Its heavy-duty framing supports demanding applications with confidence.
Key Features That Stand Out
- ✓ Massive 69-gallon capacity for extended range
- ✓ Rectangular shape optimizes truck bed utilization
- ✓ Heavy-duty frame withstands rough handling
- ✓ Package dimensions fit many full-size trucks
- ✓ Supports gasoline via electric pump siphon
Why We Recommend It
This tank is built for users who regularly run lean on fuel and refuse to compromise on reach. Despite its large volume, the flat design keeps it from raising too high above the bed rails, preserving ground clearance and cover compatibility.
Best For
Long-haul drivers, farmers, or anyone operating in remote areas where fuel stops are scarce.
Pros and Cons
Pros:
- Huge 69-gallon capacity reduces refuel frequency
- Flat profile maintains low center of gravity
- Strong frame handles heavy-duty tasks
- Compatible with most bed liners and covers
Cons:
- Heavier than average—requires strong mounting points
- May exceed some short-bed truck limits
Customer Reviews
Customer Review: “This thing gives me over 500 miles of range. Perfect for my hunting trips.”
Customer Review: “Mounted securely and hasn’t shifted once. Impressive build quality.”
8. RDS MFG INC Auxiliary Fuel Tank 37Gal – 71804 – Compact & Portable
The RDS MFG INC 71804 shines as a compact, portable fuel solution at 37 gallons. Its smaller footprint makes it perfect for tight spaces or as a supplemental tank for secondary vehicles.
Key Features That Stand Out
- ✓ Compact 37-gallon size saves valuable bed space
- ✓ Lightweight and easy to reposition
- ✓ Portable design suits multiple vehicle uses
- ✓ Electric pump compatible for quick transfers
- ✓ Durable construction withstands frequent moves
Why We Recommend It
Don’t let its size fool you—this tank punches above its weight in versatility. Whether used on a work truck, ATV trailer, or emergency vehicle, its portability adds huge value without sacrificing capacity.
Best For
Drivers with limited bed space or those who need fuel flexibility across different trucks or trailers.
Pros and Cons
Pros:
- Takes up minimal room in the bed
- Light enough to move around easily
- Works with standard siphon equipment
- Great for multi-vehicle households
Cons:
- Less capacity than larger models
- Might require extra support on steep inclines
Customer Reviews
Customer Review: “Moved it from my truck to my boat trailer effortlessly. Super useful.”
Customer Review: “Compact but holds enough for a weekend away. Love the portability.”
9. RDS MFG INC Fuel Tank Tool Combo – 60 Gallon – Includes Built-In Pump
This innovative combo unit merges a 60-gallon fuel tank with a built-in pump and tool storage in one streamlined package. It’s engineered for efficiency and organization, making it a standout among low profile fuel tanks for truck bed.
Key Features That Stand Out
- ✓ Built-in electric pump enables hands-free fueling
- ✓ Integrated tool compartment keeps essentials close
- ✓ 60-gallon capacity supports long journeys
- ✓ Low-profile design preserves bed cover functionality
- ✓ Secure mounting prevents movement during transit
Why We Recommend It
The fusion of fuel delivery and tool access in one unit streamlines workflows significantly. Contractors and field workers benefit immensely from having everything within reach without extra stops or setups.
Best For
Professionals who combine fuel needs with on-site tool requirements—ideal for plumbers, electricians, and maintenance crews.
Pros and Cons
Pros:
- Pump eliminates manual siphoning hassle
- Tools stay organized and protected
- Stable mounting reduces shifting risks
- Works well with diesel and gasoline (check compatibility)
Cons:
- Wiring required for pump—may need professional help
- Higher initial investment
Customer Reviews
Customer Review: “Having the pump and tools together saves me hours every week.”
Customer Review: “Installation was smooth. The pump works like a charm.”
10. Dee Zee DZ92647 Aluminum Combo Transfer Tank & Tool Box – 92 Gallon
For ultimate capacity and storage, the Dee Zee DZ92647 delivers 92 gallons in an aluminum transfer tank paired with a bolted-on toolbox. Its massive volume and rugged design cater to users who demand serious fuel and gear solutions.
Key Features That Stand Out
- ✓ Generous 92-gallon capacity for extended operations
- ✓ Bolted aluminum construction resists corrosion
- ✓ Integrated toolbox maximizes usable space
- ✓ Brite-Tread finish adds durability and style
- ✓ Designed for heavy-duty truck bed installations
Why We Recommend It
This tank is built for those who operate at scale—whether running generators, supporting fleets, or managing large equipment. The combination of enormous fuel volume and secure storage makes it a powerhouse option.
Best For
Fleet managers, event coordinators, or anyone needing both vast fuel reserves and organized tool access in one robust package.
Pros and Cons
Pros:
- Massive 92-gallon tank minimizes refueling
- Aluminum never rusts—long-term savings
- Toolbox keeps high-use items accessible
- Bolt-on design ensures rock-solid stability
Cons:
- Very large—only fits full-size trucks
- Significant weight requires reinforced mounts
Customer Reviews
Customer Review: “This tank powers my entire festival operation. No more fuel runs!”
Customer Review: “Heavy, yes, but worth it for the capacity and the toolbox.”
Complete Buying Guide for Low Profile Fuel Tank For Truck Bed
Essential Factors We Consider
When evaluating low profile fuel tanks for truck bed, several critical factors come into play. First, **capacity** determines how far you can go between refuels—balancing your vehicle’s range needs against available bed space. Next, **material** affects durability and weight: aluminum resists rust and is lighter, while steel offers greater strength at a lower cost. **Compatibility** with your truck model, bed length, and existing accessories (like tonneau covers or toolboxes) is crucial. Also consider whether the tank includes a **built-in pump**, **tool storage**, or other integrations that match your workflow. Finally, **ease of installation** and **maintenance requirements** will influence long-term satisfaction.
Budget Planning
Prices for low profile fuel tanks for truck bed vary widely—from budget-friendly options under $300 to premium combos exceeding $1,000. Entry-level models typically offer basic siphon capability and simple mounting, suitable for casual users. Mid-range units often include features like integrated pumps or tool compartments, adding convenience and value. High-end systems provide maximum capacity, corrosion resistance, and smart integrations but require larger investments. Always factor in potential add-ons like wiring kits, mounting hardware, or pump adapters when calculating total ownership cost. Remember: spending more upfront usually means fewer headaches later.
Final Thoughts
Choosing the right low profile fuel tank for truck bed transforms how you manage fuel logistics—whether for work, recreation, or emergencies. The best models blend capacity, durability, and smart design without overwhelming your truck’s utility space. Based on our testing and user feedback, prioritize tanks that align with your specific needs: size, material preference, and desired features like pumps or storage. And don’t forget to measure your truck bed carefully before ordering—even small differences in length or width can impact fitment.
Frequently Asked Questions
Q: Can I use a low profile fuel tank for gasoline?
A: Yes, but only if configured properly. Most low profile fuel tanks for truck bed allow gasoline use via electric pump siphoning from the top—never pour directly into the tank unless explicitly rated for it. Always follow manufacturer guidelines regarding fuel type.
Q: Will these tanks fit under a tonneau cover?
A: Many do, especially those labeled “low profile.” However, always check internal dimensions against your cover specifications. Some ultra-low designs are engineered specifically for compatibility with retractable or tri-fold covers.
Q: Do I need special tools to install one?
A: Basic hand tools usually suffice—wrenches, drills, and sealants depending on mounting method. Tanks with bolt-on frames simplify installation, while welded or custom mounts may require professional assistance.
Q: Are aluminum tanks better than steel?
A: Aluminum wins on corrosion resistance and weight; steel offers strength and affordability. Choose based on environment: coastal areas favor aluminum, while rugged jobsites might prefer reinforced steel frames.
Q: How much do these tanks weigh?
A: Weight varies by material and size. A typical 60-gallon aluminum tank weighs around 80–100 lbs empty; steel versions are heavier—expect 120–150 lbs. Factor this into your truck’s payload rating before purchasing.
Finding the perfect low profile fuel tank for truck bed starts with understanding your unique requirements—but rest assured, every option on this list has proven its worth through real-world use. Whether you prioritize capacity, convenience, or cost-efficiency, there’s a reliable solution ready to boost your truck’s performance. Ready to expand your fuel horizons? Click through any product above to see current pricing and secure yours today. And if you’re shopping for complementary gear—like swing-out tool boxes or ladder racks for covered beds—we’ve got expert guides to help you build the ultimate truck setup!
