Choosing a low profile fuel tank designed for a truck bed can improve clearance, reduce drag, and simplify installation. This guide highlights five top options, balancing capacity, build quality, and compatibility. Each listing includes a quick feature snapshot and a direct link to the product on Amazon for easy comparison.
The following table gives a snapshot of the selected products to help you compare at a glance before diving into the full descriptions.
| Product | Capacity | Profile/Notes |
|---|---|---|
| RDS MFG INC 72771 Fuel Tank | Not specified | Aluminum, exterior use, locking fill cap |
| TRQ Gas Fuel Tank 16 gal | 16 gallons | Direct fit for several GM trucks |
| RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon | 69 gallons | Rectangular, top-siphon optional fueling |
| RDS MFG INC Fuel Tank – 60-Gallon | 60 gallons | Top-siphon electric pump option |
| Scepter 08669 Rectangular 12 Gallon Low Profile Marine Tank | 12 gallons | Low profile, durable shell, transport handles |
RDS MFG INC 72771 Fuel Tank
The RDS 72771 is an aluminum fuel tank designed for exterior use with a locking automotive-style fill cap. Its aluminum construction helps resist rust, making it suitable for rugged environments. The low-profile design supports bed clearance while offering substantial durability in outdoor settings. This tank is positioned as a versatile option for those needing a rugged exterior tank with secure access and corrosion resistance.
RDS MFG INC Rectangular Auxiliary/Transfer Combo Tank
This 51-gallon auxiliary/transfer tank from RDS MFG INC is designed for flexible fueling needs, including gasoline fueling from the top via electric pump. It supports a variety of capacities and dimensions, enabling users to adapt to different truck bed configurations. It is marketed as a motor engine fuel tank with a focus on practical transfer capabilities for auxiliary fueling tasks.
TRQ Gas Fuel Tank 16 Gal
The TRQ 16-gallon tank offers a direct-fit option for various GM trucks from the 1980s to 1990s models. Marketed as an OE replacement, it emphasizes vehicle-specific fitment. Prospective buyers should verify exact fitment by checking the listing’s fitment information and cross-referencing model years to ensure compatibility with their truck bed and hardware. It’s positioned as a straightforward replacement option with an emphasis on reliable fit.
RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon
This rectangular auxiliary tank from RDS MFG INC offers a substantial 69-gallon capacity and a top-fueling option via electric pump. Its dimensions are listed as 57.0 inches L × 18.0 inches W × 16.0 inches H, highlighting its low-profile footprint suitable for trucks with limited bed height. It emphasizes versatility for auxiliary fueling setups and practical integration with existing truck systems.
RDS MFG INC Fuel Tank – 60-Gallon
The 60-gallon model from RDS MFG INC emphasizes a practical balance between capacity and bed profile. It supports gasoline fueling from the top with an electric pump option, aligning with common auxiliary fueling needs for trucks. It also notes compatibility considerations—specifically that some short-bed configurations may require measurement prior to ordering to ensure a proper fit.
Scepter 08669 Rectangular 12 Gallon Low Profile Tank
This 12-gallon Scepter tank is designed for boats, offering a low-profile rectangular form factor ideal for compact spaces. Its rugged shell construction minimizes evaporation and preserves octane value longer, with molded handholds that aid transport. While marine-focused, the low-profile design translates well into vehicle applications where space is at a premium in the truck bed.
RDS MFG INC 71783 Auxiliary Fuel Tank 63Gal Wedge
The 63-gallon wedge-shaped auxiliary tank from RDS MFG INC is described as an auto accessory with a compact package dimension. Its wedge geometry can be advantageous for certain bed profiles where height clearance is a constraint, enabling a lower overall silhouette while maintaining useful capacity for longer trips or heavy fuel demand.
Moeller 630013LP Low Profile Portable Fuel Tank
Moeller’s 12-gallon low-profile portable tank is designed for portable fuel delivery, with a compact footprint and robust construction. Its dimensions are listed as 24.51 inches long, 17.76 inches wide, and 10.82 inches high. While marketed as portable, its low profile makes it a practical reference point for truck bed use where a compact, maneuverable tank is desired. It is not intended for permanent bed installation but can serve as a supplemental fuel source in mobile setups.
Buying Guide: Key Purchase Considerations
- Capacity vs. space: Determine how much fuel you need and how much bed space you are willing to sacrifice. Higher capacity tanks require more horizontal space, even if the profile is low.
- Material and corrosion resistance: Aluminum and treated plastics offer different resistance to corrosion and wear. Aluminum tanks resist rust, while polymer tanks can be lighter and less prone to denting.
- Top-fueling vs. bottom connections: Tanks that support top fueling with an electric pump may simplify installation and refueling but require compatible fittings and routing for hoses and pumps.
- Fitment and vehicle compatibility: Always verify fitment with your specific truck model, bed length, and wheel well clearance. Some “direct fit” or “OE replacement” tanks are tailored to particular years and trims.
- Portability vs. permanence: Portable tanks offer flexibility but may lack the stability of permanently mounted options. Consider mounting hardware, stability, and legal requirements for permanent installations.
- Ventilation, evaporation, and safety: Low-profile designs should still address vapor management. Look for tanks with proper venting and secure fill caps to prevent leaks and spills.
- Installation complexity: Some tanks come with ready-to-install packages, while others require custom mounting brackets, hoses, and pumps. Assess your DIY capability or plan for professional installation.
- Warranty and support: Check warranty terms and availability of replacement parts, especially for auxiliary tanks used in rugged or off-road conditions.
When selecting a low profile fuel tank for a truck bed, balance capacity, profile, and fitment with the intended use. The listed options provide a spectrum from compact 12-gallon tanks suitable for tight spaces to larger 60–69 gallon tanks designed for extended runs, helping you tailor a solution to your truck and workload.