When you need a dependable truck bed mounted fuel tank, you want units that maximize capacity, durability, and safe transfer. This guide highlights five strong options suited for work trucks, construction fleets, and off-road rigs. Each selection targets different needs—from larger, steel tanks for rugged use to aluminum models that save weight. The buyer is best served by choosing based on capacity, material, pump power, and mounting compatibility.
| Product | Capacity | Material | Best For |
|---|---|---|---|
| Better Built 36-Gallon Steel Transfer Tank | 36 gallons | Steel | Heavy-duty, long-term durability |
| 51 Gallon Aluminum Tank Toolbox Combo | 51 gallons | Aluminum | Lightweight with integrated toolbox and pump |
| Dee Zee DZ92556NSB Transfer Tank | Varies by model | Steel | Rugged, proven design |
| 95 Gallon Transfer Refueling Tank TTL95 | 95 gallons | Steel | Large capacity, DOT approval |
| RDS MFG Rectangular 69 Gallon Tank | 69 gallons | Steel | Balanced capacity and durability |
Better Built 36-Gallon Steel Transfer Tank

This 36-gallon steel transfer tank is best for buyers who prioritize rugged durability and a straightforward setup. The steel construction resists damage from rough worksite conditions, making it a reliable workhorse for trucks that need steady fuel access on long routes or remote jobsites. It suits fleets that value a simple, proven design over added features. Caution: The smaller capacity may require more frequent refills on long runs.
51 Gallon Aluminum Tank Toolbox Combo

The 51-gallon aluminum option combines a fuel transfer tank with a toolbox and a 12 GPM pump, making it ideal for buyers who want convenient storage and frequent refueling without heavy weight. Aluminum helps reduce payload impact, which is useful for trucks operating on varied terrains or with payload-sensitive configurations. Best for: users who need an all-in-one solution with decent pumping speed. Limitation: Aluminum can be more susceptible to cosmetic wear in harsh environments, though it remains corrosion-resistant.
Dee Zee DZ92556NSB Transfer Tank

The Dee Zee DZ92556NSB transfer tank is a robust steel option suitable for demanding job sites. It fits trucks requiring a proven design with reliable mounting and fuel delivery. This model is well-suited for contractors and fleet operators who prioritize compatibility and durability. Best for: hard-use environments. Caution: Always verify mounting compatibility with your specific bed dimensions before purchase.
95 Gallon Transfer Refueling Tank TTL95

The TTL95 95-gallon transfer tank prioritizes large capacity for extended fueling capability. The design aligns with DOT approvals, suggesting a focus on safety and regulatory considerations for commercial use. This option is best for fleets that require long service intervals between refills and need to cover substantial ranges. Limitation: Larger tanks require more mounting space and can impact maneuverability in tight areas.
RDS MFG 69 Gallon Rectangular Tank

The RDS MFG 69-gallon model offers a balanced blend of capacity and rugged construction. It is well-suited for buyers who want a sturdy steel tank without unnecessary extras. Choose this if you need dependable fuel transfer with straightforward mounting. Caution: Ensure compatibility with your vehicle bed configuration and any required mounting hardware.
Buying Guide: How to Choose a Truck Bed Mounted Fuel Tank
- Capacity and fuel needs: Larger tanks reduce refill frequency but add weight and space considerations. Match capacity to typical fuel consumption and travel range.
- Material choice: Steel tanks are highly durable; aluminum tanks save weight but may show cosmetic wear. Consider corrosion resistance and payload impact.
- Pump and hose specs: Look for pump flow rates (GPM), hose length, and nozzle type to ensure quick, safe transfers that fit your workflow.
- Mounting compatibility: Verify bed dimensions, mounting brackets, and crossbars. Confirm compatibility with your truck’s bed rails and tailgate.
- Safety and regulations: DOT approvals, venting, and spill containment reflect compliance and reduce risk in transport and use.
- Integrated features: Toolbox combos add organization; built-in safety features like shutoff valves and anti-siphon designs enhance usability and protection.
Frequently Asked Questions
- What size truck bed mounted fuel tank should I choose?
Answer: Choose based on travel distance, refueling frequency, and payload impact; larger tanks reduce refueling stops but increase weight and space needs. - Are aluminum tanks safer than steel tanks?
Answer: Both are safe when installed correctly; aluminum saves weight, while steel offers maximum durability. Consider use case and mounting hardware compatibility. - Do these tanks require professional installation?
Answer: Installation complexity varies by model; consult mounting instructions and local regulations. Some setups may benefit from professional attention. - What maintenance is needed for fuel transfer tanks?
Answer: Regularly check hoses, fittings, and seals; ensure pumps operate smoothly; inspect for corrosion or leaks, especially after heavy use. - Can I use these tanks for diesel and gasoline?
Answer: Many models support multiple fuels; verify fuel compatibility in the product specifications before use to avoid damage. - What safety features should I look for?
Answer: Venting, anti-siphon devices, shutoff valves, spill containment, and DOT compliance improve safety during transport and fueling.