Best Diesel Fuel Tank Truck Accessories for Efficient on-the-Go Refueling

Answering the core buyer need: these diesel fuel tank truck accessories are designed to expand capacity, streamline refueling, and keep tools and fuel organized on work sites or during long hauls. The top picks below are suited for fleet managers, contractor crews, and DIY enthusiasts who require portable or integrated fuel storage. Each option offers different capacities, durability, and usability to fit various trucks and workflows. A quick reference table follows to compare key specs at a glance.

RDS MFG INC – 72548 Fuel Transfer Tank/Auxiliary Fuel Tank/Toolbox Combo

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This 60-gallon combo merges a practical auxiliary fuel tank with a built-in toolbox, ideal for small fleets or single-vehicle operators who need both storage and tool organization in one unit. Best for crews that value space efficiency and integrated storage. The unit’s dimensions and construction support durable field use. A potential limitation is that installation may require mounting hardware and fitment verification for your specific truck bed or chassis.

51 Gallon Aluminum Fuel Transfer Tank Toolbox Combo

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This heavy-duty all-in-one unit combines a 51-gallon aluminum tank with a built-in toolbox. It uses a 12 GPM 12V DC pump and a 13 ft hose with an auto-nozzle for spill-free field refueling. Best for: operators who want to maximize truck bed space while maintaining tools and fuel in a single ready-to-use package. Better for diesel or gasoline refueling depending on pump compatibility; ensure your vehicle wiring can support the pump kit.

RDS MFG INC 71083 Rectangular Auxiliary/Transfer Fuel Tank

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This 45-gallon rectangular tank supports gasoline fueling via an electric pump and features fully welded seams for durability. Best for lighter-duty needs or as a backup reservoir for service vehicles. It’s a straightforward option when capacity needs are modest. Limitation: capacity is smaller than some options, so frequent refilling or additional tanks may be required for long trips.

VEVOR Portable Diesel Tank, 58 Gallon

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Designed for portability, this 58-gallon diesel tank includes a 12V transfer pump with a 13.1 ft hose and a dual-filter system. Best for contractors and mobile crews who need to refuel multiple vehicles on-site without returning to a base station. It incorporates a weather-resistant polyethylene body and a lockable lid for security. Caution: ensure compatibility with your vehicle’s battery power and pump rating for extended operation.

RDS MFG INC Fuel Tank – 60-Gallon

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This 60-gallon tank from RDS offers versatile gasoline fueling via top-siphon design when paired with an electric pump. Best for buyers who need a robust, mid-size option compatible with a range of short-bed trucks. Limitation: verify bed length and mounting compatibility to avoid fit issues on certain vehicle models.

RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon

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At 69 gallons, this option provides substantial capacity for longer trips or heavier usage. Best for fleets needing extended range between fills. Notes: ensure top-siphon pumping and fit within your vehicle’s bed. This model sits toward the larger end of the spectrum, so compatibility checks are recommended before purchase.

Buying Guide

What capacity fits your needs? Choose based on typical trip length, fuel consumption, and how often you refill away from base. If you want integrated tool storage, consider toolbox-plus-tank combos. For frequent field refueling, a pump kit with a long hose improves efficiency. Material matters: aluminum resists corrosion but may cost more than steel or polyethylene tanks. Portability matters for mobile crews; look for lockable lids and robust handles. Ensure compatibility with your truck bed dimensions and mounting points.

Key questions to ask during buying: Can the unit be installed in your truck model with existing hardware? Is the pump rated for your required GPM and electrical system? Do you need a separate toolbox, or is a combo unit best? How easy is refueling—directly on the field or via a station? What are the maintenance implications of aluminum, steel, or polyethylene tanks?

Practical buyer tips

• Opt for corrosion-resistant materials if you operate in harsh environments or with salty road conditions.
• Prefer units with a built-in pump for quick field refueling to reduce downtime.
• Check overall system length and hose reach to ensure it covers the distance to your vehicles.
• Prioritize security features like lockable lids when storing diesel on-site.

FAQ

1. What capacity should I choose for long hauls? Choose larger units (58–69 gallons) to minimize refueling stops, balanced against truck bed space.
2. Can these tanks handle gasoline and diesel? Yes, several models specify gasoline-compatible fueling with pumps; verify pump compatibility for your fuel type.
3. Are toolbox combos worth it? For users needing tool organization plus fuel storage, toolbox combos save space and simplify logistics.
4. Is installation difficult? It varies by model; some require mounting hardware and wiring for the pump. Check the manufacturer’s install kit and vehicle fitment.
5. What maintenance is needed? Regularly inspect seals, hoses, and filters; replace worn components and keep the tank clean to prevent contaminants.
6. Do these tanks affect payload? Additional weight reduces payload capacity; plan around your vehicle’s gross vehicle weight rating.