Find the right combination of fuel tank and cargo box built with durable diamond plate aluminum. This guide targets buyers seeking integrated fuel storage and toolbox functionality for trucks or utility vehicles. The top picks below are categorized by capacity and features to help you decide who benefits most—from pros needing high capacity to owners wanting secure, long-lasting aluminum builds.
| Product | Capacity | Material | Best For |
|---|---|---|---|
| RDS Aluminum Transfer Fuel Tank Toolbox Combo – 48 Gallon, 72774 | 48 gal | Diamond plate aluminum | Medium-duty hauling and integrated storage |
| RDS Fuel Transfer Tank/Toolbox Combo w/15 GPM Pump – 70-Gal. Cap Diamond Plate | 70 gal | Diamond plate aluminum | High-capacity fuel transport with pump |
| Dee Zee DZ92740B (43 gallon) Black Aluminum Combo | 43 gal | Aluminum | Balanced size and durability for mid-size trucks |
| TrailFX L-Shape 75 Gallon Diamond Plate Tank | 75 gal | Diamond plate aluminum | Large capacity with optimized truck bed utility |
| RDS 51 Gal Auxiliary Aluminum Combo Tank & Toolbox 72747 | 51 gal | Aluminum | Auxiliary storage with added toolbox |
RDS Aluminum Transfer Fuel Tank Toolbox Combo – 48 Gallon
- Features: RDS Transfer Fuel Tank & Toolbox Combo, DOT Approved to Transport Diesel Fuel, Gasoline, or Aviation Fuel.
- Best for: Medium-duty users needing combined fuel storage and toolbox in a single unit.
- Why selected: Solid aluminum construction with integrated toolbox, simplifying installation and maintenance.
- Caution: Ensure compatibility with your vehicle mounting points and frame dimensions before purchase.
RDS Fuel Transfer Tank/Toolbox Combo w/15 GPM Pump – 70-Gal. Cap
- Features: 15 GPM pump, 70-gallon capacity, dedicated toolbox integration.
- Best for: Users who need fast fuel transfer on-site with secure storage.
- Why selected: High-capacity system plus pump streamlines refueling operations and keeps tools organized.
- Caution: Heavier setup; check vehicle carrying capacity and mounting hardware.
Dee Zee DZ92740B (43 gallon) Black Aluminum Combo
- Features: Includes tank and toolbox assembly with aluminum construction.
- Best for: Buyers seeking a balanced, mid-sized combo with corrosion resistance.
- Why selected: Reliable brand with a compact footprint for smaller trucks or tight spaces.
- Caution: Package weight is substantial; ensure proper mounting and support structure.
TrailFX L-Shape 75 Gallon Tank
- Features: L-Shape design for optimized truck bed use; 75 gallons capacity.
- Best for: Vehicles needing maximum tank volume without compromising toolbox space.
- Why selected: Diamond plate aluminum provides durability with substantial storage potential.
- Caution: Not suitable for all liquids; follow product specifications for compatible fluids.
RDS, 51 Gal Auxiliary Aluminum Combo 72747
- Features: Auxiliary diesel fuel tank with toolbox; rectangular shape for compatibility with various trucks.
- Best for: Users who need extra fuel storage plus toolbox in a compact secondary unit.
- Why selected: Good balance of volume and modular design for additional storage needs.
- Caution: Auxiliary tank use may require extra mounting hardware and attention to fuel compatibility.
Buying Guide: Key Considerations For Diamond Plate Fuel Tanks And Toolboxes
- Capacity versus space: Higher gallon ratings provide more fuel, but require more bed or chassis room. Measure your vehicle’s bed dimensions and compare with product footprints.
- Material durability: Diamond plate aluminum offers corrosion resistance and lighter weight than steel, which benefits fuel efficiency and handling. Consider coatings and seal integrity for long-term use.
- Intended liquids: Some units are designed specifically for diesel or aviation fuels; others can handle gasoline. Verify compatibility with your intended fuels before buying.
- Integrated toolbox benefits: A built-in toolbox saves space and improves organization. Check locking mechanisms and weather sealing to protect contents.
- Mounting and compatibility: Ensure the mounting pattern, bed width, and frame clearance fit your vehicle. Heavier models may require reinforced mounting points.
- Pump and transfer features: Pumps (like 15 GPM) speed up refueling but add moving parts. Consider maintenance needs and installation requirements.
- Ventilation and safety: Look for proper venting and anti-spill features. Follow local regulations for transporting fuels in cargo spaces.
Frequently Asked Questions
- What is the advantage of diamond plate aluminum for fuel tanks?
- Can I use these tanks for all truck bed sizes?
- Do these combos include mounting hardware?
- Are these units suitable for high-capacity fuel storage on job sites?
- Should I choose a pump-equipped model?
- What maintenance is required for aluminum tanks?
Diamond plate aluminum combines durability with lighter weight and strong corrosion resistance, improving fuel efficiency and longevity.
Most models have specific footprint dimensions. Confirm bed width, length, and mounting clearance before purchasing.
Some listings include hardware; others specify as separate. Check product descriptions and packaging contents.
Yes, several models offer 50–75 gallon capacities, balancing storage with vehicle payload constraints.
Pumps speed refueling on-site, but they add complexity. Choose based on how often you refuel away from a power source.
Regular inspection for leaks, seals, and hardware integrity is recommended. Clean any debris from caps and vent areas.