Product Description
Tank Chest Combo Fuel Tank Toolbox: Fuel Storage and Tool Access in One Unit. Made in the USA by AMERICAN TRUCKBOXES ATB®️
The A-TT51 is a heavy-duty aluminum tank chest combo fuel tank toolbox built for contractors and fleet operators who need reliable fuel capacity and tool storage on the same truck. Available in 45, 58, or 68 gallon sizes, it mounts chest-style in a standard truck bed or on a flatbed. American Truckboxes LLC manufactures the A-TT51 in Blanchard, North Dakota to the same standards they have held for over 25 years. Suitable for diesel, water, oil, and biofuels — not approved for gasoline.
- Dual-purpose design: Combines an aluminum toolbox chest with an auxiliary fuel tank so you carry fuel and tools on one unit.
- Heavy-duty aluminum construction: Corrosion-resistant aluminum throughout for long service life under hard working conditions.
- Top connection ports: Two 2" top connections for primary fill and vent access.
- Side connection ports: One 1-1/2" and one 3/8" side connections for transfer pumps or gauges.
- Gas-spring assisted lid: Top-open single lid stays open hands-free via gas springs while you work.
- Lift-handle lock system: Keeps the lid secured against road vibration and unauthorized access.
- Mounting brackets included: Side and front brackets for secure installation in a truck bed or on a flatbed.
- All Smooth finish: Clean, consistent exterior across the full box surface.
- ATB Secure & Trusted Design: Built to ATB®️ standards for structural integrity and long-term field performance.
Dimensions range from H 19–20", D 17–24", W 58" across the three available sizes. Standard boxes carry a 60-month (5-year) limited warranty; custom or modified boxes and auxiliary fuel tanks carry a 12-month limited warranty. American Truckboxes LLC has been manufacturing Made in USA truck equipment for over 25 years. Contact ATB®️ at truckbox.com or call (888) 996-0376 for fleet pricing or custom sizing.
Frequently Asked Questions
Q: Where is this tank chest combo toolbox made?
A: The A-TT51 is made in the USA by American Truckboxes LLC, headquartered in Blanchard, North Dakota. ATB®️ has been manufacturing heavy-duty truck equipment domestically for over 25 years. You can learn more at truckbox.com.
Q: What warranty comes with this toolbox?
A: Standard A-TT51 boxes carry a 60-month (5-year) limited warranty. Custom or modified boxes and auxiliary fuel tanks are covered by a 12-month limited warranty. The warranty applies to the original purchaser only and is non-transferable. Contact American Truckboxes at truckbox.com or (888) 996-0376 for full warranty terms.
Q: Can I order a custom size?
A: Yes, custom sizing is available on the A-TT51 tank chest combo fuel tank toolbox through American Truckboxes ATB®️. Custom and modified boxes carry a 12-month limited warranty. Reach the ATB®️ team at truckbox.com or (888) 996-0376 to discuss your requirements.
Q: Is this tank toolbox safe for gasoline?
A: No. The A-TT51 is not approved for gasoline storage. It is designed for diesel fuel, water, oil, or biofuels only. Using this tank with gasoline creates a fire and safety hazard and is outside the intended design parameters of this product.
Q: What fuels can be stored in the A-TT51 tank toolbox?
A: The A-TT51 aluminum fuel tank toolbox combo is rated for diesel, water, oil, and biofuels. Gasoline is not permitted in this tank. If you have questions about compatibility with a specific fluid, contact ATB®️ at (888) 996-0376 before filling.
Q: What connection sizes does the A-TT51 tank come with?
A: The A-TT51 includes two 2" top connections for primary fill and vent access, plus one 1-1/2" and one 3/8" side connections for plumbing transfer pumps, gauges, or secondary lines. These standard port sizes work with widely available fittings and pump hardware used in fleet and field service applications.
Q: How does the lid open on this tank chest toolbox?
A: The A-TT51 features a top-open single lid supported by gas springs, so the lid stays open on its own while you access tools or connections. A lift-handle lock system secures the lid closed during transport and keeps it from vibrating open on rough roads or job sites.