6 Best Metal Jerry Cans For Auxiliary Fuel Storage For Trucks

Running dry miles from the nearest pump is a rite of passage that loses its charm the moment the engine sputters. Carrying auxiliary fuel isn’t just about extending range; it’s about securing the autonomy required to explore truly remote stretches of trail. Choosing the right steel jerry can ensures that precious fuel remains secure, sealed, and ready for when the needle dips toward empty.

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Wavian Authentic NATO Steel Jerry Can: Top Pick

The Wavian NATO steel jerry can represents the gold standard for those who prioritize durability above all else. Engineered to meet strict military specifications, these cans feature a thick-gauge steel construction and an interior lining that prevents internal rusting. The distinct three-handle design allows for easy handling or two-person transport, which is invaluable when maneuvering a full 20-liter load across uneven terrain.

When reliability is the only metric that matters, the Wavian is the definitive choice. Its precision-engineered locking mechanism ensures a hermetic seal that prevents fuel vapors from escaping, even under extreme vibration or thermal expansion. This is the container for long-distance expedition travelers who need a bulletproof solution that will likely outlive the vehicle itself.

If the goal is to buy once and never worry about fuel integrity, look no further. While the price point sits higher than generic alternatives, the peace of mind offered by a genuine, leak-proof NATO seal makes this a high-value investment. For serious off-road builds, it is the benchmark against which all other cans are measured.

Midwest Can Company Metal Gas Can: Best Budget

Not every adventure requires a mil-spec grade container, and that is where the Midwest Can Company metal can enters the fold. These units provide a functional, cost-effective alternative for enthusiasts who need auxiliary fuel for shorter trips or light-duty use. They utilize a standard steel construction that holds up well to occasional handling and basic storage needs.

The primary benefit here is accessibility; it is a straightforward piece of equipment that gets the job done without complex mechanisms. While it may lack the ruggedized internal coatings of premium military cans, it is perfectly suited for weekend warriors who store their fuel in a sheltered truck bed. It serves as a sensible entry point for those just beginning to expand their vehicle’s range.

This option is recommended for casual campers or those who only need extra fuel for seasonal excursions. If the vehicle is primarily used on maintained forest service roads rather than extreme rock crawling, this can provides sufficient protection at a fraction of the cost. It is an honest piece of gear for practical, moderate use cases.

Gelg 20L Metal Jerry Can: Best Classic Design

The Gelg 20L can pays homage to the timeless, functional design of the classic jerry can while maintaining modern manufacturing standards. With a focus on the traditional pressed-steel architecture, it offers a robust structure that resists impact damage effectively. Its classic silhouette makes it highly compatible with almost every universal jerry can mount currently available on the market.

This can is the ideal choice for purists who value the tried-and-true ergonomics of the original NATO design. The weight distribution is excellent, and the locking pin mechanism is both intuitive and secure. It offers a balanced experience for those who want a blend of heritage aesthetics and modern fuel safety compliance.

Expect this can to perform reliably during extended overlanding trips where the equipment will be subjected to constant exposure. It bridges the gap between boutique, high-end containers and economy options, providing a sturdy, dependable vessel. For anyone building a classic overland rig, the Gelg is a perfect fit.

Smittybilt 2798 Jerry Can: Great Off-Road Value

Smittybilt is synonymous with the off-road industry, and their 2798 jerry can is designed specifically for the rigors of trail life. It features a heavy-duty steel body coated in a high-quality powder finish that resists scratches and corrosion from trail debris. The integrated handle system is designed for ease of use while wearing gloves, a detail often overlooked by competitors.

This is the go-to for enthusiasts who treat their vehicle as a tool for intense exploration. It is built to withstand being lashed to the back of a Jeep or truck rack where it will face constant vibration, UV exposure, and potential impact from branches or rocks. It is essentially a workhorse that isn’t meant to be handled with kid gloves.

If the planned itinerary involves miles of washboard roads or technical trails, the Smittybilt 2798 is an ideal companion. Its pricing is aggressive, offering a level of ruggedness that rivals more expensive units. It is an excellent selection for those who need reliable, high-frequency use gear without the premium brand mark-up.

Rugged Ridge 5-Gallon Steel Gas Can: Tough Build

Rugged Ridge focuses on structural integrity, and this 5-gallon steel can reflects that commitment with thick steel walls and a reinforced base. The design is meant to minimize deformation even when the can is full and subjected to the intense heat cycles typical of desert environments. It is a sturdy, no-nonsense container designed for hard use.

The standout feature is the durability of the exterior coating and the tight-fitting gasket seal. In situations where dust and water intrusion must be kept out of the fuel supply, this can excels. It provides a sense of security when traveling through remote, arid regions where fuel quality and availability are unpredictable.

This is a smart choice for the high-mileage adventurer. If the truck bed is the primary storage location and the can will face frequent loading and unloading, the Rugged Ridge offers the necessary structural fortitude. It is a reliable piece of hardware for those who prioritize toughness above all else.

Atlantic British NATO Jerry Can: Best Leak-Proof

Atlantic British is known for sourcing high-quality gear, and their NATO-style jerry can is an exercise in engineering precision. The hallmark of this can is its exceptionally tight seal, designed to meet rigorous standards that prevent even the smallest amount of fuel seepage. For those concerned about the smell of gas or the mess of minor leaks in an enclosed storage space, this is the solution.

The internal construction is equally impressive, featuring a durable lining that protects the steel from degradation caused by fuel additives. This makes it an excellent choice for long-term storage where fuel might sit for weeks or months between trips. The handle configuration is also optimized for quick, secure lashing to vehicle mounts.

This can is highly recommended for users who travel in sensitive environments where a fuel leak would be catastrophic or for those who simply refuse to tolerate the scent of hydrocarbons. It is a premium product that justifies its cost through superior engineering. For the meticulous traveler who values cleanliness and precision, this is the best option available.

How to Securely Mount Jerry Cans to Your Truck

Mounting a heavy, metal fuel can is not a place for compromise. Always utilize a purpose-built steel cradle that supports the base of the can and features a high-tension latch to keep the top secure. Never use simple bungee cords or nylon webbing alone; metal on metal contact over thousands of miles will eventually wear through restraints and lead to a potentially dangerous spill.

Ensure the mounting hardware is bolted directly to the frame or a structural member of the truck bed or rack. Vibration is the enemy of fuel containers, so installing heavy-duty rubber spacers between the bracket and the truck can absorb trail harmonics. A secure mount should exhibit zero play when yanked firmly by hand.

When placing your cans, consider the center of gravity and proximity to heat sources like the exhaust system. Ideally, mount them in a ventilated area, away from direct exhaust heat and protected from low-hanging obstacles. A low, forward mounting position is often safer for vehicle stability compared to high, rear-mounted positions.

Venting and Safety Tips for Metal Fuel Containers

Metal jerry cans are pressurized vessels, and they must be vented correctly to prevent structural damage or dangerous fuel spray during opening. Always release the pressure slowly by cracking the nozzle or cap slightly before attempting to pour. Never attempt to pour fuel in a confined space where vapors can accumulate to volatile concentrations.

Safety protocols begin with the environment; always fill your cans on the ground, not in the truck bed, to prevent static electricity discharge. Ensure the can is grounded during the filling process, and never overfill beyond the recommended expansion line. Leaving a small air gap is critical to allow for fuel expansion as temperatures rise throughout the day.

Finally, keep a dedicated nozzle—specifically one that fits your can model—stored in a separate, sealed container. Using a funnel or nozzle that has been exposed to dirt and grime in the field can contaminate your fuel supply, leading to clogged fuel injectors later. Maintaining cleanliness is just as important as maintaining the container itself.

Preventing Internal Rust in Your Steel Jerry Cans

Even the highest quality steel can eventually succumb to rust if not cared for properly, especially in humid or coastal climates. The most effective way to prevent oxidation is to keep the cans as full as possible during storage, which minimizes the amount of air inside the container. Less air means less moisture, and less moisture means significantly less internal corrosion.

If a can must be stored empty for an extended period, treat the interior with a light coating of fuel stabilizer or a dedicated internal tank sealer. Ensure the seal is airtight when the can is not in use to prevent the entry of atmospheric moisture. Always inspect the interior using a flashlight for signs of flaking or orange dust before every major trip.

Avoid using water to clean the inside of your metal cans, as moisture is the primary catalyst for rust. If cleaning is necessary, use a small amount of clean fuel to rinse the interior and then allow it to dry completely in the sun before sealing it back up. Proper maintenance ensures that your fuel remains pure and free of debris that could compromise your engine’s performance.

CARB Compliance and Legal Rules for Fuel Storage

Understanding CARB (California Air Resources Board) compliance is essential for those traveling across the United States. While many standard NATO-style steel cans are preferred for their durability, they must meet local and state regulations regarding vapor recovery systems. Always check the specific laws of the states you plan to traverse, as some regions strictly prohibit the sale or use of fuel containers that lack specific safety nozzles or vapor-sealing mechanisms.

Beyond regional compliance, federal regulations govern the transport of hazardous materials on public roads. Ensure your containers are clearly labeled as fuel and are mounted according to local fire safety codes. Using “off-road use only” containers on public highways can result in fines and, more importantly, safety issues if the containers are not tested for road-going impact resilience.

When purchasing, verify if the manufacturer specifies their cans as compliant for use on public roads. If the goal is long-term, cross-country travel, prioritizing CARB-compliant or equivalent safety-certified containers can save significant headaches at borders and checkpoints. Always keep documentation of your equipment’s compliance ready if traveling through areas with strict environmental oversight.

Selecting the right metal jerry can is a fundamental step in outfitting your truck for reliable, remote-area travel. By balancing durability, seal integrity, and proper mounting, you provide yourself with the ultimate insurance policy against the uncertainty of the trail. Choose equipment that matches the rigor of your destination, and focus on the freedom that comes with knowing you have enough fuel to get there and back again.