The High Capacity Fuel Tanks: Top Picks 2024

Katie Finn By, Katie Finn
Updated
Scepter USA 6792 Duramax 14 Gallon Flo-N-Go Fuel Caddy, Red
Image credit: Amazon.com

A strong and reliable fuel supply is critical to your engine’s performance. Regularly checking the condition of your vehicle’s fuel system, including the fuel tank and its seals, will keep your powerplant running smoothly. When you go longer between regular maintenance checks, it’s a good idea to have more storage capacity so you don’t run out of gas before you get there.

That’s high-capacity marine fuel tanks come in with variety of options with capacities ranging from 40 gallons to 20,000 gallons. These premium tanks are made from heavy-duty steel for lasting durability and are coated for rust resistance and easier cleaning. They all have a patented drain system that helps prevent build-up inside the tank when not in use. And because they're engineered to meet strict industry standards, these tanks can be quickly and easily installed by anyone who has basic mechanical skills.

After nearly 16 hours of research, we were able to come up with many top products from prominent brands like Scepter, Rds mfg inc, Twsoul, Lund, Amzoss, Tarkii, Johndow industries. Among them, Scepter USA 6792 Duramax 14 Gallon Flo-N-Go Fuel Caddy, Red seems to be the first product you can rely on. Alternatively, if you're simply looking for a good-looking option, you may go with Scepter.

Our article today focuses mainly on giving you guidelines and tips to be able to buy the right product that best suits your needs. Explore with us right here.

Our Top Picks

  • Ideal for industrial, commercial and recreational applications
  • Siphon based pump System. Hand pump allows you to eliminate spillage and overfills by stopping and restarting the flow of fuel when needed
  • 14 gallon portable fuel container
  • Molded from durable, high-density polyethylene
  • Wheeled for easy transportation, high density polypropelyne for dent, corrosion and rust resistance
TOP Choice #2 Scepter
Our Score:
9.6
Scepter
  • Ethanol and alcohol compliant
  • Molded from UV stabilized, high density polyethylene for long life
  • Automatic Air inflow valve/fuel cap System
  • 1/4 npt fuel pick-up/sight gauge accepts Standard marine tank fittings
  • RDS offers a full assortment of tanks in various capacities and dimensions to fit your needs
  • Gasoline auxiliary fueling is allowed, if siphoned from the top of the tank by using an electric fuel pump
  • The Fuel Tank is A Complete Assembly -- which includes a fuel connector with a fuel gauge and a fuel cap with an internal filter. The filter tank contains a strainer to filter the residue in the oil to make the oil more pure.
  • Boat Fuel Tank Large Capacity -- 3 gallon (12 L), diameter of tank opening is 1-1/2", size:14.1” (L) *10.2” (W)*7.87” (H), this is an outboard fuel tank that can be used for the outboard engines.
  • With An Oil Volume Indicator -- Helps you to clearly understand the changes in the oil tank and the remaining oil volume and replenish it in time. A filter is built into the air inlet of the fuel tank to ensure clean fuel.
  • The Fuel Tank Cover Has Two Designs -- which can be sealed and deflated, making it safer to use. Screw cap with vent on top, including fuel collection pipe and 1/4" NPT internal threaded fuel tank accessories, molded handle on top of fuel tank.
  • High Quality Material -- marine fuel tank, made of durable, light, high density polyethylene (will not chip, crack or rust), easy to carry, easy to store, safe and strong, suitable for gasoline.
  • Patented pump handle that looks just like the ones you use at the gas station. It features a child lock for added safety and it has a flow rate of 2 gallons per minute in the siphon mode
  • Duramax 14 gallon fuel tank on wheels, ideal for farm and rural use as well as marine and recreational use
  • 10 foot hose is automotive grade rubber. And the caddy comes equipped with a hose hanger for easy storage
  • Sturdy wheels making it easy to transport and you can take it to go anywhere
  • Features 2 brass shut off valves one at the tank and one at the hose. This allows for easy disconnect with no fuel spillage
  • 50-gallon rectangular liquid storage tank made of 14-gauge steel with a black finish
  • Measures 60-inches (L) x 18-inches (W) x 12-inches (H)
  • Not intended for transferring gasoline or other flammables and should be not be used as an auxiliary fuel tank
  • Comes with a limited lifetime warranty that protects against defects in materials and workmanship
  • Recommended for construction and agricultural use and designed to accommodate LUND's full-size cross bed boxes
  • 【Satisfactory Service】: Once orders are placed, US local stock and shipping via FedEx/ USPS; only takes 3-7 business days; If you have any problems, feel free to contact us for help.
  • 【High-quality】: Made out of premium steel material, leak proof, safety lock on spout, anti-corrosive, coating on inside and outside. Provide you with security assurance for EPA and CARB Approved.
  • 【High Quality Cold-rolled Plate】: This Fuel Can is constructed with a premium cold rolled steel body and neat welded seal seams, which ensure its good durability and reliability.
  • 【Labor-saving Carrying Handle】: The gas can comes with 3 handles, can be held by two persons to save labor when you lift the tank. perfect for the rugged off-road as the emergency backup cans.
  • 【Lightweight & Convenient to Carry】: Each has a compact size 13.78" x 6.5" x 17.91" and only weighs 6.6 lbs when empty, which doesn?t take up too much space and is easy to store.
  • Material: Making of high-quality PE. Durable, impact-resistant, with lighter weight and stronger security, seamless barrel body, will not leak.
  • Dimension: 16.1” x12.5” x3.3”(for single one)
  • Design highlights: Two 2-gallon fuel containers can be combined be together. More convenient and easy to hand. Save the space and make them looks more beautiful.
  • Capacity: Maximum 7.5L/2 Gallon.
  • With built-in fuel pipe. Can be easily insert into the tank opening to use and save the area. With discouraged holes designed to prevent backflow of negative pressure generated to save more time and effort.
  • Material: Making of high-quality PE. Durable, impact-resistant, with lighter weight and stronger security, seamless barrel body, will not leak.
  • Dimension: 16.1” x12.5” x3.3”(for single one)
  • Capacity: Maximum 7.5L/2 Gallon.
  • With built-in fuel pipe. Can be easily insert into the tank opening to use and save the area. With discouraged holes designed to prevent backflow of negative pressure generated to save more time and effort.
  • Design highlights: Two 2-gallon fuel containers can be combined be together. More convenient and easy to hand. Save the space and make them looks more beautiful.
  • Fit type: Universal Fit
  • Equipped with protective and lockable cover
  • Integrated forklift pockets for moving the tank when full
  • Rugged linear polyethylene construction
  • Integrated recesses are provided for securing tanks with ratchet straps during transport

What to Look For in a high capacity fuel tanks?

The high capacity fuel tanks is influenced by a multitude of factors, including all those stated below. Depending on the sort of product, the learning process differs. We'll be ready to aid you and propose solutions since we're here to support you.

It's necessary to remember the following ones before selecting high capacity fuel tanks:

Storage

To avoid any contamination and tampering, it would also be a good idea to know how to properly store gas tanks when you are boating.
You should be aware of the tank's unique design and structure. This design conforms to the safety regulations of tanks

ABYC/NMMA Requirements

It is important that all boat fuel tanks comply with the safety standards of the marine industry because of their potential danger. This product is governed by the American Boat and Yacht Council and the National Marine Manufacturers Association.
The NMMA Type Fuel System certifications must be met in all aspects of fuel tank design, performance, and installation. It is necessary to make sure your boating experience stays safe and enjoyable.

Design And Safety

Look for a can that is equipped with safety features, such as no spill spouts. These are designed to reduce the chance of an accidental spillage. Some gas cans have a trigger release button, or release control button in the spout. This controls gasoline flow and shuts off automatically once your finger is removed. Make sure the spout of your can is large or small enough to fit in with any machine that you use to fill it. To reduce spillage, make sure your can has a built in spout.

Color

Design is important for many people. We will disappoint you. Red is the most common color for tanks. They are visible to avoid them going overboard.

Size & Shape

You must consider the dimensions of your boat. To support a larger outboard motor, you will need a fuel tank that holds 15 or 20 gallons. A 3-gallon fuel container is a good option for smaller boats that don't use as much fuel.
Based on the size of your boat and its capacity, you will have to decide what shape and size will be best for your needs.

Venting

All of these tanks will cause swelling. The EPA has changed regulations to ban the use of portable gas tanks for venting. The newer, portable outboard boat fuel tanks will not vent below 5 PSI. There will be noticeable swelling. Because the fuel tank will expand, many people believe that the cap or tank is damaged. This swelling can be caused by fuel vapor buildup, so the new caps need to stay sealed at 5 PSI. These new fuel tanks are safe and secure, even in the face of swelling and pressure.

Materials

There are many types of portable fuel tank, and each one is made from different materials. You will need to decide between the different types. Compare their benefits and drawbacks before you make your final decision.

Portability

Portability is important as you will need to transport the tank around the boat. It shouldn't weigh too much or be difficult to transport. A handle on the tank makes it easier to carry.

Fuel Capacity

The amount of fuel that your motor consumes on a daily basis is another important aspect. The amount of deck space is also important. You might need a narrower fuel tank if your boat has limited space. There are many fuel tanks to choose from, and each one is different.

FAQs

How Long Do Plastic Boat Fuel Tanks Last?

It's not something most boat owners will have to decide on unless they plan to keep the boat or buy an older boat to repair. If properly maintained and installed, most fuel tanks can last 15 to 20 years.

How And Where Do I Store The Fuel Tank?

To prevent accidents and leakages, marine fuel tanks must be placed on their bottoms. It's also a smart idea to secure the tank so it doesn't move.

How Do You Carry More Fuel On A Boat?

This is done by keeping several fuel tanks with you onboard. These tanks can be quite heavy and take up a lot of space. A full tank may also be very heavy, which can impact your boat's performance.

Is It Safe To Keep A Full Fuel Tank On A Boat?

Because of their safety features and construction, it is perfectly safe for outboard fuel tanks to be kept on boats. We recommend that the fuel tank be filled to at least 90%. Gas expands, and can cause damage.

What Should You Do When Fueling An Outboard Boat With A Portable Tank?

To ensure smooth ground, always refill portable fuel containers at the dock or pavement. It can be time-consuming to fuel your boat using a portable container. Make sure you have the container that is easy to hold, balance, and carry.

How Long Does A Boat Fuel Tank Last?

To prevent accidents and leakages, marine fuel tanks must be placed on their bottoms. It's also a smart idea to secure the tank so it doesn't move.

Where Should I Store Gas Cans In My Home?

Gas cans should not be kept in your house. The gas cans pose a danger to your health and are a fire hazard. You can store gas in an outside shed with a leakproof cover that is suitable for storage if you are determined to keep it on hand. Although it is not ideal, it is better than keeping gas in your home. Be careful about safety. Keep it away from pets and children, and out of reach of power tools and anything that might spark a fire.

How Does Water Get In The Boat Gas Tank?

Condensation is the most popular way water can get inside tanks. The temperature differences can cause the water vapor in the tank to condense on walls. The engine can be damaged if there is too much water in the tank.

What Is A Boat Fuel Tank?

Boat fuel tanks are specially designed containers that hold and supply fuel for your outboard engine. There are two types of aluminum tanks: permanent tanks that can be installed under deck or portable ones.

Overall, we will research and update new info for the list of high capacity fuel tanks regularly. On a frequent basis, please check our websites for the latest changes and updates.

Aside from high capacity fuel tanks, we can bail you up. If you want further support, please do not hesitate to contact us.


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About Katie Finn

Katie Finn

Katie Finn is a freelance writer who loves to explore the world and go camping. She's also an editor for CampfireHQ, where she enjoys writing about wildlife and camping tips. She also has a passion for reading and learning new things, which she often incorporates into her writing.

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