best portable fuel tank for boats

5 Best Boat Gas Tanks 2020

Unless you own a large vessel with a built-in fuel tank, you will require a portable fuel tank that you can dismantle from the boat easily.

Below 15 gallons or less is deemed as portable due to the weight of the fuel inside of the tank.

The best boat fuel tank is the Moeller 630013LP 12 Gallon Tank, which comes with a mechanical sight gauge and 1/4 inch fuel pick up adapter.

Portable fuel tanks come in a range of sizes and designs in order to fit into tight spaces on boats.

Deciding the placement and taking measurements is highly advisable for the perfect fit because you may find it gets in the way otherwise.

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Best Portable Boat Fuel Tanks

Boat Fuel TanksCapacityOur Rating
Moeller A/D12 Gallons4.9
Five Oceans BC41293 Gallons4.8
Five Oceans BC33126 Gallons4.8
Attwood 8806LP26 Gallons4.8
Scepter Marine6 Gallons4.7

Every outboard motor needs fuel to run and that means a fuel tank that is not defective is essential.

You should expect at least 10 years of life from every fuel tank but cheap alternatives are known to crack from being left in the sun too long.

Along with the fuel tank, adapters, fuel lines and connectors may be required to get the fuel from the tank to the outboard.

The majority of adapters are universal and the new fuel tank you buy will more than likely be a direct replacement.

As the fuel tank will be in and out of the boat in order to refill it with fuel, it’s important that you are able to carry it.

For this reason, it is advised that all tanks are below 15 gallons unless you are incredibly strong.

Below is a list of the best boat fuel tanks that are easily portable for taking in and out of the boat.

Moeller A/D Portable Fuel Tank

the best portable fuel tank for boats

Moeller is a reputable brand and this fuel tank has the ability to hold 12 gallons of fuel and still be highly portable.

On the top, there is a mechanical direct sight gauge and it comes with a 1/4 inch fuel pick up an adapter.

In terms of the dimensions, this fuel tank is 23 inches long, 14 inches wide and 13 inches long, with the cap adding an extra 2 inches to the height.

There is a 90-degree fuel gauge withdrawal assembly that rotates 360 degrees to prevent kinks in the fuel line.

The construction of the fuel tank is a one-piece polyethylene with a self-venting pressure cap.

Overall, the Moeller A/D is the best portable fuel tank for boats and ticks every box.

It has a capacity of 12-gallon capacity but there are other larger capacities but these will be less portable and harder to take in and out of the boat.

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Five Oceans 3 Gallon Fuel Tank

the best boat fuel tank for small boats.

For smaller boats such as inflatable dinghies, there is no need to have a large boat fuel tank because they will be too big and you will not need that much fuel to run a small outboard motor that you are using.

In terms of the dimensions, this fuel tank is 14 inches length, 10 inches height, and 9 inches in height.

There is an excellent handle integrated into the construction, which makes carrying it around much easier.

This Five Oceans tank is the best boat fuel tank for small boats that need a fuel tank with a small footprint and enough fuel capacity to run for multiple hours.

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Five Oceans 6 Gallon Fuel Tank

a fuel tank for low profile construction boat.

The Five Oceans 6 Gallon Fuel Tank is a low-permeation tank that has a capacity of 6 gallons.

That is not the only difference in the 3-gallon alternative above, the design is low profile, which makes storing it in tight places much easier i.e. Underneath the seat or rear of the boat.

In terms of the dimension, it is 23 inches in length, 11.4 inches wide and 8.85 inches in its height.

At the top of the tank is an ergonomic handle and there is also an easy to read mechanical gauge included.

This fuel tank is perfect for the rear of the boat near the outboard where the low profile construction will reduce any height issues from inside the boat.

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Attwood EPA Certified Fuel Tank

best portable fuel tank for the average sized boat.

The Attwood 8806LP2 is an EPA certified portable boat fuel tank with an automotive-grade multi-layer construction that withstands the extra pressure from close fuel systems.

The cap has a built-in vacuum valve that prevents the need for manual venting, which is found in many cheaper alternatives.

The Attwood brand is reputable in the boating community for producing over-engineered marine products.

This 6-gallon fuel tank is an example of that and even though it is slightly expensive compared to the similar capacity alternatives, it is a worthwhile investment.

Overall, it is the best portable fuel tank for the average-sized boat and at 9.4 x 13.2 x 19.2 inches, it can be stored in a range of locations within the boat.

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Scepter Marine EPA Portable Fuel Tank

a good all rounder and is highly portable tank

The Scepter Marine EPA fuel tank is available in both 3 and 6-gallon capacities with the same designs.

The 6-gallon model is 19.3 inches long, 12.2 inches wide and 10.2 inches high with molded feet that provide an increase in ventilation.

This boat fuel tank accepts the standard 1/4 NPT marine tank fittings and is eco-checked. It also features a mechanical fuel tank gauge for real-time measurements of your fuel.

Overall, the Scepter Marine EPA fuel tank is a good all-rounder and is highly portable with the central handle.

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Portable Boat Fuel Tank Buying Guide

A boat fuel tank is not a luxury, it is an essential marine product required to store the fuel used in outboard motors.

This is fairly common sense but choosing the correct fuel tank for your boat is not as straight forward with a range of designs and sizes available.

The fuel tanks tend to crack, expand in size and go through various other defects.

This is usually due to old age, left in the sun and the manufacturer using cheap materials, which you should always try to avoid where possible.

Below are a few factors that you should consider before purchasing a boat fuel tank.


Unless you own a large vessel where the fuel tank is integrated into the boat or its placed underneath the floor, portability is the least of your worries.

However, for traveling on small boats or inflatable dinghies, a fuel tank is required to run the outboard.

Ensuring your fuel tank for your boat is portable is a big factor as taking it in and out of the boat can take quite a lot of effort.

A fuel tank full of petrol i.e. 12 gallons can be very heavy and with no handles, placing it back into the boat can be hard work.

Tank Capacity and Size

The fuel economy of your outboard motor will play a big part on how large of a tank you require.

For a fuel tank to remain portable, it cannot be too large because after all, 15 gallons of liquid are not lightweight and will be heavy.

On top of this, the larger capacity boat fuel tanks will be much bigger in size and this can be an issue for small boats without too much room spare.

Measuring floor space where you are able to place the fuel tank is vital so that you are not left red-faced when it does not fit.

Many boat fuel tank designs vary between manufacturers with some designed to be tall and other slim and long so that they can fit in a range of locations.

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