Truck Mount Fuel Tanks: What Are They?

what is a truck mount fuel tank

Truck-mounted fuel tanks are a great way to store and transport fuel. They come in a variety of shapes and sizes and can be made from different materials, such as steel or aluminium. They are typically used to refuel vehicles, equipment, and generators and can be a convenient way to save time and money. Truck-mounted fuel tanks can also improve the efficiency of businesses, especially in lawn care, by reducing the number of trips to the gas station and providing a safe and secure way to store fuel. However, there are important safety considerations to keep in mind, such as ensuring the tank is properly installed and grounded to prevent static sparks and fuel spills.

Characteristics Values
Definition A truck mount fuel tank is a portable fuel tank that dispenses fuel using a fuel pump.
Uses Truck mount fuel tanks are used for refueling, especially in remote areas with limited access to fuel, and for traveling long distances.
Benefits Truck mount fuel tanks improve efficiency by eliminating the need for midday gas runs and providing a safe storage option for fuel. They also prevent fuel spills and reduce trips to the gas station.
Types Fuel tanks can be made of steel or aluminum.
Capacity Fuel tanks can hold anywhere from 20 to over 100 gallons of fuel.
Mounting Options Fuel tanks can be mounted inside the truck bed, on a trailer, or between the frame rails of a trailer.
Regulations Fuel tanks must be clearly marked with the manufacturer's name, manufacture date, gallon size, and FMCSA compliance. Tanks carrying certain products exceeding 119 gallons require a Haz Mat placard and endorsement.
Customization Tank brands offer custom options like additional storage compartments and specialty finishes.

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Safety considerations

Safety is a key concern when it comes to truck-mounted fuel tanks. While they can be a great investment, improving efficiency and saving time, there are several safety considerations to keep in mind.

Firstly, fuel tanks must adhere to certain regulations. They must be clearly and permanently marked with the manufacturer's name, manufacture date, gallon size, and a statement indicating compliance with FMCSA requirements for non-side-mounted fuel tanks, as well as a warning not to exceed 95% of capacity. Additionally, the fuel connections from the auxiliary tank to the primary system should not interfere with the normal functions of the primary system, and the auxiliary tank's lines, fittings, valves, and connections should be of a size equal to or larger than the primary system to ensure adequate fuel flow.

Secondly, the risk of puncturing the tank is a concern. Good quality transfer tanks are designed to be difficult to pierce, but it is still a possibility, especially when working with equipment that could cause damage.

Thirdly, fuel tanks should be equipped with a non-spill air vent, such as a ball check valve, to prevent fuel spillage in the event of accidental tipping or overfilling. This can be combined with the fill-pipe cap or safety vent to ensure that any venting does not result in fuel loss.

Furthermore, the grounding of the fuel tank is an important consideration. Proper grounding can help prevent sparks and static electricity build-up, reducing the risk of fires and explosions. This includes ensuring proper grounding of the gas tank to the airframe and the grounding cable to the engine mount or another appropriate location.

Lastly, regulatory compliance is crucial. Depending on the tank's capacity and the type of fuel it carries, different rules and endorsements may apply. For example, in the US, if a tank contains certain products and exceeds 119 gallons, a Haz Mat placard and endorsement are required. Similarly, DOT-approved tanks may be necessary, and it is important to be aware of any state-specific regulations, such as those in Alaska.

Overall, while truck-mounted fuel tanks offer benefits, safety must be a top priority. Proper installation, adherence to regulations, and careful consideration of potential risks are essential to mitigate hazards and ensure a safe operation.

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Pros and cons

Pros

Truck-mounted fuel tanks offer increased productivity by minimising downtime spent refuelling. This is especially useful for businesses involved in construction, agriculture, or other industries requiring heavy equipment. They are also valuable during emergencies or natural disasters when access to fuel may be limited.

Mounted fuel tanks also offer versatility, as they can transport multiple types of fuel, including gasoline, diesel, kerosene, ethanol, methanol, and aviation fuel. This allows for a wide range of applications and uses. Additionally, they provide cost savings by enabling the purchase of fuel in bulk or in regions with lower prices, leading to significant cost savings over time.

Truck-mounted fuel tanks also eliminate the need for daily trips to the gas station, saving time and money. They also reduce the risk of spilling fuel, which can occur with 5-gallon containers.

Cons

One of the main concerns with truck-mounted fuel tanks is the risk of puncturing the tank with equipment. While good transfer tanks are designed to be difficult to pierce, it is still a possibility. Additionally, there may be a loss of bed space in the truck due to the size of the tank, and the addition of weight to the vehicle.

Another consideration is the initial cost of purchasing and installing a truck-mounted fuel tank, which can be significant. There may also be regulatory requirements, such as obtaining a DOT permit to carry gas in the transfer tank.

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Fuel tank regulations

The FMCSA, for instance, mandates that fuel tanks be clearly and permanently marked with specific information, including the manufacturer's name, manufacture date, gallon size, and a statement indicating compliance with FMCSA requirements for non-side-mounted fuel tanks. The label must also include a warning not to exceed 95% of the tank's capacity. Additionally, the fuel connections from the auxiliary fuel tank to the primary system must not interfere with the normal functions of the primary system, and all valves, lines, fittings, and connections must be of a size equal to or larger than those of the primary system to ensure unrestricted fuel flow.

The DOT also plays a crucial role in regulating fuel systems. Transfer Flow, a manufacturer of aftermarket fuel tank systems, emphasizes the importance of complying with DOT regulations. Their refueling tanks, for instance, must be accompanied by a DOT Special Permit and attended to by a qualified person during loading and unloading. However, the legality of gravity-fed systems remains ambiguous due to conflicting DOT regulations. While some believe that gravity feed fuel systems can adversely affect vehicle performance and violate US DOT regulation 49 CFR 393.67, others argue that these systems help meet stringent emissions requirements by utilizing active Diesel Particulate Filters (DPF).

In terms of physical installation, fuel tanks are typically mounted near the head gate in a pickup box, flatbed, or utility box. This location is considered the safest and most recommended by manufacturers. However, some users opt for alternative mounting locations, such as trailers, to free up space in the pickup bed. Regardless of the mounting location, safety must be a top priority to prevent hazardous conditions and comply with regulations like the 1990 Clean Air Act, which prohibits uncontrolled fuel discharge.

Furthermore, certain products and fuel types require additional considerations. For example, gasoline and other flammable liquids mandate a Haz Mat placard and appropriate endorsement if they exceed a certain volume, as per DOT regulations. Diesel fuel systems also include a rollover valve, which prevents fuel leakage in the event of a rollover accident. This valve is designed to close when the fuel level reaches a certain height, meeting the "safety venting" requirements outlined in 49 CFR 393.67(8).

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Refuelling equipment

There are a variety of fuel tanks available in the market, including steel and aluminium tanks, with capacities ranging from 36 to 109 gallons. For instance, Transfer Flow, Inc. offers an 82-gallon refueling tank system that fits in a short bed pickup truck, and a 100-gallon L-shaped refueling tank that fits under most over-the-rail toolbox configurations.

When it comes to pumps, it is recommended to get a sturdy one with a warranty. For instance, one user recommends the M150E pump from Great Plains Industries, which comes with a one-year warranty. Another popular option is the Fill Rite pump, which has been used to pump thousands of gallons of gas without any issues.

Hoses are another important component of the refuelling equipment. It is recommended to get a hose with a steel wire grounding braid that is long enough for your setup. Additionally, fuel filters can be used to ensure that the fuel is free of contaminants.

Finally, the refuelling equipment should also include a nozzle for dispensing the fuel, as well as a fuel cap to prevent spills and evaporation. Some systems, like the one offered by Transfer Flow, Inc., also include a wire harness with a dash-mounted power switch and installation hardware, making it easy to set up and use.

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Tank materials

Truck mount fuel tanks are available in a variety of materials, each with its own advantages and considerations. Here are some commonly used materials for truck mount fuel tanks:

Steel

Steel is a durable and robust material for fuel tanks. Its strength makes it suitable for holding large volumes of fuel. Steel tanks are often chosen for their long-term durability and are available in various sizes and shapes, such as rectangular or L-shaped. Steel tanks are commonly seen in capacities of 36 gallons, 74 gallons, and even up to 100 gallons.

Aluminum

Aluminum is another popular choice for truck mount fuel tanks. It is known for its lightweight properties, making it a preferred option when weight is a critical factor. Aluminum tanks are often used in aviation and automotive applications. They are available in various sizes, including 40-gallon, 51-gallon, and 100-gallon capacities. Aluminum tanks are also sought after in the used market, with some users opting to purchase them from truck salvage yards.

Steel-Aluminum Combo

Some fuel tanks combine steel and aluminum to leverage the benefits of both materials. These tanks offer durability and lightweight characteristics, making them a versatile option. Steel-aluminum combo tanks are available in various sizes, including 75-gallon and 100-gallon capacities, catering to different user needs.

Plastic

While less commonly mentioned, plastic fuel tanks do exist. Plastic, as a material, can offer advantages such as corrosion resistance and lightweight properties. However, the durability and longevity of plastic tanks may differ compared to metal tanks.

The choice of material depends on factors such as the intended use, weight considerations, fuel type, and personal preferences. It is essential to consider factors like durability, weight, and compatibility with the type of fuel when selecting a truck mount fuel tank material.

Frequently asked questions

A truck-mounted fuel tank is a portable fuel tank that is mounted and secured inside the truck bed or on a trailer. They can be used to store and dispense multiple types of fuel, including gasoline, diesel, kerosene, and aviation fuel.

Truck-mounted fuel tanks offer several advantages over traditional 5-gallon fuel cans. They provide convenience and flexibility, especially when working in remote areas with limited access to fuel. They also help save time and money by reducing the number of trips to the gas station and allowing users to purchase fuel in bulk or in regions with lower prices. Additionally, they reduce the risk of spilling fuel and provide a safer option when properly installed.

When choosing a truck-mounted fuel tank, it is important to consider the size and capacity of the tank. Larger tanks will take up more space and affect the fuel economy of the truck. It is also crucial to ensure that the tank has the necessary permits or endorsements, especially if it will be used to carry gasoline or other hazardous materials. Safety is a major concern, so it is recommended to use a grounded pump or a retractable ground clamp to prevent static shocks during refueling.

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