Mounting Fuel Tanks: Car Hauler Edition

how to mound fuel tanks on car haulers

When it comes to mounting fuel tanks on car haulers, there are a few options to consider. One popular method is to use an auxiliary fuel tank, which can be installed in the bed of the pickup truck or mounted on a trailer. These tanks come in various sizes, typically ranging from 36 to 100 gallons, and offer the advantage of extended driving range and convenience. Some opt for mounting the tank directly to the truck bed using bolts, shims, and washers, while others prefer fabricating rails that bolt using the factory bed bolts for added strength. Safety is a key concern, especially with the weight and motion of a full tank, so proper clamping force and secure mounting are crucial to prevent accidents. For those with trailers, mounting the fuel tank underneath can be a practical solution, freeing up space in the truck bed for hauling other items.

Characteristics and Values

Characteristics Values
Fuel tank mounting methods Direct mounting into the tank, containment mounting with straps, drilling truck bed to mount fuel tank
Fuel tank capacity 22-100 gallons
Fuel tank material Steel, aluminium
Mounting hardware Nuts and bolts, washers, spacers, riv-nuts, rubber grommets, plastic sleeves, plastic washers
Considerations Safety, corrosion resistance, clamping force, weight/balance, tongue weight, protection from damage

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Using a trailer to mount the fuel tank

Using a trailer to mount a fuel tank is a delicate operation that requires careful planning and execution. Here are some important considerations and steps to follow:

Firstly, it is essential to understand the legal requirements and restrictions for mounting a fuel tank on a trailer. Regulations may vary depending on your location, so it is crucial to consult local authorities or relevant organizations to ensure compliance. This step will help you determine the permissible tank size, mounting methods, and any necessary safety precautions.

Next, select an appropriate trailer for mounting the fuel tank. Ensure the trailer is sturdy, well-maintained, and capable of handling the weight and dimensions of the fuel tank. Clean the trailer thoroughly before beginning the mounting process. Power washing is an effective method to remove dirt, debris, and any contaminants from the trailer's surface.

When preparing the fuel tank for mounting, it is crucial to prioritize safety. Ensure the tank is made from durable materials, such as aluminized steel, to withstand the elements and potential impacts during transportation. Inspect the tank for any dents or damage, as this can alter its capacity and integrity. Any issues should be addressed before mounting to minimize risks.

Now, let's discuss the mounting process. Securely fastening the fuel tank to the trailer is of utmost importance. Consider using high-strength nuts, bolts, and washers made from aluminum or other durable materials. Spacing the hardware appropriately and using washers or spacers can help distribute the load evenly and prevent damage to the tank or trailer bed. Ensure that the mounting legs of the tank are positioned correctly to provide stable support.

Additionally, consider using straps to secure the fuel tank to a solid surface on the trailer. This method provides stability and shock absorption during transport. Rubber isolators can also be used to minimize vibrations and reduce the risk of fuel tank damage.

Finally, once the fuel tank is securely mounted, conduct a thorough inspection. Check for any loose hardware, potential leaks, or damage to the tank or trailer. Address any issues promptly before declaring the setup ready for transport. Remember to comply with any regulations regarding placards or signage indicating the presence of a fuel tank.

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Pros and cons of mounting the tank in the truck bed

When considering mounting a fuel tank in the truck bed of your car hauler, there are several factors to take into account. Here are some pros and cons to help you make an informed decision:

Pros of mounting the tank in the truck bed:

  • Extended driving range: Auxiliary fuel tanks can provide an additional 37 to 100 gallons of fuel, allowing you to drive longer distances without needing to stop for refuelling. This is especially useful for long hauls, RVing, or off-roading adventures.
  • Convenience: With an auxiliary fuel tank, you gain the convenience of not having to stop as frequently for fuel. This can save you time and money, as you can drive further to find cheaper fuel prices.
  • Seamless integration: Auxiliary fuel tank systems are designed to seamlessly integrate with your pickup truck, providing a universal fit for most diesel trucks.
  • Reliability: The additional fuel capacity ensures that you won't run out of fuel on long trips or in remote areas, giving you peace of mind on the road.
  • Smooth fuel transfers: Modern auxiliary fuel tanks, such as those with a TRAX 4™ operating system, can ensure smooth and efficient fuel transfers without requiring any manual intervention.

Cons of mounting the tank in the truck bed:

  • Loss of bed space: Installing an auxiliary fuel tank in the truck bed will result in a significant loss of bed space. This can be a major drawback if you frequently use the truck bed for hauling equipment or gear.
  • Weight addition: The fuel tank will add a considerable amount of weight to your vehicle, especially when filled up. This additional weight can affect the performance and handling of your vehicle.
  • Cost: Auxiliary fuel tanks can be expensive, and the cost may not always be justifiable, especially when compared to alternative options like titan tanks or gravity feed systems.
  • Maintenance and repairs: There may be additional maintenance and repair costs associated with the fuel tank, such as fixing cracks or leaks that can occur over time.
  • Fuel transfer issues: In some cases, such as with gravity feed systems, the fuel transfer process can be slow, and you may encounter issues with the fuel not dropping or transferring properly.

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Using a donor vehicle's fuel tank

When using a donor vehicle's fuel tank, there are several important considerations and steps to keep in mind. Firstly, it is essential to check the compatibility of the donor tank with your specific car hauler setup. This includes ensuring that the tank's dimensions fit the allocated space in your car hauler and that the tank's capacity aligns with your fuel requirements.

If you're considering using a tank from a diesel truck, it is recommended to inspect it thoroughly for any signs of corrosion or pitting, especially under the straps. Aluminum tanks, in particular, can appear to be in good condition but may have hidden damage. Therefore, it's important to undo the straps and carefully examine the tank before proceeding.

Another crucial aspect is compliance with legal requirements. Depending on your location, there may be specific regulations governing the use of external fuel tanks, including size restrictions and the need for placards. For example, in some places, a tank exceeding 119 gallons requires a CDL and a tank endorsement. Additionally, regulations may differ between fuel cargo tanks and vehicle fuel tanks, and between gasoline and diesel fuel. Ensure that you are familiar with the applicable rules and guidelines to avoid any legal issues.

Once you have selected a suitable donor tank and ensured compliance with legal requirements, you can proceed with the installation process. This may involve modifying the tank to fit your car hauler's configuration and securely mounting it in place. Consider seeking professional assistance if you are unsure about the installation process, as improper installation can lead to safety hazards.

Lastly, don't forget to incorporate necessary safety measures, such as using weatherproof connections and incorporating a quick-release mechanism for easy tank removal. By following these steps and considerations, you can effectively utilize a donor vehicle's fuel tank for your car hauler, ensuring both functionality and compliance with relevant regulations.

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The importance of clamping force

When mounting fuel tanks on car haulers, it is important to consider the clamping force involved in the process. Clamping force is the force exerted by the clamped materials, such as the fuel tank and the mounting surface, on the bolts and nuts that hold them together. Optimizing the clamping force is crucial for several reasons:

Firstly, the clamping force directly affects the performance of the fuel tank. The contact, cooling, and bipolar plates within the fuel tank are clamped together. The difference in material properties between the adjoining layers, such as the GDL and bipolar plate, makes the interface sensitive to clamping pressure. By adjusting the clamping force, the thickness, porosity, and permeability of the GDL layer can be controlled, influencing the electrochemical performance of the fuel cell.

Secondly, clamping force plays a vital role in withstanding moment loads. When materials are bolted together, the clamping force resists external forces or moments by creating a fulcrum at the edge of the part and a counterforce with the bolt. This ensures that the fuel tank remains securely attached to the car hauler during transportation.

Additionally, the clamping force is essential for fuel efficiency. In systems with a continuous variable transmission (CVT), optimizing the clamping force in the pulley improves fuel efficiency. Calculating the minimum clamping force required to prevent belt slip and maintaining the clamping force near this minimum value helps achieve optimal fuel efficiency.

Finally, the clamping force can impact the safety and integrity of the fuel tank. A secure clamping force helps prevent leaks and ensures the fuel tank can withstand the vibrations and stresses associated with transportation. This is particularly important when transporting delicate fuel tanks, such as those loaded and shipped by specialized heavy machinery transport providers.

In conclusion, the clamping force is a critical aspect of mounting fuel tanks on car haulers. It influences fuel tank performance, withstands external forces, optimizes fuel efficiency, and maintains the safety and integrity of the fuel tank during transportation. By carefully considering and controlling the clamping force, operators can ensure the safe and efficient mounting of fuel tanks on car haulers.

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How to prevent corrosion

Steel tanks are commonly used to store bulk amounts of fuel due to their robustness and non-porous nature. However, steel tanks are susceptible to corrosion from weather conditions, heat, condensation, and UV light. To prevent corrosion in fuel tanks on car haulers, consider the following steps:

Firstly, it is crucial to maintain a reasonably full fuel tank. Running a vehicle with low fuel levels may save costs but can lead to the tank rusting out quickly. This is because, as fuel is used, moisture-laden air is sucked in, causing rusting. Therefore, keeping the tank full minimizes the entry of moisture and reduces the chances of rust formation.

Secondly, establish a regular schedule for water level checks, regardless of the tank's usage frequency. Water often accumulates in tanks during warmer months due to heat gain and evaporation, leading to bacterial microbial contamination and corrosion. Regular inspections and immediate water removal are essential to prevent corrosion and maintain the fuel system's health.

Thirdly, the EPA advises tank operators to filter fuel for water and particulates before delivery into the tank or shortly after during recirculation. This step helps safeguard against corrosion caused by contaminated fuel. Additionally, perform regular visual inspections of the tank, looking for sludge or particle accumulation, which could indicate corrosive damage.

Finally, if you're storing a tank, it is recommended to empty it, leave it outside in the sun for a few days to evaporate any remaining fuel, and then swirl around some two-stroke oil to coat the interior. This process helps prevent rust formation during storage. Alternatively, products like Deox-C can be used to remove rust, followed by rinsing and drying the tank before refilling it with petrol.

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Frequently asked questions

There are a few options for fuel tanks for car haulers. You can choose between an in-bed auxiliary fuel tank or a trailer-mounted tank. In-bed auxiliary fuel tanks are available in a range of sizes, from 37 to 100 gallons, and can be installed seamlessly in your pickup truck. Trailer-mounted tanks, on the other hand, are attached to a trailer and can be left at the site where the fuel is being used.

In-bed auxiliary fuel tanks offer the convenience of extended driving range, allowing you to go on long hauls or off-roading adventures without worrying about running out of fuel. They are designed to integrate smoothly with your pickup truck and provide a reliable fuel transfer system.

When considering a trailer-mounted fuel tank, you need to think about the weight of the fuel and the tank itself, as it can impact the tongue weight and balance of the trailer. Additionally, you may want to explore options like fuel bladders or transfer tanks, depending on your specific needs.

Safety is a critical concern when mounting a fuel tank. Ensure that the tank is securely and solidly mounted to prevent it from moving or ripping through the bed in the event of an accident. Use appropriate materials, such as stainless steel or aluminum alloys, to prevent corrosion and maintain the integrity of the fuel tank.

There are various online resources, such as forums and manufacturer websites, that provide guidance on mounting fuel tanks on car haulers. These sources offer insights into different mounting options, installation processes, and considerations for specific vehicles. It is recommended to refer to these resources for detailed instructions and recommendations before attempting any fuel tank installation or modification.

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