Rajan Wilcox
Peterbilt trucks are known for their quality and strength, and their fuel tanks are no exception. The number of fuel tanks on a Peterbilt truck can vary, with some models having one tank and others having two. The tanks come in different sizes and capacities, ranging from 80 to 135 gallons, and are designed with domed heads and made of aluminum to withstand the elements. Proper maintenance of the fuel tanks and their components, such as valves and lines, is crucial to ensure optimal performance and avoid issues like unequal fuel levels or blockages. Peterbilt owners can choose from a variety of aftermarket fuel tanks and accessories to enhance their truck's efficiency, style, and durability.
| Characteristics | Values |
|---|---|
| Number of fuel tanks | 2 |
| Tank shape | Cylindrical |
| Tank material | Aluminum |
| Tank capacity | 60-135 gallons |
| Tank dimensions | 23-26 inches x 38-77 inches |
| Tank fill type | Center fill, rear fill |
| Tank accessories | Fuel tank bracket, locking fuel caps, fuel heaters, visual gauges, sending units |
| Tank maintenance | Regular cleaning of breathers, leak testing, rust protection |
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What You'll Learn
Peterbilt fuel tank capacity varies from 80 gallons to 135 gallons
Peterbilt fuel tanks are known for their domed heads and durable design. The fuel tank capacity of Peterbilt trucks varies, with some models offering 80-gallon fuel tanks, while others boast capacities of up to 135 gallons.
For instance, the Peterbilt 379 model has been mentioned by owners to have two fuel tanks, one on the passenger side and the other on the driver's side, which can be filled with varying amounts of fuel.
The fuel tank capacity of Peterbilt trucks can be as high as 135 gallons, as seen in the 26" x 65" center-fill tank option. This larger capacity is ideal for long-haul trips, reducing the need for frequent refuelling stops. Additionally, Peterbilt offers a range of fuel tank capacities, including 65-gallon, 80-gallon, 100-gallon, 110-gallon, and 125-gallon options, catering to diverse driving needs.
When choosing a fuel tank for a Peterbilt truck, it is essential to consider factors beyond capacity. The placement of port and fuel cap, as well as additional features such as locking fuel caps, fuel heaters, visual gauges, and sending units, should be evaluated to ensure they meet your specific requirements. Furthermore, the material and construction of the fuel tank are critical considerations. Most Peterbilt tanks are made of aluminium, which offers advantages in terms of durability and resistance to rust and corrosion, especially in coastal areas with salt air.
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The number of fuel tanks depends on the Peterbilt model
The number of fuel tanks on a Peterbilt truck depends on the model. For instance, the Peterbilt 379 model has two fuel tanks, one on each side of the truck. However, some models, like the Peterbilt 579, may have a single, larger fuel tank.
The capacity of Peterbilt fuel tanks also varies depending on the model. Different models have fuel tanks with capacities ranging from 80 gallons to 135 gallons. For example, the Peterbilt 389 model has a fuel tank capacity of 135 gallons, while the Peterbilt 589 model has a fuel tank capacity of 110 gallons.
Peterbilt fuel tanks are designed with durability and optimal performance in mind. They are often made of aluminum, which helps prevent rust and corrosion, especially in coastal areas where salt from the sea air can be an issue. Additionally, the domed heads on the ends of the tanks are a distinctive feature of Peterbilt fuel tanks, adding to the overall quality and strength that the brand is known for.
When it comes to purchasing replacement fuel tanks for a Peterbilt truck, owners have a variety of options to choose from. They can opt for larger tanks to reduce refueling stops or request specific features such as locking fuel caps, fuel heaters, visual gauges, and sending units. It is important to consider the material cost, as it significantly impacts the overall cost of the fuel tank, and to inquire about leak testing procedures to ensure the quality of the tank.
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Fuel tanks are made of aluminium to prevent rusting
Fuel tanks are a crucial component of any vehicle, and when it comes to Peterbilt trucks, there are various options available in terms of size and capacity. Peterbilt fuel tanks are known for their durability and optimal performance, ensuring that your semi-truck stays on the road for longer periods.
Now, let's talk about why fuel tanks are made of aluminum to prevent rusting. Aluminum is a lightweight and durable metal that offers several advantages for fuel tanks. One of the primary benefits of using aluminum is its natural resistance to corrosion and rust. When exposed to moisture and oxygen, aluminum forms a protective layer of aluminum oxide, which acts as a barrier against further corrosion. This property makes aluminum ideal for fuel tanks, as they are often exposed to fuel, moisture, and varying environmental conditions.
Additionally, aluminum is a highly workable metal, making it easier to fabricate fuel tanks with complex shapes and designs. This workability allows manufacturers to create fuel tanks with domed heads, as seen in Peterbilt fuel tanks, enhancing the overall aesthetic appeal and structural integrity of the tanks. Aluminum's lightweight nature also contributes to the vehicle's overall fuel efficiency, as a lighter fuel tank means better fuel economy and handling.
Furthermore, aluminum fuel tanks are often assembled with aircraft rivets, eliminating the need for welding. This construction method ensures a secure and fuel-tight seal, reducing the risk of leaks. While welding aluminum is possible, it requires specialized skills and techniques, as improper welding can lead to cracked seams. Therefore, riveting is a preferred method for constructing aluminum fuel tanks, ensuring both safety and structural integrity.
When it comes to choosing the right type of aluminum for fuel tanks, alloys such as 5052, 3003, and 6061 series aluminum sheets are commonly used. These alloys offer a combination of strength, formability, and corrosion resistance, making them ideal for fabricating durable and reliable fuel tanks. By using aluminum and incorporating thoughtful designs and construction methods, fuel tank manufacturers can provide a product that not only prevents rusting but also enhances the overall performance and longevity of the vehicle.
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Tanks with domed heads are a characteristic feature of Peterbilt trucks
Peterbilt fuel tanks are known for their distinctive domed heads, which are a defining feature of the brand's trucks. These domed heads are not only aesthetically pleasing but also serve an important functional purpose.
The domed shape of the fuel tank heads is unique to Peterbilt trucks and sets them apart from other manufacturers, who typically produce flat heads. This distinct design is an integral part of the Peterbilt truck's original factory style and appeal, which is a key consideration for owners who take pride in their vehicles.
One of the advantages of the domed heads is their contribution to the overall strength and durability of the fuel tanks. The curved shape of the domes adds structural integrity, enabling the tanks to withstand the vibrations and stresses that occur during operation. This enhances the longevity of the fuel tanks, ensuring they last longer than the original equipment manufacturer (OEM) tanks.
In addition to the domed heads, Peterbilt fuel tanks are constructed with high-quality materials and craftsmanship. Most Peterbilt tanks are made of aluminum, which offers superior resistance to corrosion and salt damage compared to steel tanks. The thickness of the tank material is also crucial, as thicker tanks are more durable and less susceptible to leaks.
When purchasing a fuel tank for a Peterbilt truck, it is essential to consider not only the material and construction but also the additional features offered. Reputable suppliers provide various options, such as locking fuel caps, fuel heaters, visual gauges, and sending units. These accessories enhance the functionality and security of the fuel system, ensuring a superior driving experience for Peterbilt truck owners.
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Fuel tank problems are often caused by vents or lines
Fuel tank problems are a common issue, and often the root cause is an error with the vents or lines. One of the most important things to check is that the vent line is installed correctly. If you are running a vent line, it must be installed higher than the highest point on the tank, including the fuel filler neck. The vent line should not have any dips where fuel or condensation can get trapped. If fuel does become trapped in the line, pressure will build in the tank, which can cause damage.
Another issue caused by vents or lines is fuel tank contamination. Rain or condensation can enter the tank through the filler neck or vent, usually in warm and humid conditions. This can cause engine misfires, reduced performance, clogged fuel filters, and difficulty starting the vehicle. To prevent contamination, keep the tank sealed, use high-quality fuel, and add a fuel stabilizer if storing the tank for a long period.
Fuel leaks are another common problem, which can be caused by accidents, corrosion, punctures, or worn seals in fuel lines. Leaks can also be caused by overfilling the tank. It is important to regularly check for leaks around the filter neck and lines after filling the tank. If you notice a fuel smell, visible leaks, lower fuel efficiency, or difficulty starting the engine, these could be signs of a fuel leak.
Clogged fuel lines can also cause issues with the fuel tank. Dirt, rust, or sediment buildup in the tank can block fuel lines, and a clogged fuel filter can restrict fuel flow and cause blockages. This may result in difficulty starting the engine, engine sputtering or stalling, and a noticeable power loss. To prevent clogged fuel lines, regularly replace the fuel filter, use fuel additives to prevent deposits, and avoid driving on low fuel to prevent sediment buildup.
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Frequently asked questions
Most Peterbilt trucks have two fuel tanks.
Some users have reported problems with fuel levels in one tank depleting while the other remains full. This may be due to the tanks drawing fuel from different locations or issues with valves and lines.
It is important to ensure the tank is made of high-quality materials, such as aluminum, to prevent rust and corrosion. The type of weld used on the flanges is also important, as it affects the tank's durability.
Yes, Peterbilt offers a range of fuel tanks with different capacities, dimensions, and features. Some common options include center fill tanks, rear fill tanks, and cylindrical fuel tanks.
You can find Peterbilt fuel tanks at various retailers, including Big Rig Chrome Shop, 4 State Trucks, and Metal Tanks by Propower.
