
Peterbilt fuel tanks come in a variety of sizes and shapes, including cylindrical and rectangular. The size of the fuel tank depends on the model of the Peterbilt truck and the year it was manufactured. For example, the Peterbilt 379, Peterbilt 389, and Peterbilt 579 may have different fuel tank capacities and dimensions. The tanks are designed to enhance the appearance of the truck and improve its performance and reliability. Alttec fuel tanks, for instance, are cost-effective and high-quality alternatives to the original equipment tanks, offering a two-year warranty.
| Characteristics | Values |
|---|---|
| Peterbilt Fuel Tank Capacities | 65, 80, 90, 100, 110, 120, 125, 135, 150 gallons |
| Peterbilt Fuel Tank Dimensions | 23" x 38", 23" x 48", 26" x 31", 26" x 41", 26" x 48", 26" x 53", 26" x 57", 26" x 65", 23" x 60", 23" x 62", 23" x 77" |
| Peterbilt Fuel Tank Types | Center Fill, Center Fill Neck, Rear Fill, Cylindrical, Rectangular, Fuel & Hydraulic Split |
| Peterbilt Fuel Tank Models | 379, 389, 579, 589, 2006 and earlier, 2007 and newer |
| Peterbilt Fuel Tank Brands | Alttec, Propower, Raney's Truck Parts |
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What You'll Learn

Alttec fuel tanks for Peterbilt models
If you're looking to replace the fuel tank on your Peterbilt, Alttec offers a range of cost-effective and high-quality fuel tanks. These aftermarket diesel fuel tanks are designed for Peterbilt models and are made with raw materials that are equal to or superior to original equipment tanks.
Alttec fuel tanks feature Peterbilt dome-style ends and are available in diameters of 23 inches and 26 inches. They are individually pressure-tested to check for possible leaks before leaving the factory, ensuring a reliable product. The exact measurements of the tanks ensure the precise fit and placement of fill necks.
One of the standout features of Alttec tanks is their compatibility with your Peterbilt truck. These tanks bolt right onto your truck without the need for modifications. They feature a Peterbilt-style neck that accepts the flip-top fuel cap, making them almost identical to your factory-installed tank.
Alttec offers a variety of tank options to meet your specific needs, including 80, 100, 120, 135, and
When considering a fuel tank replacement for your Peterbilt, Alttec fuel tanks offer a combination of quality, compatibility, and value, making them a great choice to keep your Peterbilt truck running efficiently and reliably.
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Peterbilt semi truck fuel tanks
Peterbilt semi-trucks have a variety of fuel tank options available, with varying capacities, shapes, and dimensions.
Alttec Fuel Tanks
Alttec offers a range of fuel tanks that are compatible with Peterbilt semi-trucks. These tanks are available in various capacities, including 80, 100, 120, 135, and 150 gallons. They feature a Peterbilt-style neck that accepts a flip-top fuel cap, similar to factory-installed tanks. Alttec tanks are cost-effective and high-quality, and often more affordable than dealership options. They come with a 2-year warranty and are designed to meet or exceed the performance of original equipment tanks.
Big Rig Chrome Shop Fuel Tanks
Big Rig Chrome Shop offers a selection of Peterbilt fuel tanks designed to enhance the performance and style of your semi-truck. Their inventory includes options such as the 90-gallon center-fill tank, the 100-gallon center-fill tank, and specialized tanks for Peterbilt models from 2006 and earlier or 2007 and newer. They also offer larger capacity options, including 110, 125, and 135-gallon tanks.
Metal Tanks by Propower
Propower offers a range of cylindrical and rectangular fuel tanks compatible with Peterbilt semi-trucks. While specific capacities are not mentioned, the tanks are designed to be durable and reliable replacements for your truck.
Raney's Truck Parts Fuel Tanks
Raney's Truck Parts offers a 150-gallon aluminum semi-truck fuel tank compatible with older Peterbilt models (2006 and older) that feature older-style manifolds. These tanks are designed to fit and function like, or even surpass, their OEM counterparts in terms of performance and reliability. They are FMCSA-tested and ISO-certified, ensuring professional drivers' needs are met without compromising material quality or style.
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Peterbilt cylindrical fuel tanks
Peterbilt trucks are available with a variety of cylindrical fuel tank options. These include the Peterbilt Cylindrical Fuel Tank models PB-L26CFA72, PB-L26CFA66, PB-L26CFA60, PB-R26CFA66, PB-R26CFA66-A, and PB-L26CFA48. There are also the PB-L26CFA72-A, PB-R26CFA60, PB-R26CFA72-A, PB-R26CFA72-L, PB-R26CFA66-H, PB-R26CFA66-B, and PB-R26CFA60-D. In addition, the PB-L26CWA22CFA50 is a cylindrical fuel and hydraulic split tank.
Alttec also offers a range of cylindrical fuel tanks for Peterbilt models, including 80, 100, 120, 135, and 150-gallon options. These tanks are designed to be cost-effective and bolt right onto your truck without modifications. They feature a Peterbilt-style neck that accepts a flip-top fuel cap, similar to factory-installed tanks.
For Peterbilt semi-trucks, there are also cylindrical fuel tanks available in 80-gallon, 100-gallon, and 150-gallon capacities. These tanks are designed for durability and optimal performance, ensuring your truck stays on the road longer.
Additionally, Peterbilt offers cylindrical fuel tanks for older models, such as the 2006 and earlier 125-gallon, 100-gallon, and 110-gallon options. These tanks are designed to fit and function like, or even surpass, their OEM counterparts in terms of performance.
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Peterbilt fuel tank capacity options
Peterbilt trucks have a variety of fuel tank options available, with capacities ranging from 60 to 150 gallons. The specific fuel tank capacity options depend on the model year of the Peterbilt truck.
For older Peterbilt models (2006 and earlier), fuel tank capacities range from 80 to 150 gallons. For example, the Peterbilt 80 Gallon 26 Inch By 38 Inch Fuel Tank, the Peterbilt 100 Gallon 26 Inch By 48 Inch Fuel Tank, and the Peterbilt 125 Gallon 26 Inch By 57 Inch Fuel Tank. There is also the Peterbilt 150-Gallon Aluminum Semi-Truck Fuel Tank, which fits various older Peterbilt models and is available in a driver-side or passenger-side orientation.
For newer Peterbilt models (2007 and newer), fuel tank capacities range from 60 to 135 gallons. For instance, the Peterbilt 90 Gallon 26 Inch By 41 Inch Center Fill With Neck Fuel Tank and the Peterbilt 100 Gallon 23 Inch By 60 Inch Fuel Tank.
In addition to the standard fuel tanks offered by Peterbilt, there are also Alttec fuel tanks available in various capacities, including 80, 100, 120, 135, and 150 gallons. These fuel tanks are designed to bolt right onto the truck without modifications and feature a Peterbilt-style neck that accepts the flip-top fuel cap.
Overall, the fuel tank capacity options for Peterbilt trucks vary depending on the model year, with older models tending to have larger fuel tanks compared to newer models.
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Peterbilt fuel tank parts and accessories
The fuel tank size on a Peterbilt truck varies depending on the model. For instance, the Peterbilt 379, Peterbilt 389, Peterbilt 579, and the Peterbilt 589 will all have different requirements.
There are a variety of aftermarket parts and accessories available for Peterbilt fuel tanks. These include:
- The 26" OEM Fuel Tank Bracket For Peterbilt
- The 23" x 38" 65 Gallon Center Fill Tank For Peterbilt
- The 23" x 48" 80 Gallon Center Fill Tank For Peterbilt
- The 26" x 31" 65 Gallon Center Fill Neck Tank For Peterbilt
- The 26" x 48" 100 Gallon Center Fill Tank For Peterbilt
- The 26" x 57" 125 Gallon Center Fill Tank For Peterbilt
- The 26" x 65" 135 Gallon Center Fill Tank For Peterbilt
- The 23" x 60" 100 Gallon Fuel Tank (for 2007 and newer models)
- The 23" x 62" 110 Gallon Fuel Tank (for 2007 and newer models)
The Alttec range of fuel tanks is also an option, with capacities ranging from 80 to 150 gallons. These tanks are designed to be a direct replacement for factory-installed tanks and offer cost savings and a 2-year warranty.
It is important to ensure that any fuel tank and its accessories are correctly specified for the model of Peterbilt truck and its engine, as well as complying with any relevant regulations.
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Frequently asked questions
There are a variety of fuel tank sizes available for Peterbilt trucks, including 80, 90, 100, 110, 120, 125, 135, and 150-gallon fuel tanks.
The Peterbilt 80-gallon fuel tank measures 26 inches by 38 inches and does not have a neck.
The Peterbilt 100-gallon fuel tank measures 26 inches by 48 inches. It is available with or without a neck.
The Peterbilt 90-gallon fuel tank measures 26 inches by 41 inches and has a center fill with a neck.
Yes, there are different types of fuel tanks available, such as cylindrical and rectangular fuel tanks, as well as Alttec fuel tanks, which are designed to bolt directly onto your truck without modifications.











































