The Peterbilt 2006 And Earlier 135 Gallon 23 Inch By 77 Inch Fuel Tank is a high-quality aluminum tank designed for practicality and durability. With a capacity of 135 gallons, it provides ample fuel storage for long journeys. The tank's dimensions of 23 inches by 77 inches make it a perfect fit for most Peterbilt 2006 and earlier models. It features a rear fill design and is available in both driver side and passenger side options. This fuel tank is a reliable and efficient choice for any Peterbilt truck owner.