2024 Peterbilt 579 Interior Dimensions. Of storage and the largest mattresses in the industry. I got my first look at the new 579—painted with peterbilt’s signature legendary red metal flake, of course—in the parking lot of the company’s denton, texas, manufacturing plant.

It can accommodate up to. 579 tractor with 80 double bunk ultraloft sleeper with epiq aero package.