Peterbilt 579 Model 2024 Specs. The peterbilt 579 80 high roof cummins isx15 is a truck tractor unit manufactured by peterbilt since 2012. The new truck, which peterbilt is calling the “new model 579” for this, the first year of its launch, is the first major upgrade and reworking of the truck since its debut nine years ago.
The new truck, which peterbilt is calling the “new model 579” for this, the first year of its launch, is the first major upgrade and reworking of the truck since its debut nine years ago. The model 579 offers the most advanced aerodynamic features and packages to improve fuel economy;
