2024 Peterbilt 579 Specs And Reviews. 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. He took one for a lengthy test drive and recorded some.

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. He took one for a lengthy test drive and recorded some.