2024 Peterbilt 579 Redesign Cowl Panel Removal Instructions. Peterbilt's new model 579 truck has undergone a significant redesign, incorporating driver and fleet feedback. This is a new 2024 peterbilt 579, just like the hundreds you'll see on the freeway on your next road trip.

But back to the little details of form and function that make the new 579 special. Over 1,000 hours of computational fluid dynamics (cfd) analysis and over 7.8.