And believe me, if you’re a Peterbilt fan, you most definitely want to drive the new 2021 Model 579 tractor ... It turned out that during my drive, I used both the camera system and the mirrors ...

Moving up in the PACCAR line takes us to the MX-11, which is used in Peterbilt model 567 and 579 trucks. This 10.8-liter ...

According to Landon Sproull, Peterbilt chief engineer, the EPIQ package can improve fuel efficiency of the Model 579 by up to 10% ... software system used throughout our dealer network ...