Since its debut in 2012, the Model 579 – now Peterbilt's on-highway flagship – has received a few of the aforementioned refinements, like the addition of the hyper-aerodynamic EPIQ package in ...

Peterbilt Motors Co. announced that a California-compliant version of the Paccar MX-13 diesel engine is now available in its Model 579, Model 567 and Model 589 trucks.

The recall affects approximately 116,343 units. Affected Peterbilts include model year 2021-'24 Peterbilt 348, 365, 367, 389, 535, 536, 537, 548, 567 and 579 models.