Peterbilt will make powertrains with a TX-12 Pro automated transmission and Paccar MX-13 engine combination an option available to buyers of its 579, 567 and 589 tractors, the Paccar unit said ...

Peterbilt last year achieved record market share in heavy duty (15.3%), thanks in part to the strength of its newest truck, the Model 589. With its 2023 debut, the 589 took the mantle of Peterbilt ...