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 ...

Montero highlighted a number of Paccar’s and Peterbilt’s accomplishments in 2024, including completing their first full year of production for the Model 589, reaching a milestone of 800,000 ...