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 is now offering its Extended Day Cab option throughout its medium-duty lineup. Customers now have the option to expand the length of their day cab by 10 in. and get nearly 6 in.