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.

Peterbilt this month announced the availability of new LED pod headlights for the new Model 589. ... [Related: Early Peterbilt 589 custom builds: Twin 2024 models from custom shop Semi Casual] ...