Peterbilt is now offering the Paccar TX-12 Pro automated transmission with the Paccar MX-13 engine in the Models 579, 567 and ...

The Paccar TX-12 Pro transmission now is available with the MX-13 engine in Models 579, 567, and 589 in a new combination for ...

Moving up in the PACCAR line takes us to the MX-11, which is used in Peterbilt model 567 and 579 trucks. This 10.8-liter ...

Peterbilt has introduced Bendix Fusion Stop & Auto-Go Advanced as an available safety system on its 579 model, enhancing collision mitigation with upgraded software and a new forward-facing camera.