On the power side, the new MX-13 engine gets a 2% fuel economy bump, while the MX-11 will see a 2.5% bump for the 2021 ... models, is the most aerodynamic and fuel-efficient Peterbilt model ...

Peterbilt Motor Co. has followed up on the virtual launch of its new medium-duty truck launch with a chance for North America trucking journalists to see the trucks first-hand and spend some time ...

Peterbilt Motors Co. has updated its vocational Model 567 and 520 trucks, the company announced Feb. 24. The VMUX electrical system was enhanced on those models to deliver improved functionality ...

And believe me, if you’re a Peterbilt fan, you most definitely want to drive the new 2021 Model 579 tractor ... than the hood on the previous 579 models – and more resistant to damage ...

(Seth Clevenger/Transport Topics) Besides its electric refuse truck, Peterbilt has introduced two other battery-electric models — the ... by the Model 520EV in 2021, the company said.

Affected Peterbilts include model year 2021-'24 Peterbilt 348, 365, 367, 389, 535, 536, 537, 548, 567 and 579 models. Affected Kenworths include model year 2021-'24 Kenworth T180, T280 ...