Peterbilt is offering the Cummins Westport natural gas engine in its Model 365 and Model 384. Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor ...

From radiators to charge air coolers, heavy-duty trucks like Kenworth and Peterbilt rely on robust cooling systems to stay efficient and avoid costly downtime. Proper maintenance, timely upgrades, and ...

Peterbilt Motors Company announced Tuesday its availability of a new lightweight engine designed for endurance, quieter performance and fuel efficiency. The PACCAR MX-11 engine is available on the ...

Peterbilt’s first lightweight Paccar MX-11 engine was installed recently in the company’s newest vocational truck, the Model 567, in a set-forward front axle configuration. Peterbilt’s first ...

This Peterbilt 579 is powered by the Cummins X15N natural gas engine – Cummins' latest, greatest and biggest natural gas engine. Peterbilt has fully integrated the X15N with its Model 579 powertrain ...

Peterbilt has introduced the PACCAR TX-12 PRO automated transmission for MX-13 engines in its Models 579, 567, and 589, targeting both on-highway and vocational uses like dump trucks and tankers. The ...

What you’re looking at here is a 2025 Peterbilt 589, featuring a Sleeper configuration to go with a Cummins X15 turbodiesel engine and an 18-speed manual transmission. It’s currently up for grabs and ...