There are two engine brands that power Peterbilt trucks: PACCAR and Cummins. The PACCAR engines include MX-13, MX-11, PX-9, and PX-7, while the Cummins models are limited to X15, ISX12N, L9N, and ...

Ram CEO Tim Kuniskis’ turnaround plan for Stellantis’ truck brand includes the return of Hemi V-8 engines, mechanical bulls and many other untraditional plans.

Fleets, especially those operating in California, often face complicated emissions compliance. CARB-24 Omnibus-compliant engines put heavy-duty diesel workhorses to work where they’re needed. Volvo ...

For the Driver from American Trucker serves independent owner-operators and growing trucking fleets operating fewer than five power units.