Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.

Walkaround of a 2016 Peterbilt glider truck equipped with a 6NZ 550HP Cat C15 engine and an 18-speed transmission, along with ...

Eaton’s recently released 12-Speed Endurant automated transmission, developed in a joint venture with Cummins, will be offered on major truck models from both Peterbilt and Kenworth. Ad Loading ...

Peterbilt last year seized a record 20 percent of the vocational market – a gain driven largely by its Model 567. A work truck staple for Peterbilt for the last five model years, the 567 was designed ...