Peterbilt’s flagship Model 579 tractor is available with an MX-13 or MX-11 engine. The Model 579 is also available with the Paccar TX-12, TX-18, TX-18 Pro, plus Eaton automated and manual ...

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 adds the PACCAR TX-12 Pro automated transmission for Models 579, 567, and 589, for vocational and on-highway use.

New general manager Jake Montero said a raft of new products and new technologies both in -- and outside of -- its trucks have Peterbilt positioned for strong grown in 2025.

The Los Angeles-based lender beat expectations with strong first-quarter growth, financing deals in 37 states despite economic uncertainty.