Peterbilt’s flagship Model 579 tractor is available with an ... to 1,700 pound-feet of torque and is aimed at uses such as dump trucks, tankers or municipality vehicles, Peterbilt said.

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.

Morgan County District 2 Commissioner Matthew Frost was set to purchase a Peterbilt dump truck when the company added a $7,000 tariff fee to the purchase price. "I was going to buy a dump truck ...