Peterbilt Motors Co. announced that a California-compliant version of the Paccar MX-13 diesel engine is now available in its Model 579, Model 567 and Model 589 trucks. The engine is compliant with ...

The Paccar TX-12 Pro automated transmission is now available with the Paccar MX-13 engine for Kenworth’s T680, T880, and W990 models. This transmission is designed to optimize performance for both on- ...

Peterbilt is now offering a CARB low-NOx-compliant Paccar MX-13 engine in its Models 579, 567, and 589. The new engine features redesigned internal hardware and aftertreatment systems to further ...

Peterbilt announced the new MX-13 is available for order in its Models 579, 567, and 589 trucks. Kenworth announced that the new CARB-compliant engine is now available to order on its T680, T880, and ...

LOUISVILLE, Ky.--(BUSINESS WIRE)--Peterbilt Motors Company showcased its latest fuel efficiency innovations during the Mid-America Trucking Show with its Model 579 EPIQ, an aerodynamically optimized ...