Heavy Duty Trucking's Top 20 Products awards recognize the best new products and technologies. Check out the award presentations at the 2026 Technology & Maintenance Council annual meeting. The ...

The 12.9-liter Paccar MX-13 engine is designed to meet the demands of heavy-duty truck applications. The engine is available for Kenworth Class 8 models, including the Kenworth T660, T680, T700, T800 ...

“Our customers are looking for better options to successfully navigate the complexities of the evolving regulatory landscape and Kenworth models equipped with PACCAR’s MX-13 CARB-compliant engine ...

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 ...

Peterbilt Motors Company announced Tuesday its availability of a new lightweight engine designed for endurance, quieter performance and fuel efficiency. The PACCAR MX-11 engine is available on the ...

A California Air Resources Board (CARB) compliant version of the Paccar MX-13 engine is available for use in Kenworth heavy trucks that meet 2024 requirements. The Paccar MX-13 CARB-compliant engine ...

PACCAR has patented a method for starting a vehicle’s engine that involves rotating the crankshaft while keeping the exhaust valves of the combustion chambers open before fuel injection. The engine ...

Kenworth’s PACCAR TX-12 PRO and TX-18 PRO automated transmissions are now available on T880 and W990 trucks equipped with PACCAR engines and a rear engine power take-off (REPTO). The move allows these ...

Since its humble beginning in 1985, operating a few trucks on a small farm in Akron, Ohio, JRayl Transport has grown to become one of the largest asset-based logistics companies in Ohio. Today, JRayl ...

New and Only CARB-Compliant Fully Automatic Transmission and Diesel Engine Pairing to Deliver Lower Emissions While Maintaining Optimized Performance for Heavy-Duty Vehicles INDIANAPOLIS, July 30, ...

PACCAR has been granted a patent for a diagnostic method to identify misfire conditions in individual engine cylinders of turbocharged diesel engines. The method involves using pressure and crankshaft ...