Peterbilt Motors Co. has announced updated offerings for the 2019 PACCAR engines.

Peterbilt will offer the 2019 model year PACCAR MX-13 with two new ratings: a multi-torque 455 HP with a torque rating of 1,650 to 1,850 lb.-ft. and a 405 HP with 1,650 lb.-ft. of torque. Each update for model year 2019 engines was specifically designed to result in increased reliability and fuel economy, the company says.

“Peterbilt and PACCAR powertrain work closely to ensure Peterbilt customers have the most fuel efficient options available, and they already benefit from a total weight savings of more than 500 lbs. when spec’ing the full PACCAR powertrain on the Model 579,” said Peterbilt’s on- highway marketing manager Wesley Slavin. “Peterbilt’s customers have challenged us to find even more ways to maximize fuel economy and these new ratings deliver.”

The new engine ratings will be available in January.