Read more: The 15 Most Reliable Pickup Trucks Of All Time, Ranked The PACCAR MX-13 produces as much as 510 horsepower and ...
Peterbilt is now offering the Paccar TX-12 Pro automated transmission with the Paccar MX-13 engine in the Models 579, 567 and 589. The company says the combo offers optimized performance for both on- ...
The Paccar TX-12 Pro transmission now is available with the MX-13 engine in Models 579, 567, and 589 in a new combination for ...