Paccar TX-12 Pro Automated Transmission Available for Vocational Trucks
The Paccar TX-12 Pro automated transmission is now available on Peterbilt vocational trucks, both the Model 567 and Model 579.

The Paccar TX-12 Pro automated transmission is for engines that have up to 1,700 lbs.-ft. of torque and a maximum gross combination weight rating of 70,000 pounds.
Photo: Peterbilt
Peterbilt’s Paccar TX-12 Pro automated transmission is now available on vocational trucks, the Peterbilt Models 567 and 579.
Designed to be versatile and efficient, according to Peterbilt, the TX-12 Pro automated transmission brings reliable TX-12 performance to vocational applications.
It is engineered to operate with engines that have up to 1,700 lbs.-ft. of torque and a maximum gross combination weight rating (GCWR) of 70,000 pounds.
Features of the TX-12 Pro Automated Transmission
TX-12 Pro features and benefits, according to the company, include:
Dual PTO functionality to power multiple hydraulic devices simultaneously
New extreme-duty clutch for improved low-speed maneuvering with higher loads
Rock Free mode helps rock the truck free from mud, sand, or snow
Off-highway calibration enables shift points that are tuned for changing off-highway conditions with a bias toward shifting less often
Secondary configuration for a tailored driving experience that accounts for toggling between two calibrations for the load or terrain
“The addition of the Paccar TX-12 Pro automated transmission enhances Peterbilt’s ability to provide the best-performing trucks in the industry with improved efficiency, low-speed maneuverability, and improved reliability to our vocational customers,” said Jake Montero, Peterbilt assistant general manager, sales and marketing.
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