Peterbilt makes new AMT available with 567, 579

Paccar's TX-12 PRO automated manual transmission

Peterbilt announced Tuesday the all new Paccar TX-12 PRO automated transmission is now available in Peterbilt Models 567 and 579.

Designed to be versatile and efficient, the TX-12 PRO automated transmission brings reliable TX-12 performance to vocational applications, Peterbilt says. The transmission was first announced last week by Kenworth, and is engineered to operate with engines that have up to 1,700 lb.-ft. of torque and a maximum Gross Combination Weight Rating (GCWR) of 70,000 lb.

“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,” says Jake Montero, Peterbilt assistant general manager, sales and marketing.

Peterbilt says features and benefits of the new transmission 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
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