Paccar's TX-8 automated transmission is now available with mobile PTO functionality in Pterbilt Model 548, 537 and 536 trucks.   -  Photo: Peterbilt

Paccar's TX-8 automated transmission is now available with mobile PTO functionality in Pterbilt Model 548, 537 and 536 trucks. 

Photo: Peterbilt

Peterbilt has announced several upgrades to its TX-8 and TX-12 automated transmissions. These enhancements are focused on vocational truck applications.

According to the OEM, the TX-8 is now available with mobile PTO functionality in Models 548, 537 and 536 trucks. This new option allows for PTO engagement beyond first gear, increasing vehicle capabilities for vocational applications.

According to a press release, the TX-8, developed by Peterbilt’s parent company, Paccar, is designed to work with Paccar PX engines. The transmission enhances performance, increases fuel efficiency and lowers cost of operation of Peterbilt’s medium duty and vocational applications with a Gross Combination Weight Rating (GCWR) up to 57,000 lbs., the OEM said.

“This additional PTO functionality provides the versatility to support Peterbilt customers with the right products and technologies for their unique business needs,” said Jake Montero, Peterbilt assistant general manager, sales and marketing. “The Paccar TX-8 is a great fit for utility service, tow trucks, and a wide range of other vocational applications.”

Expanded TX-12 Model Range

Peterbilt also announced that its Paccar TX-12 Pro automated transmission is now available in Peterbilt Model 567 and Model 579.

The TX-12 Pro automated transmission 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 lbs.

The TX-12 Pro automated transmission is engineered to operate with engines that have up to 1,700 lbs.-ft. of torque.   -  Photo: Peterbilt

The TX-12 Pro automated transmission is engineered to operate with engines that have up to 1,700 lbs.-ft. of torque. 

Photo: Peterbilt

According to Peterbilt, TX-12 Pro Features and Benefits 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 Montero.

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