Peterbilt Motors Co. - Paccar

Natural Gas Vehicle Powertrain

Peterbilt offers a powertrain option for several of its natural gas vehicles that provides customers with an automated transmission and 100% natural gas engine that can be powered by either CNG or LNG.

  • Available for the on-highway Model 579 and vocational Model 567, as well as for Models 384 and 365
  • Eaton UltraShift PLUS is available in the 13-speed MHP and 10-speed LAS series and features intelligent shift selection software and a tailored shift logic that enhances braking performance
  • Precision shifting senses and adjusts to grades, weight and driver throttle commands
  • Cummins Westport ISX12 G 11.9-liter engine available up to 400 hp and 1,450 lbs.-ft. of torque

Video: Truckers Expect Diesel Work from Peterbilt’s Natural Gas 579

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