Paccar PX-6, PX-8 Available on Kenworth Medium-Duties

March 2010, - Feature

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Kenworth announced its new engine lineup for its medium-duty trucks. The 2010 Paccar PX-6 and Paccar PX-8 engines are both available for the Kenworth T270 Class 6 and T370 Class 7 models.
Kenworth's 2010 lineup of Medium-duty trucks will be equipped with Paccar PX-6 (left) and Paccar PX-8 (right) engines.
Kenworth's 2010 lineup of Medium-duty trucks will be equipped with Paccar PX-6 (left) and Paccar PX-8 (right) engines.
The Kenworth T170 Class 5 vehicle is available with the 2010 Paccar PX-6 engine.

"The 2010 Paccar PX-6 and Paccar PX-8 engines offer enhancements in torque and horsepower options which will provide greater benefits to Kenworth customers in a variety of medium-duty applications," said Jason Skoog, Kenworth director of marketing planning and research. "Both engines feature a fully integrated electronic control system for increased power density, enhanced reliability and serviceability, and optimized performance."

The Paccar PX-6 delivers 200 to 325 horsepower with torque from 520 to 750 pounds-feet, while the Paccar PX-8 offers 260 to 350 horsepower and 660 to 1,000 pounds-feet of torque for heavier loads and severe grades. Both engines now feature a high pressure common rail fuel injection system, improved cooled exhaust gas recirculation, patented variable geometry turbocharger (VGT), and new aftertreatment system.

The Paccar PX-8 contains many features typical of heavy-duty engine design, including replaceable wet liners, roller followers, two-piece steel articulated pistons, bypass oil filtration and targeted piston cooling.

For 2010, Kenworth offers three diesel exhaust fluid tank options for the medium-duty market, including useable DEF capacities of 6.6, nine and 18 gallons that provide diesel fuel capacities of 110, 150 and 300 gallons, respectively.

For Kenworth medium-duty vehicles equipped with either Paccar engines, there are four exhaust options: right-hand (passenger) side under the cab, horizontal, horizontal in-series, and vertical independent.

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