Kenworth Truck Co. has published a brochure detailing new Paccar PX-7 and PX-9 engines. The engines are designed to meet EPA regulations requiring all 2013 engines to be equipped with onboard diagnostics (OBD) to monitor emissions system performance.
The 6.7L PX-7 has a standard base warranty of 2 years with no mileage limit. The 8.9L PX-9 has a standard base warranty of 2 years or 250,000 mi., whichever comes first.
The brochures for both engines feature detailed engine horsepower, torque and governed rpm ratings. Charts map horsepower and torque versus engine speed (rpm). A detailed specifications list and maintenance intervals for oil and filter, diesel exhaust filter (DEF) and fuel filter are included.
The PX-7 is available for Kenworth’s medium duty conventional and cabover line-up. The engine offers ratings of 200 to 325 hp. and up to 750 lbs.-ft. of torque for the Kenworth T170, T270 and T370. For the Kenworth K270 and K370 cabovers, PX-7 ratings are 220 hp./520 lbs.-ft., 240 hp./560 lbs.-ft. and 250 hp./660 lbs.-ft.
The PX-9 engine is available for medium and heavy duty trucks, including the Kenworth T270, T370, T440, T470 and W900S. It offers ratings from 260 to 380 hp. and provides up to 1,250 lbs.-ft. of torque.
The engine brochures are available from your Kenworth dealer and are also available for electronic download at www.kenworth.com.