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First Paccar MX Engine Truck Delivered to Costco

A little over a month after Paccar's MX 12.9l diesel engine received its certification from the Environmental Protection Agency (EPA), the first unit has been fitted into a 2011 Kenworth T660 truck and shipped in one neat package to wholesale operator Costco.

The MX engine uses Selective Catalytic Reduction (SCR) in combination with exhaust gas recirculation (EGR) to meet the EPA 2010 diesel engine emissions regulations. According to the EPA findings, the MX engine meets oxides-of-nitrogen (NOx) requirements for the 2010 EPA diesel engine emissions regulations: 0.2 grams per brake horsepower hour of NOx and 0.01 grams per brake horsepower hour of particulate matter.

The power unit will be available in the near future with power outputs ranging from 380hp to 485hp and torque outputs reaching as much as 1,750 lb.-ft.

The truck and engine were handed over to Costco during a ceremony attended by several of the company's top executives. Costco is an important client for Paccar, with some 300 Kenworth trucks forming a fleet which serves 414 warehouses in the US.

“We’re honored to be selected to receive the first PACCAR MX engine installed in a 2011 Kenworth production truck,” Tom Walker, Costco vice president said when receiving the keys to the T660.

“We already operate 150 Kenworth T660s in our fleet. Teaming the fuel-efficient PACCAR MX engine with the aerodynamic T660 will help Costco attain additional fuel efficiency gains while also reducing emissions,” added Sarah Mogk, VP of Depot Operations for Costco.

The new MX engine, which will find its way into Peterbilt trucks later this year, has already managed to secure its share of awards, receiving the “Best Engine of the Year Award” at the Bus World Asia Exhibition in Shanghai, China.

 
 
 
 
 

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