Paccar MX engineearns EPA certification

The Environmental Protection Agency (EPA) has certified the Paccar MX 12.9-liter diesel engine to the 2010 emission standards. The MX engine certification and compliance with EPA 2010 emission regulations allows this engine to be installed in Kenworth and Peterbilt vehicles in North America, effective immediately.

The engine is available with a range of 380 to 485 horsepower and torque up to 1,750 ft-lb. MX engine production in North America begins this summer at Paccar’s new engine facility in Columbus MS. The MX engine has completed more than 50 million miles in a testing program. In addition, the engines have successfully completed evaluation in hot and cold temperature extremes, high altitudes, and difficult vocational applications.

Paccar previously announced the use of selective catalytic reduction (SCR) with its MX engines to meet the nitrogen oxides (NOx) requirements for the 2010 EPA diesel engine emissions regulations.

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