Peterbilt adds CARB low NOx-compliant MX-13 for Class 8 models

Peterbilt Motors has announced the availability of a Paccar MX-13 engine meeting the California Air Resources Board low nitrogen oxide (NOx) threshold for Models 567, 579, and 589. It aligns with the CARB Omnibus Regulation and features redesigns of internal hardware and the aftertreatment system to effectively reduce NOx emissions. A larger volume aftertreatment system includes an innovative compact twin…

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