PACCAR updates MX-11 and MX-13 engine software to new EPA guidance
On July 7, PACCAR announced that Peterbilt Motors Company and Kenworth Truck Company will implement updated software for vehicles equipped with PACCAR MX-11 and PACCAR MX-13 engines, reflecting revised U.S. EPA guidance on Diesel Exhaust Fluid (DEF) inducements. Trucks manufactured after July 20 will have the softwar....
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