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PACCAR Releases MX-11 and MX-13 Engine Software Updates Following EPA Derate Change

By Tyler Williams on July 8, 2026 Emissions Standards,Engines,Kenworth News

Read Time: 2 Minutes | PACCAR just announced that Kenworth and Peterbilt will both implement software updates for trucks equipped with MX-11 and MX-13 engines that reflect the EPA’s newly revised guidance on Diesel Exhaust Fluid (DEF) inducements.

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Kenworth Expands TX-12 Automated Transmission to Medium Duty Trucks

By Tyler Williams on July 15, 2025 Kenworth News,Transmissions

Read Time: 2 Minutes | Kenworth is expanding its availability of the Paccar TX-12 PRO automated transmission. Ranging from Class 7 to light Class 8 vehicles, this vocational transmission is available in medium duty trucks, like the Kenworth T380 and T480, when matched with the Paccar PX-9 engine.

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Posts tagged ‘Paccar’