by Courtney Davis | Apr 15, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair
The PACCAR MX-13 engine, used in Peterbilt and Kenworth trucks, is known for its fuel efficiency, long service intervals, and smooth performance. The 2011–2012 models marked an early generation of the MX-13 with EPA 2010 emissions compliance, including Selective...
