and exhaust back pressure sensor. Despite these issues, many owners report getting well over 300,000 miles out of their 7.3 Power Stroke engines. Cummins 5.9 engines can easily go that long or longer.

Cummins engines were dominant in agriculture long before their debut in heavy-duty trucks. The 12-valve 5.9-liter Cummins I-6 engine was developed and installed in Dodge pickups starting in 1989 ...