All manufactures have recalls, it is the new supplier business model.
The Duramax is built in Ohio, the Allison 1000 is made in Indiana and Maryland, the Cummins 6.7L is made in Indiana as is the 68RFE transmission. The Powerstroke is made in Mexico.
GM assembles their heavy duties in Michigan, RAM is Mexico, and Ford in Kentucky.
All three are capable pullers offering exceptional creature features.
Why do you guys always engage in a brand battle?