What engine is the best cummins or Detroit?

The choice between Cummins and Detroit engines largely depends on specific application needs, maintenance preferences, and performance characteristics. Cummins engines are often praised for their fuel efficiency, reliability, and wide range of options for various applications. Detroit engines, on the other hand, are known for their power and torque, particularly in heavy-duty applications. Ultimately, the "best" engine will depend on the individual requirements of the user and the specific vehicle or equipment in question.