Fiat is all you need to know
Really... Do tell us of your Fiat engine experience.
It is also common knowledge that Ram Trucks rejected the Cummins engine version when putting together a 1/2 diesel.
I do have some experience myself with Fiat diesel engines. Many farmers do, as they are in 100's of thousands of heavy duty tractors.
The one I have has been pretty bulletproof, powerful, constant, and reliable.
In January 2013 Fiat Powertrain Technologies was incorporated in Fiat Group Automobiles.
FPT Verrone plant.
The company had activities in nine different countries, it had 10 plants and around 20,000 employees.With output of around 2.9 million engines and 2.4 million transmissions and axles annually, Fiat Powertrain Technologies is one of the largest companies in the powertrain sector.
https://en.wikipedia.org/wiki/Fiat_Powertrain_TechnologiesIt ain't the car companies fugging things up. It's the government, with their emissions requirements and mandates.