There is "new" technology being used in Cummins engines called "Torque Management." I first learned about it When I bought my new Ram with the HO engine and power was limited in the lower gears. The same was true in my 2015 Palazzo, and now my DSDP.
After reading up on this issue, it is due to the EPA technology being forced on all diesel trucks and motorhomes (2010 Clean Air Act) which was required to sell these products here and in Canada. Basically if your vehicle uses DEF, it will have torgue management. This makes later hp/torgue numbers a bit meaningless when compared to non def using vehicles.
Clean air has a price.
Dar
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Dar & Carolyn
2017 Newmar Dutch Star 4369
2018 Grand Cherokee Limited 4x4, Hemi
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