[rhagfo]

Originally Posted by JRTJH

The 2012 RAM diesel is the last year that RAM did not require DEF. Many people have "migrated" to that year as it was the last of the "non DEF trucks"...
https://www.google.com/search?source...30.syBcN4YX2-c

Originally Posted by Fishsizzle

Cool did not know that.

International claimed they could keep the 6.4 away from DEF, and it didn’t work. Ford Moved on.

Do the 2013+ Cummins have problems with their SCR?

Well 2012 was the last year before Ram up their towing numbers also! The DRW went from 12,300# Max to 14,000# max. The SRW 3500 went from 11,500 to 12,300#.