Right? The 2010 - 2026 HD are all 4th gen trucks. Generally speaking, cab and chassis changes determine generations. There can be several engine changes/updates within a generation. For example, the 3rd gen Ram had two engines (5.9L and 6.7L). I think I have this correct:You mean 4th gen still lol
1st gen (1981 - 1993), 12 years
2nd gen (1994 - 2002), 8 years
3rd gen (2002 - 2009), 7 years
4th gen (2009 - present), 17 years
5th gen (2019 - present) 1500 (DT) only, 7 years