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4th Gen Ram Tech2009 - 2018 Rams and the 2019 Ram Classic: This section is for TECHNICAL discussions only, that involve the 2009 - 2018 Rams and the 2019 Ram Classic. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Technically this transmission is a six speed but it chooses the second gear based on the tow/haul setting. Does it shift through six gears, no; does it have six forward gears, yes.
It has 2 2nd gears, one for accelerating from a stop, 1.67 to 1, the other (prime 2nd) for downshifting. 1.5 to 1. In drive it will start in 1st, 3 to 1, then 1.67 2nd gear, then 1 to 1 third, on to .75 4th gear and .67 5th. Shift it manual, or tow haul, it will go 1st, 2nd, 2nd prime, 3rd, and 4th.