Transmission, 6-speed, electric automatic -inc: overdrive and tow/haul mode, driver shift control, manual shift mode
Cooler, auxiliary, external transmission oil cooler, heavy duty air-to-oil
Transmission, 4-speed automatic, electronic variable automatic
6-speed automatic transmission (AWD) -inc: driver shift control, flat-tow capability
6-speed automatic transmission (FWD) -inc: driver shift control, flat towable