TorqShift 10-Speed Automatic -inc: SelectShift and selectable drive modes: normal, tow/haul, eco, deep sand/snow and slippery
TorqShift-G 6-Speed Auto w/OD -inc: (6R100), SelectShift and tow/haul mode
Transmission, 6-speed automatic, heavy-duty (Requires (L8T) 6.6L V8 gas engine.)
Cooling, auxiliary external transmission oil cooler