TorqShift 5-speed automatic transmission w/OD, tow/haul mode
6-speed automatic transmission w/OD
HD transmission oil cooler
6-speed automatic transmission w/OD (N/A w/LMM Engine)
6-speed automatic transmission w/OD -inc: HD oil cooler (REQ: LY6 Engine)
6-speed automatic transmission w/OD -inc: HD oil cooler