5-speed automatic transmission (REQ: EZC Engine)
Aux transmission oil cooler
6-speed manual transmission w/OD
6-speed automatic transmission w/OD -inc: aux trans oil cooler, tip start (REQ: XCK Processing Code)
TorqShift 6-speed automatic transmission w/OD -inc: select shift, tow/haul mode
6-speed automatic transmission -inc: select shift, tow/haul mode, large plastic urea tank & gauge, exhaust brake (REQ: 99T Engine)
TorqShift 5-speed automatic transmission w/OD -inc: tow/haul mode (REQ: 99Y Engine)