6-speed automatic transmission w/OD
HD trailer tow pkg -inc: class IV hitch receiver, wiring harness w/4-pin & 7-pin connector, HD aux transmission oil cooler, HD radiator, electronic braking wiring kit, trailer sway control
Transmission, 6-speed automatic -inc: electronically controlled w/OD
Brake transmission shift interlock
Auxiliary cooler -inc: HD air-to-oil aux transmission oil cooler