Summary: A new automatic transmission is available for the Ram HD.
ST, SLT, Laramie 2-door standard-cab; 4-door crew-cab; SLT, Laramie 4-door Mega Cab pickup
5.7L V-8; 6.7L Turbodiesel I-6
What’s New for ’12
A new 6-speed automatic transmission is standard with the 5.7L V-8 engine, replacing the previous 5-speed automatic.