2009 Chevy Silverado 3500 Duramax Diesel Dually LT 4x42009 Chevrolet Silverado 3500hd Crewcab DuallyLMM Duramax Turbo Diesel. Allison Automatic transmission and electronic shift 4wd. Black exterior with black interior. LT Loaded out with all the power options. All stock... via V12 Software