DESCRIPTION 2006 GMC 3500HD Silverado 4x4 Pickup (JN0629), regular cab, Vortec 6.0L gas engine, automatic transmission, heat, air conditioning, Am/Fm radio, power windows, locks and mirrors, ag hitch, LT275/70R18 tires, shows 147,233 miles. Serial Number: 1GT322CG46Z137079 Notes: