The new 2013 Ram Heavy Duty line features best-in-class towing and best-in-class Gross Combined Weight Rating (GCWR). Ram 2500 and 3500 Heavy Duty trucks also add new features, including an all-new interior, next-generation Uconnect Access, Powernet, new frames and new suspension. The new 2013 Ram Heavy Duty further solidifies the long list of leadership claims,