The 2010 Dodge Ram 2500 is all-new for 2010 and is available in five distinct trim levels: ST, SLT, TRX, Power Wagon and Laramie. Each trim level has a unique appearance and offers different levels of equipment and options. The new Ram Heavy Duty features new suspension and C-pillar hydra mounts for an improved ride. When equipped with the 6.7-liter Cummins Turbo Diesel engine, the Ram Heavy Duty offers the only standard exhaust brake in the segment