Cummins 5.9L I6 HO 600 Turbocharged and 4WD. Heavy-Duty Worker! Tried and True champ! This stout 2007 Dodge Ram 2500 is the truck that you have been searching for. Don't get stuck in the mudholes of life. 4WD power delivery means you get traction whenever you need it. New Car Test Drive said it ''...boasts high levels of refinement and comfort. It's smoother and more comfortable...Its interior is more convenient than before and the bold exterior styling looks terrific...''