Because I just did. I just test drove an '03 2500 Ram. 4x4 Cummins with the 5600 tranny. I LOVE IT! I WANT IT! It can be mine for 23K and it only has 54K miles on it. That was the best feeling I've ever had. Let me reiterate, I WANT THIS TRUCK BECAUSE I AM IN LOVE WITH IT! Here it is: I WANT THIS!!!!