I was kinda thinking '04.....but I was not for sure. I have a question for you GeorgiaGrass.......I would like to know some measurements of the bed on your cab-over. From the top of the Dovetail to the bottom of the ramp, could you tell me the overall length? Also, could you measure from the ground to the top of where the dovetail begins? I am in the progress of making a bed similar to yours, and would like to make sure my walkers and navigator would make it up the ramp/dovetail easily. Thanks For any help!!