Originally Posted by
hotdog88gt
I thought so too, which is why I ask the question. I'm looking at a 2008 Expediton with HD trailer tow on the window sticker, and axle code '15' on the door sticker. I asked the dealer on the phone for the axle code and he came back with '15'.
HD package can be had w/ 3.31 or 3.73 on a standard length expedition.