Originally Posted by
SMIGGS
Besides the "raised" hood and different headlights, ( which you state are on production SD's ) there is nothing different from the "development mule" and what you can go buy off the lot today.
As for using the PowerStroke "name", I don't know how beneficial it would be for Ford to use that name. ( and depending if Navistar owns it )
the test mules are just slapped together to make them road legal, look how out of place the bumper is, holes in the grill, holes in the fender, all stuff you don't see on the trucks out at the dealer lots.