Dan Upschulte, Helping Spec Your New 3000R and 4000DX! Gallery Dan Upschulte, Helping Spec Your New 3000R and 4000DX! Meet-the-Team, Semi-Trailer Blog Dan Upschulte, Helping Spec Your New 3000R and 4000DX! 2023-04-09T09:13:14-04:00Meet-the-Team, Semi-Trailer Blog|