Vanguard National Trailer Corporation is releasing a newly designed version of its VIP 4,000 dry van trailer. The VIP 4,000 is offers a 100-inch interior width, 110-inch height, laminated oak flooring, 3/4-inch logistics posts on 16-inch centers, extruded aluminum front cover, and five posts in the front wall. The body of the trailer is framed with galvanized steel for added durability.