2021 sundowner trailers cargo gooseneck 8" x 24" the sundowner cargo gooseneck is truly the preferred commercial grade cargo trailer. its lightweight all aluminum construction is engineered and built tough for years of trouble free use. as always full customization is welcomed. this commercial cargo embodies the superior quality sundowner customers have come to expect all backed by the industry leading 36 month hitch to bumper and 8 year structural warranty.