luft trailer sales inc. 2024 sundowner trailers livestock bumper pull stockman express 16� the stockman express is the newest addition to our already popular stock trailer line-up. in 12� 14� and 16� lengths the new express series is built with the same quality and standards people have come to expect from a sundowner. loaded with features such as heavy duty fenders 4� i-beam cross members on 12� centers slam latch gates 2 side access doors and a 4� raised nose. the express offers the features you want at a price everyone can afford. as always we stand behind our product with a 3 year hitch to bumper warranty and 8 year structural warranty.