2017 Sundowner Trailers Stockman Special From the Manufactuer: Sundowner s Sportman is an all aluminum trailer that is built with today s budget conscious buyers in mind. The slant load bumper pull trailer is available in 2, 3 or 4 horse models. It has drop down feed doors on the head side and is fully enclosed with a huge 18 x 64 window that drops down on the rump side for increased air flow. ...