2011 Zieman S-1, We sell Zieman, FE, Trailrite, Triton, Carson, Karavan and more! 714-842-5533 - Zieman designs and manufactures one of the most respected and recognized lines of watercraft trailers. Our broad exposure and acceptance within the marketplace has made Zieman the preferred choice with dealers and customers alike. For hauling your single watercraft, the S-1 combines quality with value. This popular trailer features a marine axle for corrosion protection and is fully submersible.