Husky Fixed Ball Platform Gooseneck Hitch. 25,000 lb. capacity, without base rail. (Do not exceed vehicle manufacturer weight capacity.) Husky's gooseneck trailer hitch ball platform is used to tow trailers that use a gooseneck coupler such as livestock trailers and farm equipment trailers. These hitches feature safety chain attachments and 2-5/16" ball. 31323 base rails required; purchase separately. We recommend you have this product installed by a professional dealer.MFG# 31368 Upc# 088805313686