We have built a 2 bin grain trailer that is designed to be pulled behind your pick up truck. Its capacity is 410 bushel (plus or minus) 24K GVW Goose Neck. Please go onto www.gntrailers.com and click grain trailer to check it out. Its handy and its quick and you don't have to maintain and insure a truck that sits in the barn most of the year for the mice to build nests in!! You can haul grain, seed, ferilizer, etc........