just in time for the best riding season of the year!!! 2013 bison stratus 8310 says "10" but short wall actually measures 11' all aluminum trailer. many upgrades- champagne color dual hydraulic jacks all three butt windows drop down extruded aluminum 1/2 way up diamond-plated enclosed front upgraded to 15 000 btu a/c upgraded convention microwave oven upgraded to jensen stereo/dvd player water heater is both gas & electric factory bridle hooks added under manger swing out saddle rack. everything works!