12 10 ins for carriages, 2002 C & C, back and side ramp, awning, roof rack hay storage, roof vents, approximately. 27ft on floor, 13 11 ins in horse area, 4 feet tack or harness area, electric jack add your own battery. Electric plug set up for kenworth truck. Great trailer for drafts or diving horses. 3 horse, gooseneck trailer, room for carriages in the back.