Sundowner Aluminum car trailer 4000 AP20. Ramps enclosed behind doors on rear of trailer. All aluminum construction with 2 4000# torsion axles, removeable fenders, trailer box, 6 tie downs and electric winch with battery, remote and wired controls. Bearings repacked and new grease seals earlier this year. remarkably light for such robust construction. Google Sundowner 4000AP20 for all of the specifications.