24ft x 7ft 8 in. Airstream chassis. The back wheels are currently just lent up against the rear axle because it is easier to move around the back yard with just 2 wheels bolted on. It is off a 31ft 1977 Airstream Excella. It has the air brakes from that era. I cut the back rusted part off, thats why it is only 24ft. It could be rebuilt for an Airstream, used as a utility trailer, tiny house or multiple other uses.