This one got away, but check related items for something similar.
Enclosed Box trailer - previously used for car transport, recently superbike/motorbike transport. Inbuilt workshop Underfloor storage 240 v lights electric brakes aircon **measurements explained in image. manufacturer - race American Tare 2240kgAggregate trailer mass 3500kg Axle 3500kg Van towing - currently for sale also on Car sales. $32,000