Abstract: A removable truck deck for use as part of a roll-off truck deck system. In one embodiment, the removable truck deck comprises a replaceable and interchangeable side fitting that may be locked at a desired position along the length of the removable truck deck. The side fitting may be used to provide a plurality of interchangeable attachments on the truck deck. One such attachment may include a pontoon permitting the truck deck to float when removed from the truck. A plurality of floating truck decks in abutting longitudinal series may be used to create a floating bridge. Other attachments include, wheels, cranes, winches, transverse partitions, tailgates, sidewalls, etc.