To provide an industrial washing-dehydrating-drying machine which can carryout washing, dehydrating, and drying operation in a series of operation.

This washing-dehydrating-drying machine has a washing tub 2 comprising an outer tub 5 and a rotary drum 6 into which a water feed pipe 14 and 2 water drain pipe 19 are connected. Further, a hot air feed duct 25 for hot air deeding and an exhaust duct 26 are connected to. A rotation speed and a rotation direction of the rotary drum 6 are suitably controlled under control by a controller 36 to enable washing, dehydrating, and drying processes by a series of motion. Thus the washing-dehydrating-drying machine is extremely useful when used for business because manual labor is reduced and a setting space can be saved.