To provide a hydraulic joint capable of cutting off a communication path communicating with a pressure oil flow path without using a selector valve.

This hydraulic joint connected to the pressure oil flow path 36 comprises, at one end, a pipeline connection part 61 connecting a hydraulic pipeline 58 and, at the other end, a path cutoff part 66 cutting off a communication path 38 communicating with the pressure oil flow path 36 when inserted in the pressure oil flow path 36.