To provide a suction type pneumatic transport machine capable of preventing foreign matter from being mixed into a casing and providing excellent workability when performing maintenance.

This suction type powder transport device 1 is constituted in such a way that the inside of the casing 2 is evacuated through a bug filter 6 by a suction pump 7, powder 41 is sucked into the casing 2 through a powder inlet 4 and is stored, and then pressure inside the casing returns to atmospheric pressure to deliver the powder 41 from a discharge port 3. An upper opening part of the casing 2 is covered with a separation plate 11 having a communicating hole 12 and its upper part is covered with a lid body 21 having an exhaust port 22. The suction pump 7 is fixed on the lid body 21, and a filter mounting part 31 for mounting the bug filter 6 is provided on a lower face of the separation plate 1.