To provide an assembling carrying device capable of being used for an assembling line of an automobile.

This assembling carrying device is composed of a coupled carrying truck line 1 structured by coupling front and rear plural carrying trucks 3, 4 with each other by a coupling device 5 so as to travel on a horizontal turn path portion, a driving device for driving the coupled carrying truck line 1 to travel at a constant speed on a linear assembling carrying path, and a control device 14. Each of the carrying trucks 3, 4 comprises a vertically moving table 8 supporting work so as to be vertically moved, a worker riding portion 9 adjacent to the vertically moving table 8, and an operation disc 10. The control device 14 is enabled to automatically interlock and vertically move the vertically moving table 8 on each carrying truck 3, 4 to a specified level at a fixed position on the assembling carrying path, and to manually adjust the level of the vertically/moving table 8 on the basis of operation of the operating disc 10.