Overhead transport vehicle and overhead transport vehicle system

This overhead transport vehicle (6) is provided with: a travel unit (18) that can travel along a rail (4); and a lifting unit (30) that has a jig (30A) that grips an FOUP (10), and that is lifted relative to the travel unit (18) by means of a suspension member (28A). The overhead transport vehicle (6) is provided with a main body controller (50) which is provided in the travel unit (18) and controls each part of the overhead transport vehicle (6), and a vibration detection unit (55A) which is provided in the lifting unit (30) and detects vibration generated in the lifting unit (30). And a vibration monitoring unit (55B) which is provided in the elevating unit (30), determines whether or not the detection result of the vibration by the vibration detection unit (55A) is within a preset allowable range (R), and outputs the determination result to the main body controller (50). 本发明的高架输送车(6)为具备能够沿着轨道(4)行进的行进部(18)，以及具有把持FOUP(10)的夹具(30A)、并且通过吊持构件(28A)而相对于行进部(18)升降的升降部(30)的高架输送车(6)。高架输送车(6)具备：设置在行进部(18)中、控制高架输送车(6)中的