Auxiliary machine mounting structure of fuel cell vehicle

A structure for mounting auxiliary machines of a fuel cell vehicle, which includes a motor (19), a power supply unit (16), and auxiliary machines (31,35,36,37,38), provided in a motor compartment (11) of the fuel cell vehicle. The motor (19) is disposed at a lower part in the motor compartment (11). The power supply unit (16) is provided above the motor (19). The auxiliary machines (31,35,36,37,38) are mounted on a frame member (20) which extends in a vehicle transverse direction in front of the motor and the power supply unit (16).