WORKING MACHINE

A working machine (1) includes a vehicle body (2); a traveling device (6) that supports the vehicle body (2); a drive (7) that drives the traveling device (6); and a cabin (5) that accommodates an operator seat (4). The drive (7) has a drive motor (21) that drives the traveling device (6); a fuel cell (22) that supplies electric power to the drive motor (21); a controller (23) that controls power supply from the fuel cell (22) to the drive motor (21); and a hydrogen tank (25) that supplies a hydrogen gas for fuel to the fuel cell (22). The hydrogen tank (25) is disposed in an upper portion of an internal space (S1) of the cabin (5).