Fuel tank

A fuel tank comprising:

• a tank panel in which a storage space of a fuel is formed;
• a tank inlet fixed to the tank panel;
• and
• a tank cap that allows the tank inlet to be opened and closed, wherein
• the tank inlet includes
• an inlet plate which has a bottomed cylindrical shape and to which the tank cap is attached,
• an inlet pipe that protrudes from a bottom wall of the inlet plate into the storage space, and
• a separator configured to separate the fuel entering from the storage space into a liquid component and a gas component,
• the separator is supported by the bottom wall of the inlet plate in the storage space and comprises a gas-liquid separation chamber, and
• the separator is disposed on an outer side of the inlet pipe and on an inner side relative to an outer edge of the inlet plate in a bottom view of the tank inlet,
• the tank cap includes an in-cap separator configured to separate the fuel entering from the storage space into the liquid component and the gas component, and
• a gas-liquid separation chamber of the in-cap separator is in communication with the gas-liquid separation chamber of the separator through a communication hole formed in the bottom wall of the inlet plate,
• a breather pipe, configured to discharge the gas component of the fuel is in communication with the in-cap separator, and
• the breather pipe is connected to the bottom wall of the inlet plate at a position separated from the separator.