Utility vehicle

A utility vehicle including a convertible cargo, comprising:

• a vehicle frame;
• a cargo box that is supported by the vehicle frame on a vehicle rearward side and is composed of a front door, a rear door, a left door, and a right door;
• and
• a rear seat device supported by the vehicle frame forward of the cargo box,
• including
• a seat bottom supported by the vehicle frame, and
• a seat back that includes a first lateral swinging shaft that extends in a vehicle lateral direction and is supported by the vehicle frame, a seat back frame that swings about the first lateral swinging shaft between an upright position and a horizontal position at which the seat back frame overlaps with the seat bottom, and a seat back main body attached to the seat back frame,
• the front door swung forward to be in a horizontal orientation and the seat back frame in the horizontal position define the expansion floor by which the cargo floor is expanded in a forward direction, and in this case, the cargo floor, the front wall in the horizontal orientation, and the seat back frame in the horizontal position are aligned in a vehicle front-rear direction.

A utility vehicle including a convertible cargo, comprising:

• a vehicle frame;
• a cargo box that is supported by the vehicle frame on a vehicle rearward side and has a front door and a cargo floor, wherein the front door is swingable between an upright orientation and a horizontal orientation and the front door in the horizontal orientation overlaps with an upper face of the cargo floor;
• and
• a seat device supported by the vehicle frame forward of the cargo box,
• the seat device including
• a seat bottom supported by the vehicle frame,
• a seat back that includes a first lateral swinging shaft that extends in a vehicle lateral direction and is supported by the vehicle frame, a seat back frame that is swingable about the first lateral swinging shaft between an upright position and a horizontal position, and a seat back main body that is attached to the seat back frame and overlaps with the seat bottom when the seat back is in the horizontal position;
• the seat back frame in the horizontal position defines an expansion floor by which the cargo floor is expanded in a forward direction, and
• the seat back main body overlaps with the seat bottom by swinging the seat back frame to the horizontal position.