POWER TRANSMISSION DEVICE

The present invention provides a power transmission apparatus that is able to supply a sufficient amount of oil to a driven clutch plate attached to a pressure member. A power transmission apparatus includes: a clutch member connected to an output shaft 3 that is able to rotate a wheel of a vehicle; and a pressure member 5 movable between an operating position where driving and driven clutch plates are pressed against each other so as to enable transmission of a driving force of an engine to the wheel and a non-operating position where a pressing force exerted on the driving and driven clutch plates is released so as to cut off transmission of the driving force of the engine to the wheel. The driven clutch plates include: driven clutch plates (7a) attached to a second clutch member 4b; and a driven clutch plate (7b) attached to the pressure member 5. The pressure member 5 is provided with an oil flow passage through which oil is allowed to flow to the driven clutch plate 7b attached to the pressure member 5.