Abstract: A V-type engine equipped with a supercharging device, which comprises an engine body having first and second cylinder banks formed in the V-shape and a crank shaft disposed therein, a pair of camshafts disposed in the first and second cylinder banks, respectively, an endless belt engaged with each of one end portions of the camshafts and one end portion of the crank shaft in such a manner that the first cylinder bank is disposed on the tension side of the endless belt, and an engine-driven supercharger mounted on the engine body to jut out widthwise from the first cylinder bank and driven to rotate by the crank shaft through an additional endless belt engaged with the engine-driven supercharger and the one end portion of the crank shaft.