To provide a vehicle V-engine further enhancing the performance of a vehicle.

A compressor 19 and an alternator 20 are mounted on both sides of one axial end of a crankshaft 2. Gear type transmission means 13, 66 and 67 for transmitting the power of the crankshaft 2 to the compressor and the alternator, and transmission means (chain 54, timing chain 55 and the like) for transmitting the power of the crankshaft 2 to the intake and exhaust camshafts 26 and 27 of a cylinder head 2, are disposed at the one axial end. The engine is mounted in the vehicle body with the one axial end located at the center of the vehicle body.