The invention discloses an automobile engine which comprises an engine body, a
crankshaft and an air conditioner generator. The air conditioner generator comprises a
stator and a rotor and is placed on the front portion of the automobile engine and driven by the
crankshaft of the automobile engine, and the axis of the
stator of the air conditioner generator is coaxial to the axis of a main shaft neck of the
crankshaft of the automobile engine. The automobile engine can supply power to vehicle-mounted air conditioner systems, and the air conditioner generator is arranged at the front end of the crankshaft of the automobile engine. The automobile engine requires no belt for driving and is simple in structure and convenient for the vehicle-mounted air conditioner
system to adopt the whole distribution structure.