Novel concrete mixer

A novel concrete mixer comprises a mixing system, a transporting system and a lifting system. The mixing system adopts a free-fall type concrete mixer which mixes counterclockwise and discharges counterclockwise; the lifting system is composed of a lifting frame, an unloading hopper and a hoist mechanism; the mixing system and the lifting system are installed on a small size four wheel tractor chassis of the transporting system and a small size diesel engine is used for providing powder. The invention has good stability, and high reliability, is driven by the diesel engine, gets rid of area restriction lack of 380V electric powder and is suitable for complicated buildings, closed reinforcing bars and narrow places.