The mixer of this concrete truck are connected tightly with 4.5t dump truck classis with 2 U-bolts and special shim, and consists of concrete truck, its main use is to transport mixed concrete quickly and in time to appointed places. Is also can be used as mixer.This machine no need external drive, barycenter and structure of which is optimized design, it has an artistic appearance and can be operated stably. The hydraulic components selected high quality products that produced by state key enterprises, the mechanical parts has a rational structure, easy operation, stable and reliable performance. The mixer will turn continuously during its forwarding period, and will not appear cement mortar dispersing and sediment, to guarantee the cement mortar quality during the transporting period.