The mixer drum is either driven by the truck engine or by a separate power take off device.
It mixes material by itself or be mounted on truck to use as a concrete mixer truck.When the concrete drum rotates clockwise, the concrete is stirred, and when it is rotated counterclockwise, the concrete is discharged.
The whole mixing system of Concrete mixer drum includes mixing tank and bearings, out of the hopper, hydraulic system and reducer, water tanks and pipelines, operating linkage agencies.