The Powermix Pro popular range of complete diet feeders comprise of four models with a single vertical auger and have a capacity from 9m³ to 15m³. The uniquely designed central auger carries out two main functions of chopping and mixing. The Chopping function is carried out by a series of blades fixed to the auger combined with stationary blades mounted to the corners of the tub. The mixing is by the auger lifting the mixture up the centre if the tub and down the sides of the tub and continuing the cycle until the desired mix is achieved.