Profile: Prairie States Sales is a manufacturer of construction and mining equipment. Our brands include Loadrite™ and Techweigh™. Our onboard weighing system allows the operator to switch between two languages at the push of a button. It has error alarm sounds to alert the operator if uneven surfaces or speeds affect the weight accuracy. The WF18 is a stainless steel, food-grade weigh belt feeder for precise weighing, blending and metering. These sanitary weigh belt feeders have a long history in the potato industry.