Portable crushers are rugged and versatile, offering solid performance in processing bulk aggregate, mineral, and ore materials for high-volume lab testing, pilot-plant, and small production operations. Models are available powered with gasoline or electric motors. Jaw Crusher and Hammermill models can be used independently, but also work efficiently together as primary and secondary crushers for the reduction of bulk materials from 8in (203mm) to finer than No. 35 (0.5mm) sizes.