inbuilt jaw and cone crusher in single trailer. From rugged scalping screens to roller bearing cone crushers, jaw and impact crushers, horizontal and incline screens through ... crushers, heavy-duty feeders/screens, recycle and portable plant designs. ..... component is removed, inspected and. Jaw crushers are used mainly in first stage, primary crushing applications and are ideal for use in quarries and recycling demolition operations. The two main types of jaw crusher produced by Parker are both single toggle designs with the up-thrust toggle RockSizer / StoneSizer model and down-thrust toggle RockSledger model.