Mobile rock crusher has two different types according to the way they move. These are tracked crushers and rock crushers operating with pulling . Portable Rock Crusher For Sale. Portable rock crusher is ideal for crushing hard metals such as gold, copper and hard materials such as steel, iron, glass, coal, asphalt, gravel, concrete.Crushers for Sale Buy and sell unused and used Crushers at IronPlanet. Whether looking for a Cone Crusher, Impact Crusher, Jaw Crusher or other various type, IronPlanet offers several makes and models that can help efficiently and effectively complete your task. Browse popular models from top manufacturers including Cedarapids Crushers, Metso Crushers and others.