Browse our inventory of new and used RUBBLE MASTER Crusher Aggregate Equipment For Sale near you at MarketBook.ca. Models include RM100GO!, RM100, RM90GO!, RM60, RM80, RM70GO!, RM120GO!, RM70, and RM80GO!. Page 1 of 3.The new RM flagship with an output of up to 350 t/h catapults RUBBLE MASTER into a new league. Thanks to the easy exchange of the impact plates the mobile crusher can be used flexibly in both the natural stone and recycling industry.The RM 60 is the most compact impact crusher available and the ideal choice for contractors and aggregate producers who are looking to process smaller quantities or excess materials. The 29,000 lbs machine can produce a variety of finished spec products.A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.