IMPACT ROLLER TECHNOLOGY INC, IR15 Crusher, Concrete, impact roller technology inc. ir15 impactor 2000, break up concrete at 7 miles per hour (1560 tons per hour) crush roads,floors,airport runways etc... fast,tow behind a tractor,loader etc... and get the job done fast, pays for itself on one big job,save time ,labor ,comes with scarifier,can also use to compact,fill,soil,base material etc...,reduced price $70,000 delivery available, Attachment, Serial Number: KG94R5002