This portable horizontal grinder is powered by a rebuilt 630HP CAT Diesel engine. This grinder has approximately 5,155 hours of use, but only approx. 273 hours of use on the rebuilt CAT engine. This unit has a duplex drum, magnetic head pully, new clutch, new turbo, & new pumps. New parts have approximately 400 hours of use on them. The duplex drum gives your hammers more protection creating less maintenance and the cutter and hammer blocks are reversible which doubles your hammers use time. It can be used to process pallets, hardwood, trees, C&D, and much more. This grinder can be demonstrated, call today for more details!!