This portable horizontal grinder is powered by a rebuilt 630HP CAT Diesel engine. This grinder has approximately 4,885 hours of use, but only 350 hours of use on the rebuilt CAT engine. This unit has a duplex drum, new clutch, new turbo, & new pumps. 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!!