Generac G384173 3-Inch Gas Powered Chipper Shredder - 50 State/CSA Compliant 208cc OHV engine with low-oil shut down 3" chipping capacity, 1/2" shredding capacity 8 Free-Swinging Shredder Hammers Hardened Steel PRO-SPEC Chipper Knife 2.5 Bushel collection bag