Troy-Bilt CS4325 250cc Chipper Shredder Powered by a 250cc Briggs & Stratton OHV engine to help you get the job done This 2-in-1 chipper shredder offers a 3" chipping capacity Features two chromium steel chipper knives and twelve replaceable cast steel flails to efficiently get the job done With the 10:1 reduction ratio capabilities, turn 10 bags of debris into one Extra-large 5-Bushel felt lined collection bag for easy clean up