Operation of the wood chipper shredderis very straightforward. You just increase the speed of the engine until the chipper is running at 540 rpm, then place wood, branches etc into the feed hopper. A feed roller pulls the wood in to the chipping blades, and the chips come out of the output chute. If you push against the safety bar, the feed roller immediately stops and stays static until actively re-enabled. It is also impossible to get yourself near the feed roller or chipping blades. MODELWC -6WC -8DIMENSIONS (L×W×H)1680×1400× 1620mm1680×1400× 1620mmSTRUCTURE WEIGHHT370kg380kgRADIUS OF BLADE DISC302mm302mmCHIPPING DIAMETER150mm200mmWORKING EFFICIENCY7 -8 m³ /h8 -9 m³ /hPTO TURNNING SPEED540r/min540r/minPTO SPLINE6×8× 520mm6×8× 520mmPOWER REQUIREMENT25-35hp30-55hp