wood chipper: 1,discharge hood rotates 306. 2,Larger diameter rotors provide faster fan blade tip speeds 3,4 capacity. wood chipper JW-TB-400 4"Capacity (TB400) Four high grade, hardned tool steel reversible baldes for extended life & increased performance Four blower paddles combined with the air intake holes increase blowing capacity Discharge hood rotates 360° Direct drive - no high ...