The FRED WC-8H hydraulic auto-feed chipper is a robust auto-feeding PTO driven wood chipper attachment that mounts to the 3 point hitch of your tractor. This PTO wood chipper machine is compact, yet built to withstand commercial use. Dual powered in-feed rollers grab and pull material into the chipper head using two powerful hydraulic motors. These motors are powered by the chippers’ self-contained hydraulic pump and tank. High quality CR-12 knives are standard equipment on all WCH,DH,WCM and BX series wood chippers. These chippers are so unique and innovative that they are now patent pending