The new Junkkari HJ172 chipper is suitable for chipping trees less than 17 cm in diameter. It is mounted to the tractor’s 3-point linkage and powered by the PTO shaft. It has a feeding angle of 45 degrees to the disc. The new infeed chute is longer, more open and the control of infeed is done by electric buttons. No-stress rotation guard comes as a standard. Junkkari HJ172 fulfills all requirements of the upcoming new chipper safety standard.