The “TRITONE MAXI P.T.O.” of Ceccato Olindo is a P.T.O. bio-shredder semiprofessional, suitable for shredding large quantities of vegetable waste. The “TRITONE MAXI P.T.O.” entired made in Italy is equipped with a large loading hopper to facilitate the insertion of vegetable waste branched and a discharge outlet at one meter height from the ground. It is equipped with three-point connection for the tractor and a gearbox connected to the shaft, a mass that cuts with two main knives and 8 chipper knives inside. The transmission between the gearbox and the cutting mass is due to a drive belt. Having two fixed interchangeable blades, just like large size professional shredders have, makes it the number one in its category. Rotating blade and 2 fixed blades in fact make it easier to cut and decrease the effort of the motor and therefore increase the effectiveness the speed of the work of the machine. The “TRITONE MAXI P.T.O.” complies with EC regulations on work safety.