To provide a recycling machine capable of efficiently cleaning the inner part of a power unit.

A crusher has a crushing device 13 for crushing a material to be crushed, a feed conveyer 12 for supplying the material to be crushed to the crushing device 13, and a discharge conveyer 3 for discharging the crushed material by the crushing device 13, wherein a power unit 4 having an engine 50 and a cooling device 51 is arranged above the discharge conveyer 3 and a discharge door 70 is switchably arranged on the bottom surface of a cover 60, surrounding the power unit 4 from outside, to be positioned above the discharge conveyer 3.