Dr chipper shredder may be small, but don’t let its size fool youthis is one tough machine that will devour 3″ branches and shred yard and garden waste up to ” in diameter. Reduces weeds, leaves, prunings, sticks, pine cones, and more to a fraction of their original volume. Then add the byproduct to your compost or till into your garden in the fall. 3″ chipping capacity, 1/2″ shredding capacity, 8 free swinging shredder hammers, built in handles for easy maneuvering, briggs & stratton ohv engine, manual start, 7.25″ x 7.5″ chipper hopper opening, 18.5″ x 12.75″ shredder hopper opening, wheels: 9″ x 3.5-4″, 2 year warranty in residential use, 90 days commercial.