In addition to respectively reducing up to 3, 4, and 5 in. dia branches into woodchip mulch, Chipper with Shredder models 9.5 , 11.5, and 21.0 separately shred up to .5, .75, and 1.5 in. dia yard/garden waste. Entry model (9.5) includes 2.5 bushel debris bag, and 21.0 model has self-feeding technology. Respectively, 11.5, 16.5, and 21.0 Self-Feeding Chippers consume up to 3.75, 4.75, and 5.75 in. dia branches. With PTO shaft, 3-Point Hitch self-feeding chipper has 4.75 in. dia branch capacity.