Generac CPR Premier 9.2 MS CP53037DMN The 11.5 is our smallest dedicated chipper, but it packs a serious punch. DR Self-Feeding design allows it to tear through branches up to 3.75” in diameter, and do it continuously...without bogging down the way underpowered “big box” machines do. Product Summary: 3.75" Chipping Capacity Built-in handle for easy maneuvering Optional pin-hitch for towing with lawn tractor or ATV DR OHV Engine; 11.5 Ft. Lbs. Torque Manual-Starting 14.5" x 23.5" Chipper Hopper Opening Hardened Steel PRO-SPEC™ Chipper Knife Weight: 164 lbs.