The HF-70 low RPM grinder is Cresswood Recycling Systems largest machine. It is built for “dump-and-go” operations with a top-feed design. The grinder features a 70-inch by 20-inch rotor, large hopper and expanded cutting chamber and grinds at between 50 to 150 rpms. It produces a finished regrind to a predetermined particle size for reclaim, resale or recycling.