The Merry Commercial chipper-shredder model 12PHT by MacKissic has a 34-inch wheelbase for easy towing. The tool steel knife mounted on a balanced flywheel combines for total rotor weight of 40 pounds chewing limbs up to 3 inches at a rate of 10 feet or more per minute. Twenty-four reversible hammers pulverize lawn-and-garden debris to create mulch and compost. Four-position baffle discharge and centrifugal clutch facilitate no-load starting. Powered by Briggs & Stratton or Honda commercial engines.