Goossen Model SB3500 ensures fast, even, and quiet mulching. Enables 2 operators to mulch 4 to 8 bales per min., within 360 range of operation. Runs on 31-hp. gas engine with electric start. Boasts automatic belt tensioning, which eliminates need for gearboxes. Options range from high-density poly blower liner to 2-wheel, 6- by 10-ft. trailer. Harper Industries, Inc., Harper, KS