Cut up to 6" diameter of brush. No clean-up, machine works just like a chipper. Side mount is hydraulically drive, the rear mount is PTO driven. Head arc is 180°. Cutter heads are 3/16" bonnet and 1/2" drive side. Cutter head widths & weights are 60" s.m. -1040lbs, 75" s.m. - 1146 lbs, 90" r.m.-1442lbs, 102"r.m.-1500lb.