Model 2009 tub grinder runs on 275-hp. John Deere electronic diesel engine, which is connected to heavy-duty mill by PT-Tech self-adjusting clutch with pushbutton start and built-in torque limiter and brake. Unit features self-cleaning rotary screen to protect engine and radiator. Machines 22-ft. stacking conveyor allows operator to load material directly onto a truck or onto a pile as high as 16 ft. Optional tub cover controls flying debris. Tub measures 9 ft. wide with 7 ft. dia. at base. Produces up to 120 cu. yds. of material per hr.