MTD Genuine Parts 50-Inch and 54-Inch Triple Bagger Fits 50" and 54" Troy-Bilt and MTD lawn tractors 10 bushel capacity Three-bag collection system includes mounting brackets, bag, hardware, three blades and installation instructions Vented nylon bags create airflow, reducing grass clogging in the oversized 8" diameter chute Assembly required, consult operator's manual for detailed instructions.