Brand New MTD 42 in. 3-Stage Snow Blower Attachment For Troy-Bilt Super BroncoBrand New MTD 42 in. 3-Stage Snow Blower Attachment For Troy-Bilt Super Bronco Riding Lawn Mowers (2015 and After). Fits Cub Cadet XT1 and XT2 lawn and garden tractors 2015 and after Innovative 3-stage technology clears snow up to 25% faster than.