Worm Gear SnowThrower Craftsman 2 Duel Stage snowblower-Brass 51405MA 204167 NEWWorm Gear SnowThrower Craftsman 2 Duel Stage snowblower-Brass 51405MA 204167 NEW. Flip Manufacturing part number. 536886180 8 Hp Snowblower. 536886120 5Hp 22 Snowblower. 536882502 22 In-5 H. 536882501 22 In -5 H. 536886190 8.5 Hp 26 Dual Stage 120V Electric Start Snow Thr. 536888400.