TECUMSEH -USED-Dual Shaft 8hp Snow King Snowblower Engine OEM# HMSK80-155497STECUMSEH – Dual Shaft 8HP Horizonal Engine [USED] – Snow King. Removed from Troy-Bilt 42010. Can be used for parts or fixed up to replace an existing / old unit. Perfect for repair shops, or mechanics, handi-man that understands small engines. Emerich Sales & Service.