Classic Ariens Sno-Thro 7HP Snowblower Model 910995 2 Stage 24 Electric StartAriens Sno-Thro Snowblower Model 910995. 7HP 4 Stroke Engine. 4 Speed with Reverse. Extra Gear and Engine Oil. This Ariens snowblower is a classic and a beast. A mid 1970′s model that is far superior to any comparable new snowblower of today. It.