Hoover V2 Dual V Steam Vac 6 Brush Turbine and Gear Assembly - 43191018 91001097 4400061733 Position Turbine and Gear Assembly for 6 Brush Dual V Steam Vacs. Fits Hoover V2 Steamvac models with 3 Positions 2+1 Combination 2 ON + 1 OFF position to control the brush speed action. Fits Dual V and V2 Steam Vacs with model numbers beginning with F74__ ___ including F7428 900 SteamVac Dual V F7429 900 SteamVac Dual V F7452 900 SteamVac All Terrain F7450 100 Max Extract Dual V Steam Vacuum F7431 900 Steam Vacuum F7431 950 Steam Vacuum F7410900