Models View all 1-cylinder horizontal steam engine non reversing 12 115 0 60HP High Pressure Steam Engine 10 118 1 Twin-cylinder_steam_engine (Dyn_Sim) 10 82 0 Twin-cylinder_steam_engine 7 56 0 Cycloidal Gear (high reduction) 9 95 4 Cycloidal Gear 3 113 0