The LiftMaster ® SL585 is a durable heavy-duty gear-driven operator for use on heavy gates and high-cycle applications such as gated communities and industrial locations. The powerful design supports gate lengths up to 70 feet and gate weights up to 1,600 pounds. A strong powder-coated galvanized steel chassis, all-weather gearbox, as well as a weather-resistant, lockable cover ensure years of rugged and reliable performance. This model is ideal for heavy commercial and industrial installations and is UL325-compliant.