the spacemaster sx represents a revolutionary new generation of exceptionally reliable electric wire rope hoists, featuring advanced technology and cutting-edge performance. an innovative design that includes a large drum......the spacemaster sx represents a revolutionary new generation of exceptionally reliable electric wire rope hoists, featuring advanced technology and cutting-edge performance. an innovative design that includes a large drum diameter gives spacemaster sx hoists the lowest headrooms and best wheel loads in the industry while providing near true vertical lift with single reeved hoists, and both exceptional hook approaches and heights of lift. unique features include new low maintenance, sealed brakes, a two-speed hoist motor, and trolley inverter control. the standard hoist nameplate will carry a csa c/us rating as well as a nema 3r rating for electrical enclosures. two-component epoxy paint is standard. spacemaster sx hoists are designed to meet and exceed either asme h3 or asme h4 duty (fem 1am, 2m, or 3m) ratings and provide the ultimate in easy load handling, safe operation and lasting, trouble-free performance.