IP66 Heavy Duty Slew Drive Gearbox for Single-Axis Solar Tracker Systems Product Description The HANGTUO VE Series Heavy Duty Slew Drive Gearbox is engineered specifically for single-axis solar tracking systems in utility-scale photovoltaic installations. Featuring IP66 environmental protection and self-locking worm gear design, this enclosed slewing drive delivers reliable, precision positioning performance throughout the 25+ year lifespan of modern solar projects. Key