Professional Single and Dual Axis Solar Tracking Systems Slewing Drive SD Series. IP65 Sealing Performance: Double skeleton oil seal structure ensures long-term outdoor use. Corrosion Resistance: Surface treated with high-quality galvanized or QPQ process. High Transmission Torque: Worm gear meshing with large tooth contact area for high precision. Compact Design: Small volume and low weight save significant mounting space. Versatile Installation: Omnibearing installation allows easy connection with other machinery. Low Noise Operation: Designed for low noise and little vibration during service. CE Standard Compliance: Input power ranges from 0.06KW to 15KW meeting CE standards. Fast Delivery: Standard delivery time is 7 days for off-peak seasons.