Single-Axis Solar Tracker Slewing Drive Gear Motor Worm Drive. High Precision Transmission: Plane secondary enveloping ring surface worm with multi-tooth meshing for accurate solar tracking. Compact and Lightweight: Optimized design reduces overall thickness and weight without affecting performance. Center Through Hole: Rotary device features a center through hole for convenient customer cable routing. Corrosion Resistant: C3 corrosion protection ensures durability in harsh outdoor solar tracking environments. High Torque Capacity: Output torque of 6.3KN.m and holding torque of 45KN.m for stable operation. Durable Materials: Worm made of 42CrMo with secondary nitride treatment; bearing material is 50Mn. Certified Quality: Products approved by CE and ISO2001 certificates ensuring international standards. Wide Application: Suitable for 60-96PCS single axis solar trackers and other industrial rotary platforms.