Yaw and pitch drives for wind turbines

Series 700T slew drives from Bonfiglioli USA, Hebron, Kentucky, come in 13 sizes with output as high as 70,000 Nm thanks to planetary gearing with up to three stages. Output shaft with integral pinion rides on wide-span, high-load bearings. A robust housing features low or raised mounting flange. Inputs are available for electric and hydraulic motors.  The company manufacturers a variety of gearboxes and gearmotors for mobile machinery. 700T product details here.