Gear Motor, also referred to as Electric motor Gearboxes, is a specific kind of electrical motor that is designed to produce high torque while maintaining a low horsepower, or low velocity, motor output. Gear motors are available in many different applications, especially for the greenhouse, livestock and agricultural industry, our motors are available options to operate roof vents, wall structure vents,roof shading and screening, they put on the shaft with chain couplings that compensate for alignment Motor Gearboxes Gear Motor For Glass Greenhouse Ventilation Screening And Shading System errors and can be very easily removed without disturbing the entire shaft.