Gear Motor, also known as Engine Gearboxes, is a particular kind of electrical motor that is designed to create high torque whilst maintaining a low horsepower, or low swiftness, motor output. Gear motors are available in many different applications, especially for the greenhouse, livestock and agricultural market, our motors are available options to operate roof vents, wall vents,roof shading and screening, they put on the shaft with chain couplings that compensate for alignment errors and can be quickly eliminated without Motor Gearboxes Gear Motor For Glass Greenhouse Ventilation Screening And Shading System disturbing the whole shaft.