Gear Motor, also referred to as Engine Gearboxes, is a specific type of electrical motor that is designed to create high torque whilst maintaining a minimal horsepower, or low quickness, motor output. Gear motors can be found in many different applications, specifically for the greenhouse, livestock and agricultural industry, our motors can be found options to operate roof vents, wall structure vents,roof shading and screening, they attach to 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 taken out without disturbing the whole shaft.