Gears, bearings and screws have been called the “three major elements of machinery”, and played big roles in the industry. In particular, gears have greatly contributed to the development of water wheels, water mills and water clocks.

With advancing technical innovations, gears have been drawing keen attention as the most efficient transmission system for high-speed rotation and powerful transmission of various machines in recent years.
Based on the abundant experiences for 100 years as the leading manufacturer of gears in Japan, we have acquired international-standard technologies and achieved splendid results.We have developed its products in order to perform the basic function of gears, always transmitting powers between driving machine and connected machine at the 100% level of satisfaction for both machines, and solved universal themes such as downsizing, lightening, high-efficiency and high-precision rotation.
At present, our products are working in various fields, getting high reliability from all clients.

We will make continuous efforts in developing new products of gears and gear equipments to be the leading manufacturer of power transmission system in reality and in name.



*Keep promises of the quality and the delivery date requested by clients.
*Provide valued products to client.
*Make continuous efforts in technical development to improve customer satisfaction.

All employees of Sumitomo Heavy Industries Gearbox will do our best for all clients to make better use of our products.