Yasuyuki Yamaoka

Yanmar Co., Ltd. engages in the development and production of diesel engines, agriculture machinery, marine diesel engines, construction equipment, energy systems, industrial engines, large engines, hydraulic parts, transmissions and others. It offers industrial engines for powering mobile and stationary off highway equipment such as generator sets, construction and agricultural equipment, pressure washers, and military applications. It also manufactures cogeneration and air conditioning systems, welding equipment, propulsions, and related accessories. The company was founded by Magokichi Yamaoka on March 22, 1912 and is headquartered in Osaka, Japan.

Part of Yanmar Holdings Co., Ltd., Kanzaki Kokyukoki MFG Co. Ltd. is a Japanese company that manufactures and distributes hydraulic equipment, transmissions and marine gears. The company is based in Amagasaki, Japan.