Akasaka Diesels Limited manufactures and sells marine diesel engines and related machinery and equipment in Japan and internationally. Its product lineup includes 4-stroke and 2-stroke diesel engines, remote controllers, engine monitoring devices, low-pressure SCR and EGR systems, fuel injection boosters, DCB flexible couplings, lubricating systems, soundproof room systems, and floating floor systems, as well as the engine doctor, advanced electronically controlled lubrication system, and mechanical pulse lubricating system. The company also designs, manufactures, repairs, and sells internal combustion engines and their components, accessories, and marine equipment; manufactures and sells castings and forged steel products and fuel; and rents and manages movable and real estate properties. Founded in 1910, Akasaka Diesels Limited is headquartered in Tokyo, Japan.