Licensee engine builders
Akasaka Diesels
Japanese builder of its own low/medium-speed 4-stroke marine engines and of J-ENG UEC 2-stroke engines under licence.
Low-speed 2-stroke main engines
19 companies
Crosshead two-stroke engines (roughly 2–80+ MW) that drive the propeller directly on deep-sea merchant ships. Designs come from a few licensors (Everllence, WinGD, J-ENG) and are built by licensee shops in Korea, China and Japan.
Filter companies: Low-speed 2-stroke main engines
Licensee engine builders
CSSC Engine (CSE)
CSSC-owned Qingdao builder of low-speed two-stroke marine engines under Everllence (B&W) and WinGD licences, incl. LNG and methanol dual-fuel.
Licensee engine builders
CSSC-MES Diesel (CMD)
CSSC-owned licence builder of Everllence B&W and WinGD low-speed two-stroke engines at Lingang, Shanghai.
Licensee engine builders
Dalian Marine Diesel
CSSC low-speed engine builder in Dalian producing licensed Everllence B&W and WinGD two-stroke main engines.
Engine designers & licensors
Everllence
Augsburg-based engine maker (formerly MAN Energy Solutions): B&W two-stroke designs, four-stroke engines, Alpha propellers and cryogenic fuel systems.
Licensee engine builders
Guangzhou Diesel Engine Factory (GDF)
Chinese medium-speed marine engine maker and J-ENG UE two-stroke licensee with plants in Guangzhou and Jingjiang.
Licensee engine builders
Hanwha Engine
Korean licensee builder of low-speed two-stroke (Everllence B&W, WinGD) and four-stroke marine engines, formerly HSD Engine, part of Hanwha.
Licensee engine builders
HD Hyundai Heavy Industries
Korean shipbuilder whose Engine & Machinery division builds B&W and WinGD two-stroke engines, HiMSEN four-strokes, propellers and FGSS.
Licensee engine builders
HD Hyundai Marine Engine
Changwon-based licensee builder of Everllence B&W two-stroke engines, turbochargers and crankshafts, formerly STX Heavy Industries.
Licensee engine builders
Hengli Engine (Dalian)
Hengli Group subsidiary in Dalian building Everllence B&W two-stroke engines since 2024, with capacity of 180 engines a year.
Licensee engine builders
Hitachi Zosen Marine Engine (HZME)
Japanese licensee builder of Everllence B&W and WinGD low-speed marine engines, based at Ariake, Kumamoto.
Licensee engine builders
Hudong Heavy Machinery (HHM)
Shanghai-based CSSC Power subsidiary building WinGD and B&W two-stroke engines, incl. LNG, methanol, ethane and LPG dual-fuel types.
Engine designers & licensors
Japan Engine Corporation (J-ENG)
Akashi-based designer, licensor and builder of Mitsubishi UE low-speed engines, including ammonia and hydrogen dual-fuel models.
Licensee engine builders
Kawasaki Heavy Industries
Japanese heavy-industry group building B&W two-stroke engines, CPPs, Rexpeller azimuth thrusters, side thrusters and naval gas turbine packages.
Licensee engine builders
Mitsui E&S
Japan's largest builder of low-speed two-stroke marine engines under Everllence B&W and WinGD licences, with dual-fuel methanol, LNG and ammonia models.
Licensee engine builders
STX Engine
Korean builder of Everllence-licensed marine engines and defence engines, based in Changwon and majority-owned by UAMCO.
Engine designers & licensors
WinGD
Winterthur-based, CSSC-owned designer and licensor of low-speed two-stroke engines for diesel, LNG, methanol, ethanol, ammonia and LPG.
Licensee engine builders
Yichang Marine Diesel Engine
CSSC low-speed engine works in Yichang, Hubei, building B&W and Mitsubishi/J-ENG UE two-stroke engines under licence.
Licensee engine builders
Yuchai Marine Power (YCMP)
Zhuhai-based Yuchai group builder of WinGD and Everllence low-speed engines, developing an ammonia engine test platform.