History
| 1950 |
Concluded a manufacturing license agreement with B&W (currently MAN Energy Solutions) 
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|---|---|
| 1971 |
Concluded a manufacturing license agreement with Sulzer (currently WinGD) |
| 1976 |
Completed the fuel-efficient TWIN-BANK engine 2x8K45 GTC. The constant pressure turbocharging method proven on this engine became the foundation of fuel-efficient engines all over the world.  |
| 1997 | Completed the 12K90MC, which had the largest output of any engine in the world at that time |
| 2003 | Completed the ME-C engine 6S50ME-C, the first of its type in Japan |
| 2008 | Completed 6RT-flex50B of Wärtsilä type (currently WinGD) |
| 2011 | Completed the world’s first 2-stroke marine engine 6S46MC-C equipped with a high-pressure SCR system that complies with NOx Tier III regulations Completed the R&D test engine 4S50ME-T |
| 2016 | Completed conversion of the test engine to a dual-fuel engine using LNG |
| 2018 | Completed the ME-C engine 6G60ME-C9.5-HP SCR, equipped with an SCR system |
| 2022 | Operation of a dual-fuel engine using LPG (5S35ME-C LGIP) Completed under IMO NOx preliminary certification test scheme B |
