IHI

IHI Corporation Inc. · Founded 1853 · Tokyo, Japan

Founded as Ishikawajima Shipyard; merged into Ishikawajima-Harima Heavy Industries (IHI) in 1960; officially renamed IHI Corporation in 2007.

Series

AT-Series

Scaled-up AT architecture for heavy-duty 4-stroke medium-speed main engines, in production since the 2000s.

1 models
RU-Series

IHI's vintage mixed-flow fleet, still heavily serviced on older coastal craft and legacy gensets, 1970s to 1990s.

3 models · From RU110 to RU140
RH-Series

One of the most common marine turbocharger series in existence, built for nonstop heavy fuel oil service, 1980s to 2000s.

7 models · From RH133 to RH1221

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