Kawasaki Heavy Industries

Did You Know?

• During World War 2, Kawasaki was a major builder of combat aircraft like the Ki-61, and after the war they adapted air intakes from those combat aircraft to high speed motorcycles.
• On 3 July 2024, the Japanese Defence Ministry announced an investigation into bribery allegations between Kawasaki and Maritime Self-Defence Force personnel over submarine repair contracts.

History

Shōzō Kawasaki, born in 1836, was involved in the marine industry from a young age. After surviving two offshore disasters, he credited his survival to ship modernization and decided to create technological innovations for Japanese shipping. In 1878, he established Kawasaki Tsukiji Shipyard on borrowed government land along the Sumidagawa River to construct ocean-going ships. The company initially struggled until securing its first order, marking its start in the industry.

The shipyard is considered the first of its kind in Japan and a major step toward the country becoming a shipbuilder. Kawasaki later formed Kawasaki Hyogo Dockyard, incorporated in 1896. In 1886, he moved the business to Hyogo, leading to increased orders and renaming to Kawasaki Dockyard. The company went public as Kawasaki Dockyard Co., Ltd during the Sino-Japanese War of 1894, with Kojiro Matsukata as first president.

After opening a new factory in 1906, Kawasaki diversified into railroad, automotive, and airplane parts by the end of World War I. Postwar arms-limitation agreements in 1912 caused a decline in shipbuilding, and the Depression in 1929 brought financial problems. During World War II, Kawasaki built combat aircraft such as the Ki-61. After the war, it adapted air intakes from combat aircraft to high-speed motorcycles. In 1947, a new government shipbuilding agenda restored profits, and by the 1950s Japan led as the world's largest shipbuilder.

From the late 1960s into the 1970s, Kawasaki withdrew from shipbuilding and diversified into motorcycles, jet skis, bridges, tunnel-boring machines, and aircraft, also supplying railroad cars to the New York subway system.

Products

Kawasaki is active in diverse aerospace fields. It is a contractor for the Japanese ministry of defence, building aircraft such as the C-1 transport, T-4 intermediate jet trainer, and P-3C antisubmarine patrol airplane. Since 2007, it has built the P-1 maritime patrol aircraft, and since 2010, the C-2 transport aircraft. Kawasaki also builds helicopters, including the BK117 jointly developed with MBB, and the CH-47J/JA helicopter.

In commercial aviation, it participates in joint international development and production of large passenger aircraft, including the Boeing 767, 777, and 787 with Boeing, and the Embraer 170, 175, 190, and 195 jets. It is also involved in joint development of turbofan engines such as the V2500, RB211/Trent, PW4000, and CF34. For JAXA, Kawasaki developed and produced payload fairings, payload attach fittings, and constructed the launch complex for the H-II rocket, and continues services for the H-IIA rocket.

The company has participated in projects including reusable launch vehicles, space robotics for the Japanese Experiment Module on the International Space Station, the cancelled HOPE-X experimental orbiting plane, and the docking mechanism for ETS-VII. A July 1997 document indicated it would have been a major manufacturer of the Kankoh-maru space tourism vehicle (Kawasaki S-1), which never saw production. In 2022, Kawasaki and Airbus signed a memorandum of understanding to address hydrogen needs in aviation and focus on airport hydrogen hubs.

Main products include aircraft, space systems, helicopters, simulators, jet engines, missiles, and electronic equipment. Kawasaki is Japan's largest rolling stock manufacturer, beginning operations in 1906, producing express and commuter trains, subway cars, freight trains, locomotives, monorails, and new transit systems, and is involved in high-speed trains such as the Shinkansen.

Controversies

In August 2024, Kawasaki Heavy Industries admitted to falsifying test data for 674 marine engines produced since 2000, a practice that spanned two decades. A subsequent report from August 29, 2025, noted that an investigative committee had alerted the company to possible tampering with fuel-efficiency test data for engines used in the Japan Maritime Self-Defense Force's Soryu-class and Taigei-class submarines, following irregularities found in engines built before 2021. Kawasaki stated that the timing and method of the misconduct remain unclear, and the committee will continue its probe, with a final report expected by year's end.