SKK Corporation

SKK Corporation is a Japanese manufacturer of marine cranes and port construction machinery. Founded in 1956 in Kochi as Shikoku Kenki Co., Ltd., it changed its name to SKK Corporation in 1996. The company designs, manufactures, sells, and repairs dredgers, multi-purpose cranes, pile drivers, marine cranes, reclaimer units, and related equipment. Its products are used in Japan and exported to more than 30 countries.

SKK Corporation was founded in August 1956 in Yokohama, Kochi City, as Shikoku Kenki Co., Ltd., with capital of 1 million yen and 9 employees, as a specialist marine crane manufacturer. Its first crane, a 0.5 m³ full-swing crane, was shipped in October 1956. In 1964 it received investment from Osaka Small and Medium Business Investment & Consultation Co., Ltd. Its first export was a 20DH-type dredger to Taiwan in 1967. In 1972 it developed an electric motor-driven crane and a torque converter Omega Drive system. Exports of large dredgers to China began in 1974. The Tadotsu Plant was opened in 1975. In 1996, on its 40th anniversary, the company changed its name to SKK Corporation. It obtained ISO 9001 certification in 2000. In 2019 it added a third plant at Tadotsu.

Specialist marine crane manufacturer offering custom-made (order-made) cranes; a leading marine crane maker in Japan.

• GDA series marine crane

  Long-selling marine crane operated with four levers, manufactured since the company's founding.

• LEX series marine crane

  Marine crane with simplified two-joystick operation.

• GDT-EH series hybrid dredger

  Hybrid crane developed to reduce fossil fuel use and CO2 emissions.

1. 1株式会社SKK｜"海を拓く" 海上クレーンメーカーskk-crane.co.jp
2. 2会社概要 | 株式会社SKKskk-crane.co.jp
3. 3SKKについて | 株式会社SKKskk-crane.co.jp
4. 4SKK Corporation (Japan)wikidata.org