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Yanmar Co., Ltd.
Privately held
Industry Heavy Equipment Manufacturing
Founded Osaka, Japan 1912 (as Yamaoka Hatsudoki Kosakusho)
Headquarters 1-32, Chayamachi, Kita-ku, Osaka, Japan
Tadao Yamaoka, Chairman
Takehito Yamaoka, President
Products Diesel Engines
Heavy Equipment
Unmanned aerial vehicles
Revenue 577.1 billion yen (March 2013) Consolidated
3,308 (Consolidated base 14,955) as of 2010

Yanmar Co., Ltd. (ヤンマー株式会社 Yanmā Kabushiki-Gaisha) is a Japanese diesel engine manufacturer with more than 100 years of history. The engines are used in a wide range of applications, including seagoing vessels, construction equipment, agricultural equipment and generator sets. Within the last 20 years, Yanmar has also established a growing presence in the domestic UAV market in Japan and elsewhere, with small helicopter UAVs such as the Yanmar YH300 SL and Yanmar AYH-3, primarily used in agricultural spraying and other forms of aerial application.


  • Company description 1
  • Timeline 2
  • Media programmes sponsored by Yanmar 3
    • Past 3.1

Company description

Yanmar Corporate Headquarters (Japan)

Yanmar is for the most part a corporation specializing in diesel engines, and also makes light fishing boats, hulls for ships, tractors, combine harvesters, rice-planting machines, gas heat pumps, snow throwers, transporters, tillers, mini excavators, portable diesel generators Side by Side UTV and Heavy Utility Machinery. Yanmar is one of the most famous among the top brands of agricultural, marine machinery in Japan and the world.

Yanmar was the first to put a diesel engine in a rice planting machine with a passenger seat. Small, light, air-cooled diesel engines are Yanmar's speciality. Yanmar also supplies engines to John Deere tractors and Thermo King Corporation used in refrigerated trucks and trailers. It also has a presence in both the domestic and international UAV markets.

Yanmar's headquarters are at 1-32, Chayamachi, Kita-ku, Osaka, Japan.

Yanmar is the patron of the J. League Division 1 soccer team Cerezo Osaka and sponsor for AFC Champions League, Yanmar Racing and several weather forecast programmes on Japanese television. They sponsor a German football club Borussia Dortmund and also are a global sponsor to Manchester United F.C..


A Yanmar 2GM20 marine diesel engine, installed in a sailboat.
  • 1912 Yamaoka Magokichi sets up business under the name Yamaoka Engine Workshop.
  • 1931 Inauguration of Yamaoka Engine Workshop Limited.
  • 1936 Inauguration of Yamaoka Internal Combustion Machines Limited.
  • 1940 Yamaoka Internal Combustion Machines amalgamates with Yamaoka Engine Workshop.
  • 1952 Company name changes to Yanmar Diesel Limited.
  • 2002 Company name changes to Yanmar limited.

Media programmes sponsored by Yanmar

  • Yanbo Marbo Weather Forecast (ヤン坊マー坊天気予報, Yanbo-Marbo Tenki Yoho)
  • Fishery News (漁業ニューズ) on Wakayama Broadcasting System Co.


  • FTV News sponsored by Yanmar (ヤンマー提供FTVニュース, Yanmar Teikyo FTV Nyusu) on Fukushima TV.
  • Yanmar Family Hour (ヤンマーファミリーアワー, Yanmar Famiri Awa) on Tokyo Broadcasting System Television, including
    • Fly
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