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For the city called Komatsu in Ishikawa prefecture, Japan, see Komatsu, Ishikawa.
Komatsu Limited
Type Public (TYO: 6301)
Founded Jan, 1917 (Komatsu Iron Works)
Headquarters Tokyo, Japan
Key people Kunio Noji, President and CEO
Industry Heavy machinery
Products Construction equipment
Mining equipment
Industrial machinery
Revenue $13.41 billion USD Consolidated (2004/2005)
$4.89 billion USD Non-Consolidated (2004/2005)
Employees 33,008 (Consolidated)
5,666 (Non Consolidated)

Komatsu Limited (株式会社小松製作所 Kabushiki-gaisha Komatsu Seisakusho ?) or Komatsu (コマツ) (TYO: 6301) is a multinational corporation that manufactures construction, mining, and military equipment, industry machinery such as press machines, lasers, and Thermoelectric modules.[1] Its headquarters is at 2-3-6, Akasaka, Minato, Tokyo, Japan. Its name was taken after the current city of Komatsu, Ishikawa at the company's foundation there in 1917.

Komatsu is the world's second largest manufacturer of Construction and Mining Equipment after Caterpillar. However, in certain geographic areas (Japan, China, Middle East), Komatsu has a larger share than Cat. It has manufacturing operations in Japan, Asia, Americas and Europe.

Japanese 小松 ko matsu means "small pine tree", and as a result pine trees figure sometimes among planting round the firm's premises.



Komatsu Iron Works was started by Takeuchi Mining Industry as a subsidiary to make industrial tools for the parent company. Komatsu eventually became large enough to sell to the public, and was spun off on 1921-05-13 as Komatsu Ltd.

Komatsu produced its first agricultural tractor prototype in 1931. Through the 1930s, Komatsu also produced military tractors for the Japanese military, as well as bulldozers, tanks and howitzers. After World War II, Komatsu added non-military bulldozers and forklifts to its line of equipment. Its growth as a company was aided by the strong demand for its bulldozer during Japan's post-war reconstruction in the 1950s. By 1957 was advanced enough technologically that all of its models were also using Komatsu engines.

Komatsu Hanomag excavator in Germany

Komatsu began exporting its products in the 1960s, looking to counteract the postwar image of Japanese products as being cheap and poorly made, and entered the U.S. market in July 1967, taking on Caterpillar, the world's largest bulldozer maker, in its home market, under the leadership of President Yoshinari Kawai. Komatsu did so under the rallying cry "Maru-C", translating into English as "encircle Caterpillar" (in the context of Go (board game) encircling an opponent results in capture of their territory).

Komatsu and Dresser Industries established Komatsu Dresser to make mining tractors and related equipment. This 50–50 ownership lasted from September 1988 to August 1994, when Komatsu bought out Dresser's share, and Komatsu's mining products were consolidated under the name Komatsu Mining Systems in 1997. To prevent brand name confusion during corporate changes, the name "Haulpak" is used for the product line Komatsu began with Dresser.

Product range

Komatsu construction vehicle in New Orleans, Louisiana (USA)
  • Komatsu makes the largest bulldozer in the world, the D575.
  • In 2008 Komatsu launched the Komatsu PC200-8 Hybrid, a 360 degree excavator that stores the energy from slew-braking to boost power & cut fuel use.
Dump trucks
  • Komatsu 830E a 250 US ton capacity Ultra class mining dumptruck
  • Komatsu 930E a 320 US ton capacity Ultra class mining dumptruck (formerly the 'Haulpak 830E)
  • Komatsu 960E a 360 US ton capacity machine.

Komatsu America Models [2]

Compact Excavators PC09 PC18 PC27 PC35 PC45 PC55
Small Excavators PC78 PC88 PC130 PC138 PC160
Medium Excavators PC200 PC228 PC220 PC270 PC300 PC308 PC400
Large Excavators PC600 PC800 PC1250 PC2000 PC3000 PC4000 PC5500 PC8000
Bulldozers D21 D31 D37 D39 D51 D61 D65 D85 D155 D275 D375 D475 D575
Electric Dump Trucks 730E 830E 930E 960E
Articulated Dump Trucks HM300 HM350 HM400
Mechanical Dump Trucks HD325 HD405 HD465 HD605 HD785 HD1500
Wheel Loaders WA50 WA65 WA70 WA80 WA100 WA150 WA200 WA250 WA320 WA380 WA430 WA450 WA480 WA500 WA600 WA700 WA800 WA900 WA1200
Backhoe Loaders WB142 WB146 WB156
Skid Steer Loaders SK815 SK820 SK1020 SK1026
Track Loaders CK30 CK35
Crushers BR380 BR550 BR580
Graders GD555 GD655 GD675
Crawler Carriers CD60 CD110

See also

  • ISBN 0646396978 - A History of Komatsu Construction and Mining Equipment Volume One


  1. ^ KOMATSU : Manufacturing Operations
  2. ^ Komatsu America Web Site

External links



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