| Jan,1917 |
- Takeuchi Mining Industry (founded in 1894) established Komatsu Iron Works to manufacture machine tools and mining equipment for in-house use.
|
| May,1921 |
- Komatsu Iron Works separated from Takeuchi Mining Co. to become Komatsu Ltd. |
| Oct,1931 |
- Produced Japan's first crawler-type farm tractor. |
| May,1938 |
- Established the Awazu plant. |
| Dec,1947 |
- Introduced the D50 bulldozer. |
| Feb,1948 |
- Began diesel engine production. |
| Oct,1952 |
- Opened the Osaka Plant. |
| Oct,1952 |
- Began production of motor graders. |
| Jan,1953 |
- Commenced production of forklift trucks. |
| Nov,1953 |
- Started production of dump trucks and special purpose vehicles. |
| 1965 |
- Began production of wheel loaders. |
| Oct,1968 |
- Began production of hydraulic excavators. |
| Dec,1985 |
- Established Komatsu UK Ltd. in the United Kingdom. |
| Aug,1986 |
- Established Komatsu Industries Europe GmbH. in Germany. |
| Jul,1989 |
- KOMATSU made an equity participation in Hanomag AG of Germany. |
| Nov,1991 |
- KOMATSU Made an equity participation in Fai S.p.A. in Italy. |
| Aug,1992 |
- Komatsu UK Komatsu UK launched wheeled excavators into the European market. |
| Jun,1995 |
- Komatsu Dresser Company developed the world's largest dump truck, model 930E. |
| Jan,1996 |
- Established Demag Komatsu GmbH (renamed Komatsu Mining Germany GmbH in February 1999) in Germany. |
| Sep,1999 |
- Launched the world's largest mechanical-drive WA1200 wheel loader. |
| Feb,2000 |
- Agreed to establish global collaboration with the Linde Group of Germany in the manufacture and sales of lift trucks. |
| May,2001 |
- Launched Komatsu-developed HM400 large articulated dump truck. |
| 2002 |
- Introduced the new series of Dash-7 excavators |
| 2003 |
- Expanded the range of wheeled excavators with the introduction of the models PW200-7 and PW220-7 |
| 2004 |
- Developed and manufactured unique road/rail machines |
| 2005 |
- Introduced PW160-7 and PW180-7 wheeled excavators
|
| 2005 |
- Introduced the new series of Dash-8 excavators |
| 2005 |
- Komatsu decided to transfer the development and production of the wheeled excavators to Hanover. |
| Oct,2005 |
- Developed the frontier engine technology "ecot3" compliant to Tier III emission standards. |
| 2006 |
- Introduced the new series of Dash-8 excavators. |
| Jan,2007 |
- Completed the construction of three new plants, i.e. Ibaraki Plant, Kanazawa Plant (both in Japan) and Chennai Plant (in India). |
| Jun,2008 |
- Komatsu introduces the world's first hybrid hydraulic excavator. |
| April,2009 |
- Komatsu presents the new PW148-8 wheeled excavator at Intermat 2009 |
| April,2009 |
- Reorganized Japanese sales and service structure for construction equipment and established Komatsu Construction Equipment Sales and Service Japan Ltd. |
