Quality first and Satisfaction for all customers to achieve Global High Quality Standard.

About Us

Her Royal Highness Maha Chakri Sirindhorn Presides over the new factory opening ceremony (26-August-2008)

Company Name

Bangkok Komatsu Co., Ltd. (BKC)


Amata City Chonburi

700/21 Moo 5, Bangna-Trad Road, T. Klong-Tumru,

A. Muang, Chonburi 20000, Thailand.






6,000 Units/Year


1,091 persons (as of 1 April 2023)

Paid-up Capital

USD 19 Million (THB 620 million)

Total Land

161,276 Sqm.


Komatsu Limited 75%

Bangkok Motor Works Co., Ltd. 15%

Dr.Phornthep Phornprapha 10%

Bangkok Komatsu Co., Ltd.

a manufacturer of hydraulic excavator under global standards with modern technology and quality control in all manufacturing processes to produce the excavator with international quality standard under the supervision of specialists. Engineering team from Japan, and over 700 qualified employees.

Factory production area is over 149,544 Square Meter with a production capacity of 6,000 units per year, exporting to 15 countries on 4 continents, with overseas and domestic sale ratio at 60% and 40% respectively, under a joint venture between Komatsu Ltd. with Siam Motors group.

The main products include small and medium size of excavators. The factory certified Quality standards ISO-9001, Environmental standards ISO-14001, and Occupational Health and Safety OHASH-18001, and also gain several quality awards,

including the Presidential Award from Komatsu Japan Year 2008 in market expansion and Year 2014 in cost reduction area.

Time Line

We provide several models and types of Hydraulic Excavator and Wheel Loader to 16 countries worldwide,
Mainly in ASEAN 10 countries , And other area include USA, Panama , South Africa , Australia, Canada