EX3600-6 Ultra-Large Hydraulic Excavator Achieves Milestone of 100,000 Hours of Operation at Kumtor Gold Mine in Kyrgyzstan
Commemorative photo taken during the ceremony
Tokyo, October 3, 2025 -Hitachi Construction Machinery Co., Ltd. (TSE:6305,President and Executive Officer: Masafumi Senzaki; "Hitachi Construction Machinery") announces that an EX3600-6 ultra-large hydraulic excavator manufactured by Hitachi Construction Machinery, which has been in operation since 2012 at the Kumtor Gold Mine operated by mining company Kumtor Gold (Headquarters: Bishkek, Kyrgyz Republic; President: Buzurman Subanov; "Kumtor Gold"), has achieved a milestone of 100,000 hours of operation.
To commemorate this achievement of reaching 100,000 hours of operation, Eurasian Machinery LLP (Headquarters: Almaty, Republic of Kazakhstan; CEO: M. Kemal Cetinelli), the Hitachi Construction Machinery affiliate responsible for sales and servicing in the Central Asian region, held a ceremony at the Kumtor Gold Mine. The ceremony was attended by over 70 people including Kumtor Gold Chairman of the Board of Directors Bolotbek Idirisov, Kumtor Gold Deputy Mine Director Tynchtyk Mokeev, Eurasian Machinery President M. Kemal Cetinelli, and Hitachi Construction Machinery Vice President and Executive Officer Eiji Fukunishi.
Kumtor Gold has a total of five EX3600-6 ultra-large hydraulic excavators, and the excavator that achieved 100,000 hours of operation is a unit that was delivered in 2012. The Kumtor Gold Mine is located at an altitude of over 4,000 meters in an extremely harsh environment that can reach temperatures as low as minus 40°C during the winter. Achieving 100,000 hours of operation under such conditions is an important demonstration of the high robustness, durability, and reliability of Hitachi Construction Machinery products as well as the superiority of their parts quality and service systems. Over the 11-year period since delivery, Eurasian Machinery has continuously stationed service personnel on site and provided maintenance and services around the clock. As a result, Kumtor Gold has accumulated maintenance know-how and currently conducts its own maintenance while Eurasian Machinery service personnel provide prompt support when needed to ensure stable operation.
The countries of Central Asia are rich in resources such as oil, natural gas, iron ore, copper, uranium, and rare earth elements, making it a region with a thriving mining industry. The mining industry plays a central economic role particularly in the Kyrgyz Republic, which has over 40 large-scale gold deposits. Among those deposits, the Kumtor Gold Mine, located in the southeastern part of Lake Issyk-Kul in the Kyrgyz Republic, is one of the world's largest open-pit gold mines. With the demand for mining machinery expected to grow, Hitachi Construction Machinery will continue to provide high-quality products and services going forward.
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About Hitachi Construction Machinery Co., Ltd.
Hitachi Construction Machinery Co., Ltd. (TSE: 6305), headquartered in Tokyo, Japan, is a construction machinery manufacturer that globally deploys development, manufacturing, sales, and service businesses for its hydraulic excavators, wheel loaders, compaction equipment, and mining machinery, etc. In addition to its new machinery business, Hitachi Construction Machinery is expanding its "value chain businesses" of parts and services, remanufacturing (parts and machines), rentals, and used equipment as it aims to grow together with customers as a true solutions provider that offers innovative solutions to customers. As our vow to all stakeholders to achieve this mission, we established and are currently disseminating and promoting the LANDCROS as our new concept. With roughly 26,000 employees around the world, the consolidated sales revenue for Hitachi Construction Machinery was 1,371.3 billion yen for fiscal year 2024 (ended March 2025) with an overseas sales revenue ratio of 84%. For more details, please see the company's website.
Information contained in this news release is current as of the date of the press announcement, but may be subject to change without prior notice.
