S&T Dynamics, The Republic of Korea - Komachine Supplier Profile and Product List

- S&T Dynamics Co., Ltd. is a pioneering company in Korea's precision machinery industry, established in 1959. With over 60 years of accumulated technology in the field of dynamics, the company develops and supplies core products for national key industries, including advanced defense products, high-quality automotive components, and ultra-precision machine tools. It holds a unique position as the sole specialized manufacturer of automatic transmissions for tracked vehicles and medium-caliber firearms in Korea. The company also possesses capabilities in manufacturing powertrains for commercial vehicles and various castings. Looking ahead, S&T Dynamics aims to evolve into a global engineering company through the development of AI-based autonomous mobility platforms.S&T Dynamics Co., Ltd. is a pioneering company in Korea's precision machinery industry, established in 1959. With over 60 years of accumulated technology in the field of dynamics, the company develops and supplies core products for national key industries, including advanced defense products, high-quality automotive components, and ultra-precision machine tools. It holds a unique position as the sole specialized manufacturer of automatic transmissions for tracked vehicles and medium-caliber firearms in Korea. The company also possesses capabilities in manufacturing powertrains for commercial vehicles and various castings. Looking ahead, S&T Dynamics aims to evolve into a global engineering company through the development of AI-based autonomous mobility platforms.
- **Defense Products**: Development and supply of EST15K, a 1500-1700 horsepower 6-speed automatic transmission for the K2 Black Panther tank. A diverse lineup of tracked vehicle transmissions, including X1100-5A3 for K9 self-propelled howitzers and K10 ammunition carriers, XTG411-2A for K55 self-propelled howitzers and K77 fire command vehicles, and HMPT500-4EK for K21 infantry fighting vehicles. Production of medium-caliber firearms such as the 12.7mm K6 heavy machine gun, 20mm Vulcan cannon KM168, 20mm revolver cannon KM39A3, 30mm automatic cannon KKCB, and 40mm automatic cannon K40. Development and supply of the 120mm self-propelled mortar system KM120 and the 3-barrel 20mm Remote Controlled Weapon System (RCWS).**Defense Products**: Development and supply of EST15K, a 1500-1700 horsepower 6-speed automatic transmission for the K2 Black Panther tank. A diverse lineup of tracked vehicle transmissions, including X1100-5A3 for K9 self-propelled howitzers and K10 ammunition carriers, XTG411-2A for K55 self-propelled howitzers and K77 fire command vehicles, and HMPT500-4EK for K21 infantry fighting vehicles. Production of medium-caliber firearms such as the 12.7mm K6 heavy machine gun, 20mm Vulcan cannon KM168, 20mm revolver cannon KM39A3, 30mm automatic cannon KKCB, and 40mm automatic cannon K40. Development and supply of the 120mm self-propelled mortar system KM120 and the 3-barrel 20mm Remote Controlled Weapon System (RCWS).
- **Automotive Components**: Manufacturing technology for powertrains (transmissions, axles, differentials) for commercial vehicles. Production capability for wind power powertrains (Wind Mill Powertrain). Development of an e-Drive unit for GM's Bolt EV, with over 180,000 units sold globally.**Automotive Components**: Manufacturing technology for powertrains (transmissions, axles, differentials) for commercial vehicles. Production capability for wind power powertrains (Wind Mill Powertrain). Development of an e-Drive unit for GM's Bolt EV, with over 180,000 units sold globally.
- **Ultra-precision Machine Tools**: A lineup of gear processing equipment, including CNC gear hobbing machines (H80, H200, H350, H500) and CNC gear shaping machines (P250, P1000). The H200 model features SIEMENS 840DSL/FANUC 18iMB control, 6 axes, a maximum workpiece diameter of Ø200, and a maximum hob speed of 1,500 RPM. Specialization in manufacturing large CNC vertical lathes with swing ranges from 36 to 138 inches. Provision of various ultra-precision machining solutions, including CNC grinding machines and universal CNC lathes.**Ultra-precision Machine Tools**: A lineup of gear processing equipment, including CNC gear hobbing machines (H80, H200, H350, H500) and CNC gear shaping machines (P250, P1000). The H200 model features SIEMENS 840DSL/FANUC 18iMB control, 6 axes, a maximum workpiece diameter of Ø200, and a maximum hob speed of 1,500 RPM. Specialization in manufacturing large CNC vertical lathes with swing ranges from 36 to 138 inches. Provision of various ultra-precision machining solutions, including CNC grinding machines and universal CNC lathes.
- **Castings**: Capability in producing medium to large-sized casting products.**Castings**: Capability in producing medium to large-sized casting products.
- **Over 60 Years of History and Accumulated Technology**: As a pioneer in Korea's precision machinery industry since its establishment in 1959, the company has accumulated unparalleled technological expertise in dynamics for over six decades. This serves as a source of stable technology and extensive know-how.**Over 60 Years of History and Accumulated Technology**: As a pioneer in Korea's precision machinery industry since its establishment in 1959, the company has accumulated unparalleled technological expertise in dynamics for over six decades. This serves as a source of stable technology and extensive know-how.
- **Leadership in Domestic Defense Technology**: Successful development of the 1500-horsepower 6-speed automatic transmission for the K2 tank and its unique position as the sole specialized manufacturer of automatic transmissions for tracked vehicles and medium-caliber firearms in Korea. This demonstrates its possession of core technologies contributing to national defense capabilities.**Leadership in Domestic Defense Technology**: Successful development of the 1500-horsepower 6-speed automatic transmission for the K2 tank and its unique position as the sole specialized manufacturer of automatic transmissions for tracked vehicles and medium-caliber firearms in Korea. This demonstrates its possession of core technologies contributing to national defense capabilities.
- **Global Competitiveness in Ultra-precision Machine Tools**: Supply of machine tools with world-class speed, precision, and durability, including large vertical lathes and precision gear processing equipment. Notably, its innovative capability is highlighted by the domestic development of the first CNC Controller for machine tools.**Global Competitiveness in Ultra-precision Machine Tools**: Supply of machine tools with world-class speed, precision, and durability, including large vertical lathes and precision gear processing equipment. Notably, its innovative capability is highlighted by the domestic development of the first CNC Controller for machine tools.
- **Pioneering Future Mobility Technologies**: Initiation of independent development of a 70-ton class next-generation autonomous mobility platform applying AI-based driving algorithms and cloud-based control systems. This reflects proactive technological development in response to future industrial changes.**Pioneering Future Mobility Technologies**: Initiation of independent development of a 70-ton class next-generation autonomous mobility platform applying AI-based driving algorithms and cloud-based control systems. This reflects proactive technological development in response to future industrial changes.
- **Continuous R&D and Quality Innovation**: Publication of approximately 110 research papers since 2021, implementation of international quality certification systems such as ISO 9001 and AS 9100, and receipt of the National Quality Award, along with the production of multiple quality masters. These efforts ensure continuous technological advancement and the highest level of quality.**Continuous R&D and Quality Innovation**: Publication of approximately 110 research papers since 2021, implementation of international quality certification systems such as ISO 9001 and AS 9100, and receipt of the National Quality Award, along with the production of multiple quality masters. These efforts ensure continuous technological advancement and the highest level of quality.
- **Diversified Business Portfolio**: A stable business structure spanning various key industrial sectors, including defense, automotive components, machine tools, and castings. This provides a risk diversification effect against specific market fluctuations.**Diversified Business Portfolio**: A stable business structure spanning various key industrial sectors, including defense, automotive components, machine tools, and castings. This provides a risk diversification effect against specific market fluctuations.
- **Defense Industry**: Supply of transmissions for tracked vehicles such as the K2 tank, K9 self-propelled howitzer, and K21 infantry fighting vehicle, and medium-caliber firearms including 12.7mm machine guns, 20mm automatic cannons, and 30mm/40mm automatic cannons. Application of components to military helicopters and naval weapon systems.**Defense Industry**: Supply of transmissions for tracked vehicles such as the K2 tank, K9 self-propelled howitzer, and K21 infantry fighting vehicle, and medium-caliber firearms including 12.7mm machine guns, 20mm automatic cannons, and 30mm/40mm automatic cannons. Application of components to military helicopters and naval weapon systems.
- **Automotive Industry**: Supply of powertrain components such as transmissions and axles for commercial vehicles (trucks, buses), and e-Drive units for electric vehicles. Application of components to special vehicles and construction vehicles.**Automotive Industry**: Supply of powertrain components such as transmissions and axles for commercial vehicles (trucks, buses), and e-Drive units for electric vehicles. Application of components to special vehicles and construction vehicles.
- **General Industry**: Supply of CNC machine tools (gear hobbing machines, vertical lathes, etc.) to various industrial sectors requiring ultra-precision machining. Utilization in large component manufacturing and precision mechanical processing fields.**General Industry**: Supply of CNC machine tools (gear hobbing machines, vertical lathes, etc.) to various industrial sectors requiring ultra-precision machining. Utilization in large component manufacturing and precision mechanical processing fields.
- **Energy Industry**: Contribution to the renewable energy sector through the supply of powertrains for wind power generation.**Energy Industry**: Contribution to the renewable energy sector through the supply of powertrains for wind power generation.
- **Future Mobility Industry**: Planned application of AI-based autonomous mobility platform technology to multi-purpose logistics mobility and intelligent guided vehicles (IGV) in port, aviation, and construction sectors.**Future Mobility Industry**: Planned application of AI-based autonomous mobility platform technology to multi-purpose logistics mobility and intelligent guided vehicles (IGV) in port, aviation, and construction sectors.
- South Korea (domestic market), India (market entry through SNT Motiv subsidiary establishment)South Korea (domestic market), India (market entry through SNT Motiv subsidiary establishment)
- Poland (K9 self-propelled howitzer transmission supply and SNT Motiv subsidiary establishment), Turkey (export contract for K2 tank transmissions), Germany (component supply to Mercedes-Benz)Poland (K9 self-propelled howitzer transmission supply and SNT Motiv subsidiary establishment), Turkey (export contract for K2 tank transmissions), Germany (component supply to Mercedes-Benz)
- United States (sales of e-Drive units for GM's Bolt EV and SNT Motiv subsidiary establishment)United States (sales of e-Drive units for GM's Bolt EV and SNT Motiv subsidiary establishment)
- Implementation and operation of international quality management system certifications such as ISO 9001 and AS 9100.Implementation and operation of international quality management system certifications such as ISO 9001 and AS 9100.
- Achievement of the National Quality Award in 2012.Achievement of the National Quality Award in 2012.
- Demonstration of quality competitiveness through the production of 1 Korean Industrial Master and 8 Quality Masters.Demonstration of quality competitiveness through the production of 1 Korean Industrial Master and 8 Quality Masters.
- Technological capability in developing the world's first 1500-1700 horsepower 6-speed automatic transmission for heavy tanks.Technological capability in developing the world's first 1500-1700 horsepower 6-speed automatic transmission for heavy tanks.
- Technological capability in developing Korea's first CNC Controller for machine tools.Technological capability in developing Korea's first CNC Controller for machine tools.
- Pursuit of autonomous mobility platform development applying future core technologies such as AI-based driving algorithms and cloud-based control systems.Pursuit of autonomous mobility platform development applying future core technologies such as AI-based driving algorithms and cloud-based control systems.