SNT Dynamics. SNT Dynamics Co., Ltd. () is a South Korean defense and commercial auto parts, autocannons and machine tools manufacturer founded in 1959. Its heavy weapons equip most frontline units of the Republic of Korea Armed Forces. The company was designated as a defense contractor by the South Korean government in April 1973. SNT Dynamics also holds the rights to production and export licenses as the secondary provider of Allison Transmission, an American commercial automatic transmission manufacturer.

History 
SNT Dynamics was established in April 1959 under the name Yehwa Shotgun (). In 1995 it changed its company name to Tongil Heavy Industries Co. Ltd. and in 2005 it changed its name to S&T Dynamics Co. Ltd. In 2006 it completed the acquisition of Daewoo Precision Industries, now SNT Motiv. On 26 February 2021, the company name was changed from S&T Dynamics to SNT Dynamics. On 28 February 2023 the company changes its Korean domain.

Product

Defense

Powertrains 
 EST15K transmission, in use on the Altay main battle tank
 X1100-5A3 transmission, in use on the K9 Thunder, K10 ARV, T-155 Fırtına and AHS Krab (licensed production)
 XTG411-2A transmission, in use on the K55 SPH and K77 fire direction center vehicle (licensed production)
 XTG411-4A transmission, in use on the MX992 and Stingray light tank (licensed production)
 HMPT500-3EK transmission, in use on the K-SAM Pegasus and K30 Biho (licensed production)
 HMPT500-4EK transmission, in use on the K21 infantry fighting vehicle (licensed production)
 X200-5K transmission, in use on the K200 APC and M113 APC (licensed production)

Autocannon and artillery systems 
 KM120 120 mm self-propelled mortar
 M2 Browning machine gun as the K6 HMG with a modification for a quick-change barrel (licensed production)
 M61 Vulcan 20 mm rotary cannon as the KM168 produced since 1977 (licensed production)
 M39 cannon 20 mm cannon as the M39A3, in use on the KF-5E (licensed production)
 KKCB 30 mm cannon produced since 2001, in use on the K30 Biho self-propelled anti-aircraft weapon
 40L/70K Nobong 40 mm twin naval cannon developed in 1996 to replace the OTO Melara DARDO CIWS of the South Korean Navy
 K40 40 mm cannon produced since 2008, in use on the K21 Infantry fighting vehicle
 Remote Controlled Weapon Station (RCWS)
 XK13 25 mm Korean OCSW. Cancelled in 2013.
 Bofors 40 mm cannon as the 40L/70K produced since 1995 (licensed production)

Protection systems 
 DAGAIE NG anti-guided weapons decoy system (licensed production)
 KM138 automatic land mine dispenser
 K18 smoke grenade launcher, in use on the South Korean M48 Patton main battle tank
 KM250 smoke grenade launcher, in use on the K1 and K1A1 main battle tank
 KM255 smoke grenade launcher, in use on the K2 Black Panther main battle tank
 KM259 smoke grenade launcher, in use on the South Korean KM9 armored combat earthmover
 KM260 smoke grenade launcher, in use on the K200 infantry fighting vehicle
 Soft-kill launcher system (SLS), in use on the K2 Black Panther

Commercial automotive parts

Housing assembly for trucks 
 Daimler Housing assembly
 AAC (Axle Alliance Company) Housing assembly

Transmissions 
 Transmission for 2 and 3.5 ton trucks
 Transmission for 4.5 and 5 ton trucks
 Transmission for 5 and 8 ton trucks
 Transmission for 9 and 12 ton trucks
 Transmission for 15 ton trucks
 Transmission for 18 ton trucks
 Transmission for 25 ton trucks
 Transmission for express buses and large buses

Axle 
 T R3H Axle for sport utility vehicle (SUV) and recreational vehicle (RV)
 Axles for small sized trucks
 Axles for medium-sized trucks
 Axles for large sized trucks
 Axles for large buses
 Axles for low floor buses
 THR20S/ST hub reduction axle
 Independent suspension axle
 Axles for forklift
 Axles for light railway vehicles

Machine tools

Gear cutting machines 
 H80
 H200
 H350
 H500
 P250
 GSP-1000
 GSV-320

CNC vertical lathe machines 
 T850VD
 T1015VC
 T1622VC
 T2025VM
 ST-25/35V(C)
 ST-40/55V(C)

Grinding machines 
 TNGP-35
 TNGA-33
 TGU(A)-32
 TGU(A)-35
 TGU-40

Universal lathe machines 
 TIPL-410
 TIPL-5

See also 

SNT Motiv
 Defense industry of South Korea

References

External links 
 SNT Dynamics Homepage
 Bloomberg Businessweek stock profile

Firearm manufacturers of South Korea
Manufacturing companies of South Korea
Defence companies of South Korea
Companies based in Changwon
Manufacturing companies established in 1959
South Korean brands
South Korean companies established in 1959