K21-105
Amphibious light tankFielded 2014Pending verification
Land ForcesKOR
Fact cardConfidence · Source
System
TypeAmphibious light tank
Date of introduction2014
ProliferationOrigin country only
ManufacturerHanwha Defense (originally Daewoo Heavy Industries, later renamed as Doosan DST, follow by Hanwha Defense Systems)Med[1]
Dimensions and weight
Automotive performance
Protection
Hull Armor2519 aluminium alloy chassis. Layers consisting of S2 glass fiber reinforced Al2O3 ceramic armor. All round protection against 14.5×114mm API projectiles as well as 20 mm FSP. Frontal armour is resistant to 30 mm APDS rounds fired from a 2AMed[1]
Explosive reactive armorSoft- and hard-kill anti-missile defense systems, ERA, NERA (only for the K21 PIP)Med[1]
Armament
Fire control
Thermal Sight Vehicle CommanderYes, The commander's sight is equipped with the same system as the gunner's. This allows the gunner to use the commander's sight to engage targets if his own sight is disabled or destroyed. The commander of the vehicle also has the ability Med[1]
Thermal Sight GunnerYes, The gunner's sight is equipped with a third generation thermal viewer and a 1.54 μm laser rangefinder. It can detect targets from 6,000 meters away and identify them from 3,000 meters away.Med[1]
Variants
Ammunition noteIt fires all standard NATO 105 mm ammunition. It can fire newly-developed smart ammunition.[1]
K21The K-21 is lighter comparing with most modern IFVs, as it was designed using composite materials to save weight wherever possible.[1]
The K21-105 is a new light tank. It was jointly developed by CMI Defense of Belgium and Doosan DST of South Korea.
Draft entry. Values come from the cited public sources and are awaiting editor verification.
- K21-105 South Korean Amphibious Light Tank, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
- 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import