A replacement for the South Korean K200 series infantry fighting vehicles, formerly designated as K300 or XK21 KNIFV (Korea Next-generation Infantry Fighting Vehicle), is currently called the K21 NIFV. The initial production was set for 2008, with the Republic of Korea Army planning to field approximately 466 units. It is designed to effectively defeat other IFVs as heavily armed and armored as the BMP-3.

Class Vehicle
Type Infantry Combat Vehicle
Manufacturer Doosan Group
Origin South Korea
Country Name Origin Year
South Korea 2009
Country Name Operational Year Retirement Year
South Korea 2009 View
ManufacturerName Production From Production To Quantity
Doosan Group 2009 View

Development began in 1999. A $77 million contract was awarded to Doosan DST for the NIFV prototype in 2003. Three prototype vehicles were delivered to the ROK Army in 2005. A contract for the first batch of K21 vehicles was signed in October 2008 worth $386.7 million. Production began in November 2009 after a ten-year development period. K21s will be deployed from 2013 through 2016.

Type Infantry fighting vehicle
Place of origin South Korean
Service history
In service 2009-present
Production history
Designed 1999-2008
Manufacturer Doosan DST
Produced 2009-present
Weight 25 t (25 long tons; 28 short tons)
Length 6.9 m (23 ft)
Width 3.4 m (11 ft)
Height 2.6 m (8.5 ft)
Crew 3 crew + 9 passengers
Armor Layers consisting of glass fiber reinforced ceramic armor
All round protection against 14.5 mmAPI projectiles.
Frontal armour is resistant to 30 mm APDS rounds fired from a 2A72 autocannon (standard on BMP-3 turrets)
Roof armour is resistant to 155 mm artillery shell fragments
Soft- and hard-kill anti-missile defense systems, ERA, NERA (only for the K21 PIP)
40 mm AutoCannon
Two ATGM Launchers
7.62 mm MG
Engine Doosan- D2840LXE diesel
740 hp (840 hp for the PIP)
Power/weight 29,6 hp/tonne
Suspension In-arm Suspension Unit
500 km (310 mi)
Speed 70 km/h (43 mph) (road)
40 km/h (25 mph) (cross-country)
7 km/h (4.3 mph) (water)

End notes