D
Missile ForcesRussia

2K11 Krug (SA-4 Ganef)

Medium-range surface-to-air missile systemFielded 1965Pending verification

Also known as: 2K11 ZRD-SD

Missile ForcesRUS
2K11 Krug (SA-4 Ganef)
Photo: Andrey Butko · CC BY-SA 3.0, Wikimedia Commons
Fact cardConfidence · Source
System
TypeMedium-range surface-to-air missile system
Alternative designations2K11 ZRD-SD
Date of introduction1965
ProliferationAt least 7 countries
ManufacturerMZiKMed[1]
Crew3–5Med[1]
Flight performance
ChassisGM-123 chassisMed[1]
EngineV59Med[1]
Thrust / power420 hpMed[1]
Protection
Hull Armor15 mmMed[1]
Turret Armor15 mmMed[1]
NBC ProtectionCollective overpressureMed[1]
Payload and range
Maximum range780 km485 mi · 421 nmiMed[1]
Fire control
Guidanceradio command with semi-active radar terminal homingMed[1]
Variants
Krug-Afirst operational deployment version, entered service in 1967[1]
Krug-M:a modified version of Krug-A, entered service in 1971[1]
Krug-M1a modified version of Krug-M, entered service in 1974[1]
Weapons and payload options · 3Confidence · Source
2P24 SPU launch vehicleArmament
Med[1]
9M33Suface-to-Air Missile
Med[1]
Range
55 km34 mi · 30 nmi
Quantity
2 ea
Type
Suface-to-Air Missile
Guidance
Radio command
Warhead
Frag-HE
Warhead weight
150 kg
Speed
Mach 4
Length
8,784 m
1S32 Pat Hand SSNRH-band continuous wave fire control and guidance radar
Med[1]
Range
128 km80 mi · 69 nmi
Type
H-band continuous wave fire control and guidance radar
Summary

The 2K11 Krug (NATO code SA-4 Ganef) is a Soviet-made medium-range air defense missile. The development of the system started in 1958.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
RussiaArmeniaAzerbaijanKyrgyzstanSyriaTurkmenistanUkraine
Sources
  1. 2K11 Krug (SA-4 Ganef) Russian Medium-Range Surface-to-Air Missile (SAM) System, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (CC BY-SA 3.0)