Combat vehicles / Fire support vehicles / SK 105

SK 105

General Facts

  • TYPE
    Light tank

  • ORIGIN
    Austria

  • NICKNAMES
    Kürassier (official nickname)
    Jagdpanzer Kürassier / JaPz K (Austrian designation)
    4KH7FA-SB 20 (factory designation for Greif)
    4KH7FA-B (Austrian designation for Greif)
    4KH7FA-AVE (factory designation for Pionier)
    4KH7FA-Pi (Austrian designation for Pionier)

  • DESIGNED
    1965 - 1969

  • DESIGNER
    Steyr-Daimler-Puch

  • PRODUCTION
    1971 - 2001 (or even later)

  • PRODUCERS
    Austria - Steyr-Daimler-Puch

  • QUANTITY
    About 600

  • UNIT COST
    Unknown

  • CHARACTERISTICS
    Good firepower
    High mobility
    High level of protection
    Armament not stabilized

Introduction

The SK 105 is a light tank of Austrian origin. It was developed in the late 1960's to meet the requirements of the Austrian army. Subsequently it has been widely exported and production lasted some 30 years.

Layout

The SK 105 is based on the Austrian 4K 4FA armored personnel carrier. The driver is seated at the front, the commander and gunner in the turret and the engine and drive train is mounted at the rear. The turret oscilates, meaning that the upper part and gun mount pivot on the lower part. The turret is similar to the one used on the late production French AMX-13 light tank.

Firepower

The main armament consists of the 105mm G1 rifled cannon. The gun is fed from two six round magazines allowing a rate of fire of 12 rounds per minute until the gun must be loaded by hand. The maximum range of the HEAT projectile is 2.7 km and APFSDS projectiles can penetrate a NATO single heavy target at 1.2 km. A 7.62mm MG74 machine gun is mounted as a coaxial weapon.

Protection

The steel armor provides protection against 20mm projectiles over the frontal arc. All around it protects from small arms fire and shell splinters. An NBC system is standard and six smoke grenade launchers are fitted.

Mobility

The tracked chassis provides a good road speed and cross country mobility. A 320 hp turbocharged diesel provides propulsion. The SK 105 is not amphibious.

Users

The SK 105 was acquired in quantity by Austria. Additionally it has been widely exported, mainly to South America and North Africa. It remains in widespread use today.

Variants

SK 105

The SK 105 is a light tank that is armed with a 105mm rifled gun. The chassis is based on the 4K 4FA armored personnel carrier. The capabilities of the SK 105 differ in detail per nation. Late production vehicles feature a better engine and stabalized armament. In Austrian services some vehicles have been upgraded with an improved gun, fire suppression system and better fire control equipment.

TypeLight tank
Crew3 (commander, driver, gunner)
Length5.58 m (hull), 7.74 m (gun forward)
Width2.5 m
Height2.53 m (commander's cupola)
Ground clearance0.4 m
Weight17.7 t combat load
Ground pressure0.67 kg/cm2
WheelbaseTracked chassis, 5 roadwheels, idler front, sprocket rear, 3.04 m length, 0.38 m width, 2.12 m track
Turn radius8.5 m
EngineSteyr 7FA 6-cylinder turbocharged diesel, 320 hp at 3.200 rpm
Power ratio18.1 hp/t
TransmissionZF6 HP 600 automatic, 6 forward, 1 reverse
Speed70 km/h
Fuel420 L
Range500 km
Wall0.8 m
Trench2.41 m
Gradient75% gradient, 40 % slope
Fording1 m
ArmorSteel, 8 to 40 mm
NBC equipmentYes
Night visionYes
Smoke2x3 smoke grenades
Remarks-
Armament105mm G1 cannon
7.62mm MG74 coaxial MG
7.62mm MG74 roof MG (optional)
Weapon1105mm G1 rifled cannon in turret
42 rounds, 12 ready to fire
-8, + 12 degrees elevation, 5°/s
360 degrees traverse, 26°/s
non-stabilized
Weapon27.62mm MG74 coaxial machine gun
traverse and elevation as main armament
2.000 rounds
non-stabilized
Weapon37.62mm MG74 machine gun on roof (optional)
manual traverse and elevation
non-stabilized
Weapon4-
Weapon5-
Weapon6-

Greif

The Greif is an armored recovery vehicle based on the chassis of the SK 105. Instead of a turret is has been fitted with an armored superstructure that houses the crew of four. It is equipped with a winch and a crane. The Pionier is similar to the Greif, but was developed as an armored engineer vehicle. A less powerful winch and a dozer blade are installed. Instead of a crane an excavator arm is mounted.

TypeArmored recovery vehicle
Crew4 (commander, driver, 2 crew)
Length6.71 m
Width2.5 m
Height2.3 m (hull top), 3.02 m (max)
Ground clearance0.4 m
Weight19.8 t
Ground pressure0.75 kg/cm2
WheelbaseTracked chassis, 5 roadwheels, idler rear, sprocket front
Turn radius7.3 m
EngineSteyr 7FA 6-cylinder turbocharged diesel, 320 hp at 3.200 rpm
Power ratio16.2 hp/t
TransmissionZF6 HP 500 automatic, 6 forward, 1 reverse
Speed68 km/h
Fuel500 L
Range625 km
Wall0.8 m
Trench2.1 m
Gradient70% gradient, 40% slope
Fording1 m
ArmorSteel
NBC equipmentNo
Night vision?
Smoke4x smoke discharger
Remarks6 t crane, 20 t winch, dozer blade
Armament12.7mm M2HB heavy machine gun
Weapon112.7mm M2HB heavy machine gun on rood
1.500 rounds, 100 ready to fire
manual elevation and traverse, non-stabilized
Weapon2-
Weapon3-
Weapon4-
Weapon5-
Weapon6-
TypeArmored engineer vehicle
Crew4 (commander, driver, 2 crew)
Length7.49 m
Width2.5 m
Height2.3 m (hull top), 3.15 m (max)
Ground clearance0.4 m
Weight21.0 t
Ground pressure0.82 kg/cm2
WheelbaseTracked chassis, 5 roadwheels, idler front, sprocket rear, 3.04 m length, 0.38 m width, 2.12 m track
Turn radius8 m
EngineSteyr 7FA 6-cylinder turbocharged diesel, 320 hp at 3.200 rpm
Power ratio15.2 hp/t
TransmissionZF6 HP 500 automatic, 6 forward, 1 reverse
Speed65 km/h
Fuel500 L
Range600 km
Wall?
Trench2.1 m
Gradient70% gradient, 40% slope
Fording1 m
ArmorSteel
NBC equipmentNo
Night vision?
Smoke4x smoke discharger
Remarksdozer blade, 8 t winch, hydraulic boom with ditcher or auger
Armament12.7mm M2HB heavy machine gun
Weapon112.7mm M2HB heavy machine gun on rood
1.500 rounds, 100 ready to fire
manual elevation and traverse, non-stabilized
Weapon2-
Weapon3-
Weapon4-
Weapon5-
Weapon6-

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