The 4K series has undergone a series of upgrades mainly involving the uprating of the engine and the external distinguishing factor between the various
versions appear to be the following:
4K3FA - Two light clusters & protective cage, 230hp engine, glacis access hatch with 2 handles.
4K4FA - Single light clusters, 250hp engine, larger glacis access hatch touching glacis edge.
4K7FA - Single light clusters, chocks, 320hp engine, full-width side-hinged glacis access doors.
G127 - Single light clusters, chocks, 325hp engine, full-width top-hinged glacis access doors.
Leonidas - Single light clusters & protective bar, 320hp engine, full-width top-hinged glacis access doors.
VARIANTS OF THE SERIES
4K2P - See 4K3F .
4K3F - PreProduction Prototype APC used for automotive trials.
4K3F [Variant 1] - PreProduction Prototype APC fitted with open HMG mount.
4K3F [Variant 2] - PreProduction Prototype APC fitted with shield on HMG mount.
4K3F-G2 - PreProduction Prototype infantry combat vehicle.
4K3F-San - PreProduction Prototype ambulance version.
4K3FA-BSPz - Artillery observation post vehicle.
4K3FA-Fu1 - Brigade command post vehicle.
4K3FA-Fu2 - Battalion command post vehicle.
4K3FA-FuA1 - Artillery command post vehicle.
4K3FA-FuA2 - Artillery command post vehicle.
4K3FA-FuA3 - Artillery command post vehicle.
4K3FA-FuA4 - Artillery command post vehicle.
4K3FA-Fu/Fla - Anti-aircraft command post vehicle.
4K3FA-FS - Wireless teleprinter vehicle.
4K3FA-FS2 - Communications vehicle with LMG on cupola.
4K3FA-G1 - Improved production APC with HMG in protected mount.
4K3FA-G2 - Original production version fitted with one-man turret and 20mm cannon.
4K3FA-G2K - Fitted with 20mm GAD-AOA turret with BMK-KAA external AA sight.
4K3FA-GRW1 - 81mm mortar portee.
4K3FA-San - Original production ambulance version.
4K3H - 1956 Prototype with high hull and no top rollers.
4K4F - Armoured personnel carrier with remote-control 50cal on cupola.
4K4FA-BSPz - Artillery observation post vehicle.
4K4FA-FuA1 - Upgraded 4K3FA-FuA1 with 250hp engine & single headlights.
4K4FA-G1 - 4K3FA-G1 fitted with new engine.
4K4FA-G2 - 4K3FA-G2 fitted with new engine.
4K4FA-GrW1 - 81mm mortar carrier.
4K4FA-GrW2 - 120mm mortar carrier.
4K4FA-San - Upgraded 4K3FA-San.
4K6FA-B - See Greif [Prototype] .
4K7FA [AMC-81] - Turreted 81mm mortar carrier.
4K7FA [FCSV-90] - Prototype fire support vehicle with GIAT 90mm TS-90 turret.
4K7FA [Prototype] - Prototype G127 vehicle with one-man turret fitted with HMG & LMG.
4K7FA [Prototype Variant 1] - Fitted with one-man turret armed with 30mm RARDEN cannon.
4K7FA-F - Command post vehicle with 320hp engine & single headlights.
4K7FA-FuA1 - Upgraded 4K3FA-FuA1 with 320hp engine & single headlights.
4K7FA FLA 1/2.20 - Prototype twin 20mm spaag.
4K7FA FLA 3/2.30 - Prototype twin 30mm spaag.
4K7FA-G1 - Upgraded 4K4FA-G2 with 320hp engine & single headlights.
4K7FA-G1 [Prototype] - Prototype with additional sidelights.
4K7FA-G1-LWT - MAPADS team vehicle.
4K7FA-GrW1 - 81mm mortar carrier.
4K7FA-KSPz - Upgraded 4K4FA-G2 with 320hp engine & single headlights.
4K7FA-KSPz [Variant 1] - Fitted with MBSGD on sides of turret.
4K7FA-KSPz [Prototype] - Prototype with 2 ball-type firing ports in each side.
4K7FA-P2000 - BILL teams vehicle.
4K7FA-San - Upgraded 4K4FA-San with 320hp engine & single headlights.
4KH6FA-FL/12 - Prototype for the SK-105.
4KH6FA-SB - See Greif .
4KH6FA-SB20 - See Greif II .
4KH7FA-Pi - Combat engineer version.
Beobachtungsschützenpanzer - See 4K3FA-BSPz , 4K4FA-BSPz
G127 - Export apc version of the 4K7FA series.
G127 [Variant 1] - Improved IFV version of the G127.
Greif - Original armoured recovery version.
Greif [Prototype] - Prototype version with single pulley wheel on front.
Greif II - Improved armoured recovery version.
JagdPanzer K - Austrian Army SK 105 fitted with external LRF.
JagdPanzer K [Variant 1] - JagdPanzer K fitted with modified gun and new single-baffle muzzle-brake.
JagdPanzer KA1 - Austrian Army version with searchlight relocated to alongside main armament.
JagdPanzer KA2 - Austrian Army version fitted with new FCS with thermal viewer and autoloader.
JagdPanzer KA3 - Austrian Army prototype with additional armour and new day/night sight.
Kurassier - Export version fitted with AMX-13/105 turret
Kurassier I - Export version fitted with improved FCS and automatic loader.
Kurassier II - Export version fitted with uparmoured turret.
Kurassier II [Variant 1] - Export version with additonal armour and LLTV system.
Kurassier III - Export version with uparmoured turret and low-recoil 105mm gun.
Leonidas - Series of vehicle produced by Greece.
LoschPanzer 77 - Fire-fighting variant.
Patagon - Argentinian variant of the SK-105.
Saurer 4K - Original 1958 design study.
Saurer 4K FlakFahrZeug - Design study for anti-aircraft vehicle.
Saurer 4K 2cm - Design study for reconnaissance vehicle with gun in low turret.
Saurer4K KraftFahrZeug - Design study for cargo carrier version.
Saurer 4k mit Rueckstossfrei Gewehr - Anti-tank vehicle with six recoilless rifles in parallel mount.
SK 105 - Manufacturers designation for the basic original version.
SK 105 [DTT] - Turretless vehicle used for driver instruction.
SK 105A1 - Manufacturers designation for the version with 105mm G1 gun. Prototype only
SK 105A2 - Manufacturers designation for the A1 with 370hp engine. Prototype only.
SK-105A2 AR - Argentinian upgrade of their SK-105A1.
SK 105A3 - Manufacturers designation for the version with extral turret armour & 105mm LR gun.
SchutzenPanzer - See 4K3FA-G1 , 4K4FA-G1 , 4K3FA-G2 , 4K4FA-G2 , .
SchutzenPanzer A1 - See 4K7FA-KSPz .
SchutzenPanzer A1/P2000 - See 4K7FA-P2000 .
SchutzenPanzer-GrW1 - See 4K3FA-GRW1 , 4K4FA-GrW1 , 4K7FA-GrW1 .
SchutzenPanzer-GrW2 - See 4K4FA-GrW2 .
SchutzenPanzer-FuA1 - See 4K3FA-FuA1 , 4K4FA-FuA1 , 4K7FA-FuA1 .
SchutzenPanzer-FuA2 - See 4K3FA-FuA2 .
SchutzenPanzer-FuA3 - See 4K3FA-FuA3 .
SchutzenPanzer-FuA4 - See 4K3FA-FuA4 .
SchutzenPanzer-FuFla - See 4K3FA-Fu/Fla .
SchutzenPanzer-FS - See 4K3FA-FS .
SchutzenPanzer-Fu1 - See 4K3FA-Fu1 .
SchutzenPanzer-Fu2 - See 4K3FA-Fu2 .
SchutzenPanzer-LWT - See 4K7FA-G1-LWT .
SchutzenPanzer-San - See 4K3FA-San , 4K4FA-San , 4K7FA-San .
SchutzenPanzer 4K mit Turm AMX13 - Experimental fitting of AMX13 turret on 4K3F hull, 1966.
Austria,
Argentina ,
Botswana
Bolivia ,
Brazil ,
Macedonia
Morroco,
Tunisia ,
GENERAL RECOGNITION POINTS
Five medium roadwheels with top rollers.
Low hull.
Rear engine versions have conventional exhaust at rear.
Front-engine versions have ventilation slots at front of right-hand-side hull upper plate.
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