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AMX 13 F3 AM

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AMX 13 F3 AM

AMX_13_F3_AM_render_1.jpg
Battle Tier
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Overview
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[Client Values; Actual values in
Specifically, the mismatch in crew values caused by commander's 10% crew skill bonus. Outside of a crew of 1 commander only, 100% crew is a fiction. The client values, given for 100% crew, will normally be taken into battle with 110% crew skill members aside from specific functions, causing their actual performance to deviate from the expected client value. These differences are taken into account in tooltip boxes.
]
935,000  Credits Cost
270270 HP Hit Points
15.05/16.516.48/18.5 t Weight Limit
Crew
  1. Commander (Radio Operator)
  2. Gunner
  3. Driver
  4. Loader
  5. Loader
Mobility
250280 hp Engine Power
60/14 km/h Speed Limit
2730 deg/s Traverse
16.6116.99 hp/t Power/Wt Ratio
YesYes Pivot
Armor
40/20/15 mm Hull Armor
Armament







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HE







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HE
Shells




















505/0




















1000/0
Shell Cost
550//700// HP Damage
38//39// mm Penetration



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2.14 r/m 

Standard Gun

Reload Times
Nominal: 28 s
50% Crew: 34.69 s
75% Crew: 30.29 s
100% Crew: 26.85 s
Rammer: 24.17 s
Vents: 26.26 s
Both: 23.63 s
Both and BiA: 23.12 s
Both and Max Crew %: 22.16 s

See Crew, Consumables, or Equipment for more information.



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1.88 r/m 

Standard Gun

Reload Times
Nominal: 31.9 s
50% Crew: 39.52 s
75% Crew: 34.5 s
100% Crew: 30.59 s
Rammer: 27.53 s
Vents: 29.92 s
Both: 26.92 s
Both and BiA: 26.34 s
Both and Max Crew %: 25.25 s

See Crew, Consumables, or Equipment for more information.
Rate of Fire






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1925

Standard Gun

Using Shell Type 1 (550 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 1925
50% Crew: 1556.5
75% Crew: 1782
100% Crew: 2007.5
100% Crew
Vents: 2051.5
Rammer: 2233
Both: 2282.5
Both and BiA: 2332
Both and Max Crew %: 2431

Advantageous Damage Per Minute
First-shot DPM: 2475
50% Crew: 2106.5
75% Crew: 2332
100% Crew: 2557.5
100% Crew
Rammer: 2783
Vents: 2601.5
Both: 2832.5
Both and BiA: 2882
Both and Max Crew %: 2981

See here, here, or here for more information.






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1316

Standard Gun

Using Shell Type 1 (700 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 1316
50% Crew: 1064
75% Crew: 1218
100% Crew: 1372
100% Crew
Vents: 1400
Rammer: 1526
Both: 1561
Both and BiA: 1596
Both and Max Crew %: 1659

Advantageous Damage Per Minute
First-shot DPM: 2016
50% Crew: 1764
75% Crew: 1918
100% Crew: 2072
100% Crew
Rammer: 2226
Vents: 2100
Both: 2261
Both and BiA: 2296
Both and Max Crew %: 2359

See here, here, or here for more information.
Damage Per Minute


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0.74 m 

With 50% Crew: 0.917 m
With 75% Crew: 0.8 m
With 100% Crew: 0.71 m
With BiA: 0.694 m
With BiA and Vents: 0.679 m
Maximum possible: 0.651 m

For more details, see Crew


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0.7 m 

With 50% Crew: 0.867 m
With 75% Crew: 0.757 m
With 100% Crew: 0.671 m
With BiA: 0.656 m
With BiA and Vents: 0.642 m
Maximum possible: 0.616 m

For more details, see Crew
Accuracy


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6 s 

With 50% Crew: 7.433 s
With 75% Crew: 6.49 s
With 100% Crew: 5.753 s
With GLD: 5.23 s
With BiA: 5.626 s
With BiA and Vents: 5.504 s
With both and GLD: 5.004 s
Maximum possible: 4.796 s

For more details, see Crew or Equipment


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6 s 

With 50% Crew: 7.433 s
With 75% Crew: 6.49 s
With 100% Crew: 5.753 s
With GLD: 5.23 s
With BiA: 5.626 s
With BiA and Vents: 5.504 s
With both and GLD: 5.004 s
Maximum possible: 4.796 s

For more details, see Crew or Equipment
Aim time
1414 deg/s Gun Traverse Speed
35° Gun Arc
-0°/+45°-0°/+45° Elevation Arc
2525 rounds Ammo Capacity
General
2015 % Chance of Fire






270 m 

With 50% Crew: 212.1 m
With 75% Crew: 241.1 m
With 100% Crew: 270 m
With Recon and Situational Awareness: 283.7 m
With Coated Optics: 297 m
With Binocular Telescope: 337.5 m
Maximum possible: 386.5 m

For more details, see Skills or Equipment






270 m 

With 50% Crew: 212.1 m
With 75% Crew: 241.1 m
With 100% Crew: 270 m
With Recon and Situational Awareness: 283.7 m
With Coated Optics: 297 m
With Binocular Telescope: 337.5 m
Maximum possible: 386.5 m

For more details, see Skills or Equipment
View Range


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400 m 

With 50% Crew: 314.3 m
With 75% Crew: 357.2 m
With 100% Crew: 400 m
With 100% Signal Boost: 480 m
When affected by 100% Relaying: 440 m
Maximum possible: 575.6 m

For more details, see Skills or Equipment


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750 m 

With 50% Crew: 589.3 m
With 75% Crew: 669.7 m
With 100% Crew: 750 m
With 100% Signal Boost: 900 m
When affected by 100% Relaying: 825 m
Maximum possible: 1079.2 m

For more details, see Skills or Equipment
Signal Range
Values are Stock - click for Top


VI

AnnoF23_AMX_13F3AM.png

935000

The AMX 13 F3 AM is a French tier 6 self-propelled gun.

At the end of the 1950s, engineers of Creusot-Loire developed the new vehicle on the shortened basis of the AMX 13. The vehicle featured a 155-mm gun. It was mass-produced from 1962 through 1997 with a total of 600 vehicles manufactured. The SPG is still in service in France, Argentina, Chile, Ecuador, Morocco, and other countries.

The AMX 13 F3 AM leads to the Lorraine 155 mle. 50.

Modules / Available Equipment and Consumables

Modules

Ico_gun_alpha.png

Guns

Tier Gun Penetration
(mm)
Damage
(HP)
Rate of fire
(rounds/minute)
Dispersion
(m/100m)
Aiming time
(s)
Weight
(kg)
Price
(Credits)

V Obusier de 155 mm C mle. 1917 38 550 2.14 0.74 6 1220 44920
VI Canon de 155 mm de 33 calibres 39 700 1.88 0.7 6 2675 65000

Ico_engine_alpha.png

Engines

Tier Engine Engine Power
(hp)
Chance of Fire on Impact
(%)
Weight
(kg)
Price
(Credits)

V SOFAM 8 Gxb 250 20 400 16000
VI Baudouin 6F 11 SRY 280 15 400 27000

Ico_suspension_alpha.png

Suspensions

Tier Suspension Load Limit
(т)
Traverse Speed
(гр/сек)
Rmin Weight
(kg)
Price
(Credits)

V AMX 13 F3 AM 16.5 27 0 3800 8600
VI AMX 13 F3 AM bis 18.5 30 0 3800 13300

Ico_radio_alpha.png

Radios

Tier Radio Signal Range
(м)
Weight
(kg)
Price
(Credits)

X SCR-528 Fr 750 80 54000
VI SCR 508 400 100 21600


Compatible Equipment

Light Spall Liner Camouflage Net Fill Tanks with CO2 Coated Optics Experimental Optics Wear-Resistant Gun Laying Drive Innovative Loading System Extended Spare Parts Kit Enhanced Gun Laying Drive Enhanced Torsion Bars 1 t Class Medium-Caliber Artillery Shell Rammer Binocular Telescope Toolbox "Wet" Ammo Rack Class 1 

Compatible Consumables

Automatic Fire Extinguisher Natural Cover Optical Calibration Aim Tuning Experienced Firefighters 100-octane Gasoline 105-octane Gasoline Manual Fire Extinguisher Strong Coffee Large First Aid Kit Large Repair Kit Duty Comes First Shell Organizer Orderly Ammo Rack Focus on Target Increased Focus Small First Aid Kit Small Repair Kit Gearbox Intricacy Steady Hand Pre-Battle Maintenance Combat Course 


Player Opinion

Pros and Cons

Pros:


  • Good top speed and acceleration
  • Low profile and good camouflage value
  • Asymmetrical gun arc is helpful in niche situations
  • Largest caliber, highest damage and penetration shell for a Tier 6 SPG
  • Good shell dispersion while stationary


Cons:


  • High dispersion while turning or moving
  • Asymmetrical gun arc can be a bit tricky to utilize
  • Absolutely no gun depression
  • Long aim-time
  • Poor DPM (longest reload of any Tier 6 tank)


Performance

The Amx 13 F3 AM is one of the most mobile tier 6 artillery pieces, having a good acceleration and top speed. To add to this, the camouflage values of this artillery are very good, since it has a low profile. These attributes make the AMX 13 a stealthy, easy-to-relocate SPG that can utilize its mobility to move to better firing lines quickly to get shots on tanks that think they are safe. This, combined with the highest alpha damage at-tier of 700 damage on its HE round (tied with the O-I), makes it a threat to any tank it faces and can one-shot many lower-tier tanks.

Despite a long aim time and the longest reload at Tier 6, the AMX 13's fully-aimed accuracy remains quite good due to low dispersion and a relatively high shell velocity — you shouldn't have many problems hitting your targets. The asymmetrical gun arc has a bit of a learning curve but for normal use, the angle that you are given to shoot from is quite generous and there is a fair margin for turning the gun without having to turn the hull. Make sure you're always angling your SPG to the left a bit, as this will maximize the use of your gun arc.

Surprisingly, despite to its good accuracy and wide gun arc, it performs very poorly as a shotgunner. Its high bloom and lack of gun depression make shotgunning tanks tricky, relegating it to ambush tactics and relying on its first (and only) shot to kill the enemy. Position on the downslope of a hill to allow your gun to point farther down and increase your chances of a hit.


Early Research

  • The Baudouin 6F 11 SRY Engine and SCR 528F Radio carry over from the AMX 13 105 AM mle. 50. Mount them immediately.
  • Next, research the AMX 13 F3 AM bis Suspension.
  • Finally, research the Canon de 155 mm de 33 calibres Gun.


Suggested Equipment


Camouflage Net Medium-Caliber Artillery Shell Rammer Enhanced Gun Laying Drive 


Gallery

Historical Info

AMX 13 F3 AM or Canon de 155 mm Mle F3 Automoteur (Cn-155-F3-Am) was a 155 mm SPG developed in the early 1950s by the French Army to replace their aging American M41 Gorilla 155mm self-propelled guns. The Mk F3 is the smallest and lightest 155 mm motorized gun carriage ever produced. Due to its size and low cost, it has found considerable success in the export market. Constructed on a modified AMX-13 light tank chassis, the Mk F3 is novel, incorporating room inside for only two of the eight required crewmen (the others riding in support vehicles). This allowed the 155 mm gun to be placed on a smaller and more mobile chassis than that employed by other armies, but also exposed the crew members to arms fire and splinters.

Backround

AMX 13 F3 in a deployed position

In the early 1950s the French Army desired to replace their aging American M41 howitzers with an indigenous design, based on the AMX-13 light tank chassis. The result of these efforts was the Mk. F3 that entered production in the early 1960s. Its low cost and light weight made it a very popular weapon system on the export market. It was exported to a number of South American and Middle Eastern countries, and remained in production until the early 1980s, long after the French Army had themselves converted to the fully enclosed GCT 155mm self-propelled artillery system.

Design features

The Mk F3 is essentially a modified AMX-13 light tank chassis with the rear idler removed and the hull modified to accept a 155 mm cannon and its recoil, elevating and traversing mechanisms, including two rear spades which reversed into the ground to give added stability when firing. The 155 mm gun was designed by the Atelier de Construction de Tarbes (ATS), and the chassis by the Atelier de Construction Roanne (ARE). Integration of the gun with the chassis and all firing trials were undertaken by the Etablissement d'Etudes et de Fabrications d'Armement de Bourges (EFAB). Because the ARE was tooling up for production of the AMX-30 main battle tank, production of the whole AMX-13 tank family, including the F3 155 mm self-propelled gun, was transferred to Mécanique Creusot-Loire.

The F3 fired the standard 155 mm high-explosive projectile and is also capable of firing the smoke, illumination and rocket-assisted rounds. The effective range is 20,050 m with 43.75 kg HE rounds. The hull of the Mk F3 is of all-welded steel armor measuring 10 to 20 mm, providing the two occupants with protection from small arms fire and shell splinters. The layout is conventional, with the driver's compartment at the front on the left, engine compartment to the right and the 155 mm gun above at the rear. A splashboard is mounted at the front of the hull to stop water from rushing up the glacis plate when the vehicle is fording streams.
AMX 13 F3 designed to replace M41 in French army service
A replacement road wheel is often carried on the glacis plate. The driver has a single-piece hatch that opens to the left and is provided with three daylight periscopes, the center one of which is replaceable by an image intensification (or thermal) periscope for night driving. The commander is seated behind the driver and has a two-piece hatch that opens to either side. The commander is also provided with three daylight periscopes.

The torsion bar suspension consists of five single rubber-tyred road wheels with the drive sprocket at the front and the fifth roadwheel acting as the idler. There are three track-return rollers. The first and last road wheel stations have hydraulic shock-absorbers. The steel tracks can be fitted with rubber pads if required. Stowage containers are provided along each side of the upper part of the hull. Standard equipment includes a loudspeaker and a cable reel with 400 m of cable.

Design flaws

AMX 13 F3, smallest 155mm SPG ever built

Weaknesses to the Mk F3 design included a lack of nuclear-biological-chemical (NBC) protection for its crew. It also could accommodate only two of the eight crew members needed to operate the weapons system. The remaining six crew members and 25 rounds of ammunition travel in support vehicles, normally AMX-VCIs. If necessary, the additional crew members can travel on the upper deck of the vehicle, but in all cases, the crew members must remain outside the vehicle and exposed to arms fire.

Production

A total of around 600 vehicles was produced until the late eightees, with the last 10 units delivered to Morocco as late as 1997. Besides the French army, the system was widely exported and used by the armies of Argentina, Chile, Ecuador, Morocco, Saudi Arabia, Peru, Venezuela, and Qatar.


Historical Gallery

France
Light Tanks IRenault FT IID1 IIFCM 36 IIRenault R35 IIHotchkiss H35 IIIAMX 38 IVAMX 40 VAMX ELC bis VIAMX 12 t VIIAMX 13 75 VIIAMX 13 57 GF VIIIBat.-Châtillon 12 t IXAMX 13 90 XAMX 13 105
Medium Tanks IIID2 IIISomua S35 IVSARL 42 VRenault G1 VIIILorraine 40 t VIIIAMX Chasseur de chars VIIIM4A1 Revalorisé IXAMX 30 1er prototype IXBat.-Châtillon 25 t AP XBat.-Châtillon 25 t XAMX 30 B
Heavy Tanks IVB1 VBDR G1 B VIARL 44 VIIAMX M4 mle. 45 VIIIAMX 50 100 VIIIAMX M4 mle. 49 VIIIFCM 50 t IXAMX 50 120 XAMX 50 B
Tank Destroyers IIRenault FT AC IIIFCM 36 Pak 40 IIIRenault UE 57 IVSomua SAu 40 VS35 CA VIARL V39 VIIAMX AC mle. 46 VIIIAMX AC mle. 48 VIIIAMX Canon d'assaut 105 IXAMX 50 Foch XAMX 50 Foch (155) XAMX 50 Foch B
Self-Propelled Artillery IIRenault FT 75 BS IIILorraine 39L AM IVAMX 105 AM mle. 47 VAMX 13 105 AM mle. 50 V105 leFH18B2 VIAMX 13 F3 AM VIILorraine 155 mle. 50 VIIILorraine 155 mle. 51 IXBat.-Châtillon 155 55 XBat.-Châtillon 155 58
Self-Propelled Guns
USA IIT1 HMC IIIT18 HMC IIIM7 Priest IVT82 HMC IVM37 VM41 HMC VIM44 VIIM12 VIIIM40/M43 IXM53/M55 XT92 HMC
UK IILoyd Gun Carriage IIISexton II IIISexton I IVBirch Gun VBishop VIFV304 VIICrusader 5.5-in. SP VIIIFV207 IXFV3805 XConqueror Gun Carriage
Germany IIG.Pz. Mk. VI (e) IIISturmpanzer I Bison IIIWespe IVPz.Sfl. IVb IVSturmpanzer II VGrille VIHummel VIIG.W. Panther VIIIG.W. Tiger (P) IXG.W. Tiger XG.W. E 100
France IIRenault FT 75 BS IIILorraine 39L AM IVAMX 105 AM mle. 47 VAMX 13 105 AM mle. 50 V105 leFH18B2 VIAMX 13 F3 AM VIILorraine 155 mle. 50 VIIILorraine 155 mle. 51 IXBat.-Châtillon 155 55 XBat.-Châtillon 155 58
USSR IISU-18 IIISU-26 IVSU-5 VSU-122A VISU-8 VIIS-51 VIISU-14-1 VIIISU-14-2 IX212A XObject 261
China
Japan
Czechoslovakia
Sweden
Poland