Challenger Mk.3

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Tank, Combat, 120-mm Gun, Challenger Mk.3
General characteristics
4 peopleCrew
88 %Visibility
front / side / backArmour
130 / 45 / 25Hull
160 / 105 / 44Turret
65.0 tWeight
2 290 hp1 200 hpEngine power
35 hp/t19 hp/tPower-to-weight ratio
61 km/h forward
40 km/h back
55 km/h forward
36 km/h back
120 mm L11A5 cannonMain weapon
52 roundsAmmunition
4 roundsFirst-order
5.0 / 6.5 sReload
-10° / 20°Vertical guidance
7.62 mm L37A2 machine gunMachinegun
3 600 roundsAmmunition
8.0 / 10.4 sReload
100 roundsBelt capacity
650 shots/minFire rate
7.62 mm L8A2 machine gunCoaxial weapon
2 400 roundsAmmunition
8.0 / 10.4 sReload
200 roundsBelt capacity
600 shots/minFire rate
250 000 Rp icon.pngResearch
690 000 Sl icon.pngPurchase
Sl icon.png3 900 / 6 158/4 600 / 7 263/4 800 / 7 579Repair
200 000 Sl icon.pngCrew training
690 000 Sl icon.pngExperts
2 100 Ge icon.pngAces
226 % Rp icon.pngReward for battle
140 % Sl icon.png150 % Sl icon.png120 % Sl icon.png
This page is about the British medium tank Challenger Mk.3. For other uses, see Challenger (Disambiguation).


GarageImage Challenger Mk.3.jpg

The Tank, Combat, 120-mm Gun, Challenger Mk.3 (shortened as Challenger Mk.3) is a rank VI British medium tank with a battle rating of 9.7 (AB/RB/SB). It was introduced in Update 1.85 "Supersonic".

The Challenger Mk.3 retains most of the characteristics of the Challenger Mk.2. It has some unique differences; such as: "ROMOR-A ERA" which covers the lower glacis and sides, along with the addition of the ammunition storage being covered with rolled homogeneous armour. It retains the same engine (1200 hp) as the Mk.2, however with a minor increase in weight it suffers slightly reduced mobility and acceleration. Its iconic, legendary, and pin-point accurate gun stays the same as on the Challenger Mk.2.

General info

Survivability and armour

The armour protection on the Challenger Mk.3 is excellent in some areas and bad in others. The upper half of the turret cheeks are capable of withstanding almost all kinetic penetrators and will stop most chemical penetrators with less than 800 mm, while the lower half won't protect against most top-rank rounds. Additionally, the breech weak spot is quite small. This means the turret has excellent protection and hulldown play is recommended. The hull composite is only good against lower penetrating APFSDS rounds such as T-55AM, and can also withstand some chemical munitions, but it is not advised to rely on this armour. The rest of the tank (turret and hull sides, lower front plate) has decent protection against chemical rounds due to the add on armour, ERA, and thick turret sides.

Armour Front (Slope angle) Sides Rear Roof
Hull ___ mm ___ mm Top
___ mm Bottom
___ mm ___ - ___ mm
Turret ___ - ___ mm Turret front
___ mm Gun mantlet
___ - ___ mm ___ - ___ mm ___ - ___ mm
Cupola ___ mm ___ mm ___ mm ___ mm



Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 61 40 65 1,860 2,290 28.62 35.23
Realistic 55 36 1,061 1,200 16.32 18.46

The Challenger Mk.3 has an acceptable top speed, however, acceleration and mobility (primarily due to its weight) are lacklustre compared to other MBTs.

Module rotation speed 90 Degrees 180 Degrees 360 Degrees
Tank Hull 5 Seconds 10 Seconds 20 Seconds
Tank Turret 3 Seconds 6 Seconds 12 Seconds
Test Conditions *Tested with a spaded Challenger Mk.3, crew at maximum skill, with basic training qualification. Results can vary based on tank research state, crew levels & qualifications.


Main armament

Main article: L11A5 (120 mm)

The Challenger's main gun, while not the most powerful at its rank, is competitive, and more importantly, accurate. With a little over 400 mm of penetration at maximum, aim for weak spots (particularly when facing higher-ranked vehicles such as the T-80U, Leopard 2A5, etc) and make use of the Challenger's good reload speed.

120 mm L11A5 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 52 -10°/+20° ±180° Two-plane __.__ __.__ __.__ __.__ __.__ _.__ _.__ _.__ _.__
Realistic __.__ __.__ __.__ __.__ __.__


Penetration statistics
Ammunition Type of
Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Shot L23 APFSDS 410 408 405 400 390 380
Shell L31A7 HESH 152 152 152 152 152 152
Shot L23A1 APFSDS 396 394 387 376 367 357
Shell details
Ammunition Type of
Mass (kg)
Fuse delay
Fuse sensitivity
Explosive Mass
(TNT equivalent) (g)
0% 50% 100%
Shot L23 APFSDS 1,535 3.89 N/A N/A N/A 76° 77° 80°
Shell L31A7 HESH 670 17.1 0.4 0.1 6,560 73° 77° 80°
Shot L23A1 APFSDS 1,535 3.89 N/A N/A N/A 78° 80° 81°
Smoke shell characteristics
Ammunition Velocity
Mass (kg)
Screen radius
Screen deploy time
Screen hold time
Explosive Mass
(TNT equivalent) (g)
L34 670 17.1 20 5 25 50

Ammo racks

rack empty
rack empty
rack empty
rack empty
rack empty
rack empty
52 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Machine guns

It is possible to switch to the machine-gun as the main weapon and use thermals through the machinegun sight to get a better view of the situation while hulldown.

7.62 mm L37A2
Mount Capacity (Belt) Fire rate Vertical Horizontal
Pintle 3,600 (100) 650 -10°/+50° ±120°
7.62 mm L8A2
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 2,400 (200) 600 N/A N/A

Usage in battles

Urban Environments

In urban environments, the Challenger will struggle relative to the T-80B, M1 Abrams and Leopard 2A4 - it's large, heavy and sluggish which proves costly in close quarters or when engagements occur in open streets. While the Challenger's gun still proves effective, often opposition vehicles will achieve valuable positioning before a Challenger can, forcing the Challenger tanker to play defensively. However, playing carefully and avoiding obvious routes, the Challenger can be comfortably put to use in urban environments.

Rural Environments

The Mk.3 performs very well in rural areas, where defilades and ditches that can be used for cover are far more readily available. The Challenger is still best played in hull-down defensive positions, clearing areas of maps before moving up, but a patient playstyle will be rewarded. Make use of the vehicle's good gun depression and competitive reload, utilising off-angles and hull-down positions. If a situation begins to degrade, make use of the Challenger's reasonably good reverse speed and reposition.


Tier Mobility Protection Firepower
I Tracks Parts Horizontal Drive
II Suspension Brake System FPE Adjustment of Fire NVD
III Filters Crew Replenishment Elevation Mechanism L34 Smoke grenade
IV Transmission Engine ESS Laser rangefinder Shot L23A1 Artillery Support

Pros and cons


  • Decent turret armour
  • Reasonably small breech
  • Good chemical resistance on front/sides
  • Good neutral steering
  • Decent reverse speed
  • Reasonably good reload, particularly for a 120 mm


  • Gun has lacklustre penetration values; must aim for weak spots
  • The lower half of the turret cheeks are vulnerable to some higher-tier rounds
  • Slower than most of the vehicles it faces, albeit not by a huge margin
  • Hull is very vulnerable to kinetic rounds
  • Cannot shoot straight over its engine deck


Describe the history of the creation and combat usage of the vehicle in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the vehicles;
  • links to approximate analogues of other nations and research trees.

External links

Britain medium tanks
Cromwell  Cromwell I · Cromwell V · Cromwell V (RP-3)
Based on Cromwell  Challenger · Comet I · Comet I "Iron Duke IV"
Centurion  Centurion Mk 1 · Centurion Mk 3 · Centurion Mk.5 AVRE · Centurion Mk 10 · Centurion Action X · FV4202
Chieftain  Chieftain Mk 3 · Chieftain Mk 5 · Chieftain Mk 10
Challenger  Challenger Mk.2 · Challenger Mk.3 · Challenger 2 · Challenger 2 (2F)
Valentine  Valentine I · Valentine IX · Valentine XI
Vickers  Vickers MBT · Vickers Mk.7
Foreign  Grant I (USA) · Sherman IC "Trzyniec" (USA) · Sherman Firefly (USA) · Sherman II (USA)
  A.C.IV (Australia) · Strv 81 (RB 52) (Sweden) · Sho't Kal Dalet (Israel)