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Tank, Combat, Full-Tracked, 152-mm Gun/Launcher XM-803
General characteristics
3 peopleCrew
86 %Visibility
front / side / backArmour
89 / 35 / 25Hull
203 / 165 / 25Turret
51.7 tWeight
2385 hp1250 hpEngine power
46.1 hp/t24.2 hp/tPower-to-weight ratio
72 km/h forward
72 km/h back
64 km/h forward
64 km/h back
152 mm XM150E5 gun/launcherMain weapon
53 roundsAmmunition
26 roundsFirst-order
7.5 sReload
-10° / 20°Vertical guidance
12.7 mm M85 machine gunMachinegun
1000 roundsAmmunition
8 / 10.4 sReload
200 roundsBelt capacity
626 shots/minFire rate
-9° / 65°Vertical guidance
7.62 mm M73 machine gunCoaxial weapon
6000 roundsAmmunition
8 / 10.4 sReload
250 roundsBelt capacity
500 shots/minFire rate
180000 Rp icon.pngResearch
490000 Sl icon.pngPurchase
Sl icon.png1850 / 2752/2930 / 4359/2170 / 3228Repair
140000 Sl icon.pngCrew training
490000 Sl icon.pngExperts
2000 Ge icon.pngAces
214 % Rp icon.pngReward for battle
110 % Sl icon.png130 % Sl icon.png100 % Sl icon.png


GarageImage XM-803.jpg

The Tank, Combat, Full-Tracked, 152-mm Gun/Launcher XM-803 is a Rank VI American light tank with a battle rating of 9.0 (AB/RB/SB). It was introduced in Update 1.79 "Project X".

General info

Survivability and armour

Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat?

If necessary use a visual template to indicate the most secure and weak zones of the armour.


The mobility of the vehicle is worse than that of the MBT-70. In its stock configuration, it has a horsepower/ton ratio of 21.39, while with all upgrades this increases to 24.19 HP/T. The top speed (both forward and reverse) is 64 km/h (40 mph) with 8 gears for both directions. The tank can reach its top speed quickly on flat roads, while on more difficult terrain the top speed drops by around 20 km/h. The tank has neutral steering and good turning ability on all terrains.


Main armament

Main article: XM150E5 (152 mm)
152 mm XM150E5
Capacity Vertical
53 -10°/+20° ±180° Two-plane
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 34.3 __.__ __.__ __.__ __.__
Realistic 21.4 __.__ __.__ __.__ __.__
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
10.00 10.00 10.00 10.00
Penetration statistics
Ammunition Type of
Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
XM578E1 APFSDS 380 370 360 345 330 315
M409A1 HEAT 354 354 354 354 354 354
MGM-51C ATGM 431 431 431 431 431 431
Shell details
Ammunition Velocity
in m/s
Mass in kg
Fuse delay

in m:

Fuse sensitivity

in mm:

Explosive Mass in g
(TNT equivalent):
Normalization At 30°
from horizontal:
0% 50% 100%
XM578E1 1,500 3.7 N/A N/A N/A +1.5° 76° 77° 78°
M409A1 754 19 0.0 0.1 3,730 +0° 62° 69° 73°
MGM-51C 323 28 0.0 0.01 3,600 +0° 80° 82° 90°
Smoke characteristic
Ammunition Velocity
in m/s
Mass in kg
Screen radius
in m
Screen time
in s
Screen hold time
in s:
Explosive Mass in g
(TNT equivalent):
XM410E1 754 19 25 5 30 50
Ammo racks
rack empty
rack empty
rack empty
rack empty
rack empty
53 XX (+XX) XX (+XX) XX (+XX) XX (+XX) (+52) No

Machine guns

12.7 mm M85
Pintle mount
Capacity (Belt capacity) Fire rate
1,000 (200) 577 -9°/+65° ±180°
7.62 mm M73
Coaxial mount
Capacity (Belt capacity) Fire rate
6,000 (250) 500 N/A N/A

Usage in battles

Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Pros and cons


  • Has spaced armour
  • Stock ammunition consists of the good MGM 51C "Shillelagh" Guided Missile, means no ammo costs for using it, plus a decent but inferior HEAT Shell.
  • Has access to APFSDS Shells with 380 mm of penetrating Power on a 90° angled armour plate @ 10m.
  • Extremely fast in both forwards and reverse.
  • Fast acceleration.
  • Top mounted 50 cal can allow you to damage low-flying aircraft


  • Long reload on the gun (10 seconds) which cannot be improved since it is an autoloader
  • The spaced armor is not composite armor and cannot provide adequate protection against most guns of its rank
  • Weak sides and LFP
  • Ammo racks are large and can be easily hit, and does not have blowout panels
  • Vulnerable to the rear due to raised engine deck
  • Cramped interior, loss of more than one crew member more likely when penetrated
  • Does not have access to the roof-mounted 20 mm like the MBT-70 which could be very useful in certain situations


Once it became apparent that the MBT-70 project was doomed to fail in the early ‘70s due to high costs and reliability issues, the U.S. Congress decided to cut their losses on the project by cancelling the MBT-70, and instead, diverted funding to the development of a new project called XM803.

The XM803 was, in essence, envisioned to be a “budget version” of the MBT-70. Although the new vehicle would heavily be based on the MBT-70, inheriting many of its design solutions, it would also try to drastically reduce production costs by using more conventional and only American-made parts. Although this meant that the XM803 had to give up some of its high-tech equipment in favour of lower production costs, it was projected that the influence of these changes on the XM803’s combat performance would be minimal.

Despite showing favourable performance and being seen as a promising design by the Army, the XM803 still remained a comparably expensive tank to produce even with the applied changes over the MBT-70. Moreover, neither the MBT-70 nor the XM803 seemed to offer any substantial increase in combat performance over the already in service M60 Patton to justify the high production cost. This ultimately led to the Congress cancelling work on the XM803 only a short while after the cancellation of the MBT-70. In the late 1970s, some funding of the two failed projects would, later on, find its way to support the development of an entirely new, but this time around, more conventional tank project. That tank, of course, being the legendary M1 Abrams itself.

- From Devblog


An excellent addition to the article will be video guides, as well as 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

USA medium tanks
Early projects  M2
M3  M3 Lee · Grant I
M4  M4 · Calliope · M4A1 · M4A1 (76) W · M4A2 · M4A2 (76) W · M4A3 (76) W · M4A3 (105) · M4A5
M26  T20 · T25 · M26 · M26 T99 · M26E1
Post-war  M46 · M46 "Tiger" · M47 · M48A1 · T54E1 · T95E1
MBT  M60 · M60A1 (AOS) · M60A1 RISE (P) · M60A2 · M60A3 TTS · MBT-70 · XM-803
  XM-1 (Chrysler) · XM-1 (GM) · M1 Abrams · IPM1 · M1A1 Abrams · M1A2 Abrams
Israeli  Magach 3 · Merkava Mk.1 · Merkava Mk.2B · Merkava Mk.3D
Turkey  M60 AMBT