Difference between revisions of "T55E1"

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{{Specs-Tank-Armour}}
 
{{Specs-Tank-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.'' -->
 
<!-- ''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 armour on the T55 is next to none, even a random burst from a machine gun can easily kill you or critically wound your crew. However, as this vehicle cannot be hull broken and fuzed shells tend not to detonate inside your tank, your most dangerous enemies are vehicles equipped with heavy machine guns or autocannons. The ammo rack is your biggest weak spot, however if you only load 10 or 12 shells, your side racks are empty and your centre rack is mostly empty. Any plane is a danger and you should seek cover and hide from them.
+
The armour on the T55 is next to none, even a random burst from a machine gun can easily kill you or critically wound your crew. However, as this vehicle cannot be hull broken and APHE shells tend not to detonate inside your tank, your most dangerous enemies are vehicles equipped with heavy machine guns or autocannons. The ammo rack is your biggest weak spot, however if you only load 10 or 12 shells, your side racks are empty and your centre rack is mostly empty. Any plane is a danger and you should seek cover and hide from them.
  
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
+
'''Armour type:'''
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
+
 
* Cast homogeneous armour (Turret, Transmission area) -->
+
* Structural Steel (hull, gun breech)
 +
* Tires (wheel)
  
 
{| class="wikitable"
 
{| class="wikitable"
Line 22: Line 23:
 
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
|-
 
|-
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
+
| Hull || 6.4 mm || 6.4 mm || 3.2-6.4 mm || 3.2 mm ''Main ammo stowage and engine compartment''
|-
 
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
 
|-
 
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
 
 
|-
 
|-
 
|}
 
|}
  
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
+
'''Notes:'''
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
+
 
 +
* All armour is thin structural steel, meaning even rifle-calibre machine guns penetrate it with ease.
 +
* The crew compartment is open-topped, meaning the crew is fully exposed to enemy aircraft or even to tanks.
  
 
=== Mobility ===
 
=== Mobility ===
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The T55 can move at around 80 km/h (50 mph) forward and backwards. It drives more like a car than it does a tank and has a hard time to flip. Your wheels can also allow you to climb to vantage points before anyone else.
 
The T55 can move at around 80 km/h (50 mph) forward and backwards. It drives more like a car than it does a tank and has a hard time to flip. Your wheels can also allow you to climb to vantage points before anyone else.
  
{{tankMobility}}
+
{{tankMobility|abMinHp=420|rbMinHp=262}}
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
Line 69: Line 68:
 
==== Ammunition ====
 
==== Ammunition ====
 
The {{PAGENAME}} is able to use 3 different types of ammunition: APCBC, HE and AP.
 
The {{PAGENAME}} is able to use 3 different types of ammunition: APCBC, HE and AP.
 +
 
*'''M62 shell''' - The M62 APCBC shell is the standard shell the {{PAGENAME}} uses. It is the highest penetrating shell available as well as having explosive filler. As such, it is recommended to use the shell for most opponents, specially armoured ones, but also for flanking as the explosive fillers can prove deadly when used against enemies side armour. As such, it is recommended to bring a considerable amount of APCBC shells.
 
*'''M62 shell''' - The M62 APCBC shell is the standard shell the {{PAGENAME}} uses. It is the highest penetrating shell available as well as having explosive filler. As such, it is recommended to use the shell for most opponents, specially armoured ones, but also for flanking as the explosive fillers can prove deadly when used against enemies side armour. As such, it is recommended to bring a considerable amount of APCBC shells.
 
*'''M42A1 shell''' - The M42A1 is the HE shell the {{PAGENAME}} has access to. While such shell can be overlooked on similarly armed vehicles, the lack of a machine gun on the {{PAGENAME}} can lead to difficulties dealing with targets with exposed crew such as a number of SPAAs. As such, it is recommended to bring a low amount of HE shells in order to counter the aforementioned threat.
 
*'''M42A1 shell''' - The M42A1 is the HE shell the {{PAGENAME}} has access to. While such shell can be overlooked on similarly armed vehicles, the lack of a machine gun on the {{PAGENAME}} can lead to difficulties dealing with targets with exposed crew such as a number of SPAAs. As such, it is recommended to bring a low amount of HE shells in order to counter the aforementioned threat.
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|-
 
|-
 
|}
 
|}
 
  
 
==== [[Ammo racks]] ====
 
==== [[Ammo racks]] ====
<!-- [[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]] -->
+
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
<!-- '''Last updated:''' -->
+
<!-- '''Last updated: 2.3.0.117''' -->
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
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! 2nd<br>rack empty
 
! 2nd<br>rack empty
 
! 3rd<br>rack empty
 
! 3rd<br>rack empty
! 4th<br>rack empty
 
! 5th<br>rack empty
 
! 6th<br>rack empty
 
 
! Visual<br>discrepancy
 
! Visual<br>discrepancy
 
|-
 
|-
| '''42''' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __
+
| '''42''' || 40&nbsp;''(+2)'' || 37&nbsp;''(+5)'' || 1&nbsp;''(+41)'' || No
 
|-
 
|-
 
|}
 
|}
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<!-- ''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 instead 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).'' -->
 
<!-- ''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 instead 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).'' -->
  
You should use the T55 as a flanking tank or sniper at the beginning of the match. Your speed outclasses other vehicles and you can use it to get to a flanking position or a sniping point. Then use your gun's excellent angles to aim at a place where you can see the enemy's side. Try not to get hit by anything as the first thing most tankers will do is to spray the treeline with MG fire, the MGs the enemy has are dangerous and you should run away from them. Once the enemy is pushed back, you can emerge from your position and use your superior speed to get to the enemy and ambush it in an unexpected spot.
+
You should use the T55 as a flanking vehicle or sniper at the beginning of the match. Your speed outclasses other vehicles and you can use it to get to a flanking position or a sniping point before anyone else. Then use your gun's excellent angles to aim at a place where you can see the enemy's side. As mentioned above, try to avoid MG fire and if you can. It is not recommended to shoot on the move as you will tend to miss your shots.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
Line 140: Line 136:
 
'''Pros:'''
 
'''Pros:'''
  
 +
* Low profile
 
* Powerful 76 mm cannon
 
* Powerful 76 mm cannon
 +
* -10 degrees gun depression gives good capacity in hilly battlefields
 
* Very high forward and reverse speed
 
* Very high forward and reverse speed
* Great offroad capabilities
+
* Great off-road capabilities
 +
* Unparalleled mobility and acceleration
  
 
'''Cons:'''
 
'''Cons:'''
Line 150: Line 149:
 
* Taking damage to one wheel can severely hamper performance
 
* Taking damage to one wheel can severely hamper performance
 
* Doesn't turn very well
 
* Doesn't turn very well
 +
* Narrow gun arc
 +
* Heads of crew members stick out of the vehicle - easy to knock out with machine guns
  
 
== History ==
 
== History ==
 
<!-- ''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: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
 
<!-- ''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: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
 
{{Notice
 
{{Notice
  |The T55 and T55E1 GMCs were given the nickname "Cook Interceptor" due to them being designed by the Cook Brothers.}}The Cook Brothers Equipment Company designed an experimental 8x8 wheeled desert vehicle which a prototype of was completed by 1942, according to photographic evidence. The vehicle used a chain drive, and the wheels were set up in two 4x4 bogies, each with it's own engine. The desert vehicle was used as the basis of a wheeled tank destroyer after they received a contract from the US Army in August 1942. One prototype was built by the Allied Machinery Manufacturing Company and was called the T55 GMC (GMC standing for Gun Motor Carriage). The T55 had the front engine moved to the rear of the hull in order to fit the main armament, a 3 inch or 76.2 mm M7 gun, at the front of the hull. After initial testing of the T55 GMC in December 1942, the Cook Brothers were requested by the Army to design an improved version.
+
  |The T55 and T55E1 GMCs were given the nickname "Cook Interceptor" due to them being designed by the Cook Brothers.}}
 
+
[[File:T55E1 (1).jpg|thumb|T55E1 GMC]]
 +
The Cook Brothers Equipment Company designed an experimental 8x8 wheeled desert vehicle which a prototype of was completed by 1942, according to photographic evidence. The vehicle used a chain drive, and the wheels were set up in two 4x4 bogies, each with it's own engine. The desert vehicle was used as the basis of a wheeled tank destroyer after they received a contract from the US Army in August 1942. One prototype was built by the Allied Machinery Manufacturing Company and was called the T55 GMC (GMC standing for Gun Motor Carriage). The T55 had the front engine moved to the rear of the hull in order to fit the main armament, a 3 inch or 76.2 mm M7 gun, at the front of the hull. After initial testing of the T55 GMC in December 1942, the Cook Brothers were requested by the Army to design an improved version.
 +
[[File:T55E1 (2).jpg|thumb|T55E1 GMC]]
 
The redesigned version of the T55 GMC was named the T55E1 GMC and it was basically a simplified version of the T55; both the T55 and T55E1 gained the unofficial nickname of "Cook Interceptor", signifying their designers. The largest visual difference was a much lower profile. The T55E1 GMC retained the 76.2 mm M7 gun from the T55 GMC, which was mounted in the front of the hull; it was casemate mounted rather than turret mounted. The T55E1 was lighter than the T55 it was based on, and as such it had a significantly improved driving performance. Powered by two Cadillac engines at the rear, the maximum speed of the T55E1 was 80 kilometers per hour or 50 miles per hour.
 
The redesigned version of the T55 GMC was named the T55E1 GMC and it was basically a simplified version of the T55; both the T55 and T55E1 gained the unofficial nickname of "Cook Interceptor", signifying their designers. The largest visual difference was a much lower profile. The T55E1 GMC retained the 76.2 mm M7 gun from the T55 GMC, which was mounted in the front of the hull; it was casemate mounted rather than turret mounted. The T55E1 was lighter than the T55 it was based on, and as such it had a significantly improved driving performance. Powered by two Cadillac engines at the rear, the maximum speed of the T55E1 was 80 kilometers per hour or 50 miles per hour.
  
Line 163: Line 166:
 
The American T55E1 wheeled tank destroyer was created on the chassis of an experimental all-terrain 8x8 vehicle. The Cook Brothers company received an order for the development of the project in August 1942, and in the fall, the first prototype, named the T55, was ready at the Allied Machinery Manufacturing facility. After the first tests, the military suggested that the designers modify the vehicle, since some issues appeared during the tests. So, at the beginning of 1943, the T55E1 appeared - a more densely assembled and improved version of a promising self-propelled gun.
 
The American T55E1 wheeled tank destroyer was created on the chassis of an experimental all-terrain 8x8 vehicle. The Cook Brothers company received an order for the development of the project in August 1942, and in the fall, the first prototype, named the T55, was ready at the Allied Machinery Manufacturing facility. After the first tests, the military suggested that the designers modify the vehicle, since some issues appeared during the tests. So, at the beginning of 1943, the T55E1 appeared - a more densely assembled and improved version of a promising self-propelled gun.
  
The T55E1 role in combat was assumed as fire support of advancing infantry, while being able to operate on any type of surface. The T55E1 had no turret, and the massive 76 mm M7 gun was located on the front of the vehicle. This arrangement required the shifting of the power plant of two 110-horsepower engines to the vehicle’s rear. At the same time, the SPG received a low profile, sufficient traverse angles and excellent elevation angles. The upgraded T55E1, due to improved driving characteristics and a decrease in total weight, showed a speed of just over 50 mph (80 kph) in tests and good results in overcoming obstacles. At the same time in 1943, a special commission recommended that the army completely abandon the use of armored wheeled vehicles in favor of tracked platforms, and the Cook Brothers project was closed. But we are sure that this curious tank destroyer will definitely find a place in War Thunder!
+
The T55E1 role in combat was assumed as fire support of advancing infantry, while being able to operate on any type of surface. The T55E1 had no turret, and the massive 76 mm M7 gun was located on the front of the vehicle. This arrangement required the shifting of the power plant of two 110-horsepower engines to the vehicle’s rear. At the same time, the SPG received a low profile, sufficient traverse angles and excellent elevation angles. The upgraded T55E1, due to improved driving characteristics and a decrease in total weight, showed a speed of just over 50 mph (80 kph) in tests and good results in overcoming obstacles. At the same time in 1943, a special commission recommended that the army completely abandon the use of armoured wheeled vehicles in favor of tracked platforms, and the Cook Brothers project was closed. But we are sure that this curious tank destroyer will definitely find a place in War Thunder!
  
 
== Media ==
 
== Media ==
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' --><gallery mode="packed" heights="175">
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 +
 
 +
;Skins
 +
* [https://live.warthunder.com/feed/camouflages/?vehicleCountry=usa&vehicleType=tank&vehicleClass=tank_destroyer&vehicle=us_t55e1 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Images
 +
<gallery mode="packed" heights="175">
 
File:T55E1 GMC WTWallpaper 01.jpg|
 
File:T55E1 GMC WTWallpaper 01.jpg|
 
File:T55E1 GMC WTWallpaper 02.jpg|
 
File:T55E1 GMC WTWallpaper 02.jpg|
 
File:T55E1 GMC WTWallpaper 03.jpg|
 
File:T55E1 GMC WTWallpaper 03.jpg|
 
</gallery>
 
</gallery>
 +
 +
;Videos
 +
{{Youtube-gallery|9ffyPCaxp9k|'''Battle Pass Vehicles''' discusses the {{PAGENAME}} at 00:34 - ''War Thunder Official Channel''|y64g1ZhLc3c|'''The Battle Bonk Tonk - T55E1''' - ''JustinPlaysYT'' (Review starts at 1:15)}}
  
 
== See also ==
 
== See also ==
Line 177: Line 189:
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
''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;''
 
* ''reference to the series of the vehicles;''
 
* ''links to approximate analogues of other nations and research trees.''
 
* ''links to approximate analogues of other nations and research trees.''
Line 185: Line 198:
 
* ''other literature.'' -->
 
* ''other literature.'' -->
 
''Paste links to sources and external resources, such as:''
 
''Paste links to sources and external resources, such as:''
 +
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''other literature.''
 
* ''other literature.''
Line 190: Line 204:
 
{{USA tank destroyers}}
 
{{USA tank destroyers}}
 
{{USA premium ground vehicles}}
 
{{USA premium ground vehicles}}
 +
[[Category:Wheeled ground vehicles]]

Revision as of 16:56, 19 March 2021

Rank 6 USA
F-5C Pack
T55E1
us_t55e1.png
GarageImage T55E1.jpg
T55E1
Show in game

Description

The 3 inch Gun Motor Carriage T55E1 is a premium gift rank III American tank destroyer with a battle rating of 4.3 (AB/RB/SB). It was introduced during Update "Hot Tracks" as a reward for Battle Pass: Season II, "Steel Centurion".

General info

Survivability and armour

Armourfront / side / back
Hull0 / 0 / 0
Turret0 / 0 / 0
Crew4 people
Visibility84 %

The armour on the T55 is next to none, even a random burst from a machine gun can easily kill you or critically wound your crew. However, as this vehicle cannot be hull broken and APHE shells tend not to detonate inside your tank, your most dangerous enemies are vehicles equipped with heavy machine guns or autocannons. The ammo rack is your biggest weak spot, however if you only load 10 or 12 shells, your side racks are empty and your centre rack is mostly empty. Any plane is a danger and you should seek cover and hide from them.

Armour type:

  • Structural Steel (hull, gun breech)
  • Tires (wheel)
Armour Front (Slope angle) Sides Rear Roof
Hull 6.4 mm 6.4 mm 3.2-6.4 mm 3.2 mm Main ammo stowage and engine compartment

Notes:

  • All armour is thin structural steel, meaning even rifle-calibre machine guns penetrate it with ease.
  • The crew compartment is open-topped, meaning the crew is fully exposed to enemy aircraft or even to tanks.

Mobility

Speedforward / back
AB87 / 58 km/h
RB and SB80 / 54 km/h
Number of gears7 forward
2 back
Weight13.7 t
Engine power
AB565 hp
RB and SB296 hp
Power-to-weight ratio
AB41.2 hp/t
RB and SB21.6 hp/t

The T55 can move at around 80 km/h (50 mph) forward and backwards. It drives more like a car than it does a tank and has a hard time to flip. Your wheels can also allow you to climb to vantage points before anyone else.

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 87 58 13.7 420 565 30.66 41.24
Realistic 80 54 262 296 19.12 21.61

Modifications and economy

Repair cost
AB1 035 Sl icon.png
RB1 249 Sl icon.png
SB1 692 Sl icon.png
Crew training10 000 Sl icon.png
Experts210 000 Sl icon.png
Aces550 Ge icon.png
Research Aces790 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 100 / 150 / 190 % Sl icon.png
Talisman.png 2 × 154 / 154 / 154 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new wheels.png
Tires
Mods new car suspension.png
Suspension
Mods new tank break.png
Brake System
Mods new tank filter.png
Filters
Mods new tank transmission.png
Transmission
Mods new tank engine.png
Engine
Mods tank tool kit.png
Improved Parts
Mods extinguisher.png
Improved FPE
Mods tank reinforcement us.png
Crew Replenishment
Mods new tank horizontal aiming.png
Horizontal Drive
Mods tank cannon.png
Adjustment of Fire
Mods tank ammo.png
76mm_usa_APCBC_ammo_pack
Mods new tank vertical aiming.png
Elevation Mechanism

Armaments

Main armament

Ammunition42 rounds
Reloadbasic crew → aces
6.5 → 5.0 s
Vertical guidance-10° / 15°
Horizontal guidance-9° / 9°
Main article: M7 (76 mm)

The T55E1 uses the 76 mm M7 as its main and only armament. The 76 mm M7 cannon is a high velocity anti tank gun, and can punch through the armour of most tanks all the way up to 6.7. The M62 APCBC shell has enough explosive filler to take down most tanks in one well aimed shot. Such canon may be familiar to players as it is the same armament present on the M10 GMC as well as the M6A1 as well as being similar to the later Shermans' 76 mm canon. The vehicle however posses a noticeable better reload than all the aforementioned vehicles due to having 2 loaders. That said, unlike the previous vehicles, the T55E1 not only lacks a turret but also posses a very limited horizontal guidance.

76 mm M7 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 42 -10°/+15° ±9° N/A 7.0 9.7 11.8 13.1 14.0 6.50 5.75 5.30 5.00
Realistic 4.8 5.6 6.8 7.5 8.0

Ammunition

The T55E1 is able to use 3 different types of ammunition: APCBC, HE and AP.

  • M62 shell - The M62 APCBC shell is the standard shell the T55E1 uses. It is the highest penetrating shell available as well as having explosive filler. As such, it is recommended to use the shell for most opponents, specially armoured ones, but also for flanking as the explosive fillers can prove deadly when used against enemies side armour. As such, it is recommended to bring a considerable amount of APCBC shells.
  • M42A1 shell - The M42A1 is the HE shell the T55E1 has access to. While such shell can be overlooked on similarly armed vehicles, the lack of a machine gun on the T55E1 can lead to difficulties dealing with targets with exposed crew such as a number of SPAAs. As such, it is recommended to bring a low amount of HE shells in order to counter the aforementioned threat.
  • M79 shot - The M79 is an AP round that, while it lacks the penetration of the M62 or the damage of the M42A1, still has some uses in the T55E1. As previously mentioned, the lack of machine guns in the vehicle can lead to issues against unarmoured targets. Furthermore, due to the HE having lower penetration than the M62's fuse sensitivity, some opponents may be harder to hit with the previously mentioned shells. In such scenarios it is recommended to use the M79, being able to damage lightly armoured opponents. Due to the AP nature of the shell, as well as the lack of HE filler, it is also recommended to shoot at the front or rear of the opponent's vehicle to ensure the maximum amount of damage. As such, like the M42A1, it is recommended to bring a low amount of AP shells.
Penetration statistics
Ammunition Type of
warhead
Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
M62 shell APCBC 149 146 133 119 106 95
M42A1 shell HE 7 7 7 7 7 7
M79 shot AP 134 132 121 109 99 89
Shell details
Ammunition Type of
warhead
Velocity
(m/s)
Projectile
Mass (kg)
Fuse delay
(m)
Fuse sensitivity
(mm)
Explosive Mass
(TNT equivalent) (g)
Ricochet
0% 50% 100%
M62 shell APCBC 792 7 1.2 14 63.7 48° 63° 71°
M42A1 shell HE 800 5.84 0 0.1 390 79° 80° 81°
M79 shot AP 792 6.8 N/A N/A N/A 47° 60° 65°

Ammo racks

Ammo racks of the T55E1
Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
Visual
discrepancy
42 40 (+2) 37 (+5) (+41) No

Usage in battles

You should use the T55 as a flanking vehicle or sniper at the beginning of the match. Your speed outclasses other vehicles and you can use it to get to a flanking position or a sniping point before anyone else. Then use your gun's excellent angles to aim at a place where you can see the enemy's side. As mentioned above, try to avoid MG fire and if you can. It is not recommended to shoot on the move as you will tend to miss your shots.

Pros and cons

Pros:

  • Low profile
  • Powerful 76 mm cannon
  • -10 degrees gun depression gives good capacity in hilly battlefields
  • Very high forward and reverse speed
  • Great off-road capabilities
  • Unparalleled mobility and acceleration

Cons:

  • No armour (even MGs can kill you)
  • No turret for the tank and cannot turn in place
  • Taking damage to one wheel can severely hamper performance
  • Doesn't turn very well
  • Narrow gun arc
  • Heads of crew members stick out of the vehicle - easy to knock out with machine guns

History

Msg-info.png The T55 and T55E1 GMCs were given the nickname "Cook Interceptor" due to them being designed by the Cook Brothers.
T55E1 GMC

The Cook Brothers Equipment Company designed an experimental 8x8 wheeled desert vehicle which a prototype of was completed by 1942, according to photographic evidence. The vehicle used a chain drive, and the wheels were set up in two 4x4 bogies, each with it's own engine. The desert vehicle was used as the basis of a wheeled tank destroyer after they received a contract from the US Army in August 1942. One prototype was built by the Allied Machinery Manufacturing Company and was called the T55 GMC (GMC standing for Gun Motor Carriage). The T55 had the front engine moved to the rear of the hull in order to fit the main armament, a 3 inch or 76.2 mm M7 gun, at the front of the hull. After initial testing of the T55 GMC in December 1942, the Cook Brothers were requested by the Army to design an improved version.

T55E1 GMC

The redesigned version of the T55 GMC was named the T55E1 GMC and it was basically a simplified version of the T55; both the T55 and T55E1 gained the unofficial nickname of "Cook Interceptor", signifying their designers. The largest visual difference was a much lower profile. The T55E1 GMC retained the 76.2 mm M7 gun from the T55 GMC, which was mounted in the front of the hull; it was casemate mounted rather than turret mounted. The T55E1 was lighter than the T55 it was based on, and as such it had a significantly improved driving performance. Powered by two Cadillac engines at the rear, the maximum speed of the T55E1 was 80 kilometers per hour or 50 miles per hour.

The single T55E1 GMC prototype was completed in early 1943 and underwent testing at the desert proving grounds of Fort Irwin in California. In the same year the Army decided that all self-propelled gun designs would be based on tracked tank chasses rather than on wheeled chasses. As such the T55E1 GMC project was dropped and it never entered production.

Devblog

The American T55E1 wheeled tank destroyer was created on the chassis of an experimental all-terrain 8x8 vehicle. The Cook Brothers company received an order for the development of the project in August 1942, and in the fall, the first prototype, named the T55, was ready at the Allied Machinery Manufacturing facility. After the first tests, the military suggested that the designers modify the vehicle, since some issues appeared during the tests. So, at the beginning of 1943, the T55E1 appeared - a more densely assembled and improved version of a promising self-propelled gun.

The T55E1 role in combat was assumed as fire support of advancing infantry, while being able to operate on any type of surface. The T55E1 had no turret, and the massive 76 mm M7 gun was located on the front of the vehicle. This arrangement required the shifting of the power plant of two 110-horsepower engines to the vehicle’s rear. At the same time, the SPG received a low profile, sufficient traverse angles and excellent elevation angles. The upgraded T55E1, due to improved driving characteristics and a decrease in total weight, showed a speed of just over 50 mph (80 kph) in tests and good results in overcoming obstacles. At the same time in 1943, a special commission recommended that the army completely abandon the use of armoured wheeled vehicles in favor of tracked platforms, and the Cook Brothers project was closed. But we are sure that this curious tank destroyer will definitely find a place in War Thunder!

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USA tank destroyers
M10  M10 GMC
M36  M36 GMC · M36B2
T95  T28 · T95
M109  M109A1
ATGM  LOSAT · M901 · ADATS
Wheeled  M3 GMC · T55E1
Other  M8 HMC · M50 · M56
China  ▃LVT(A)(4) (ZIS-2)

USA premium ground vehicles
Light tanks  LVT(A)(4) · M2A4 (1st Arm.Div.) · M3A1 (USMC) · ▃Stuart VI (5th CAD) · M8 LAC · M8A1 GMC
  M18 "Black Cat" · Super Hellcat · T18E2 · M551(76) · T114 · M1128 Wolfpack
Medium tanks  ▃Grant I · M4A5 · Calliope · T20 · M26 T99 · M26E1 · M46 "Tiger" · T54E1 · T54E2 · ▃Magach 3 (ERA) · M728 CEV
  XM1 (GM) · XM1 (Chrysler) · M1 KVT · M1A1 Click-Bait
Heavy tanks  T14 · Cobra King · M6A2E1 · T29 · T30
Tank destroyers  T28 · T55E1