Difference between revisions of "T-55M (Sweden)"

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=== Survivability and armour ===
 
=== Survivability and armour ===
 
{{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 T-55M is essentially a modified Soviet T-55A, as such the armour and interior layout are identical to T-55A.
 
The T-55M is essentially a modified Soviet T-55A, as such the armour and interior layout are identical to T-55A.
  
Line 23: Line 23:
 
As for the turret, the T-55M has slightly less protection than the T-62 and combined with a generally larger turret, it is easier for opponents to hit and penetrate the turret. The thinnest spots are right next to the cannon breech, at 200 mm, which rather slowly becomes over 300 mm when moving further away from the breech.
 
As for the turret, the T-55M has slightly less protection than the T-62 and combined with a generally larger turret, it is easier for opponents to hit and penetrate the turret. The thinnest spots are right next to the cannon breech, at 200 mm, which rather slowly becomes over 300 mm when moving further away from the breech.
  
−
'''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) -->
+
* Rolled homogeneous armour (Hull, Turret roof)
 +
* Cast homogeneous armour (Turret, Gun mantlet)
  
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Armour !! Front !! Sides !! Rear !! Roof
 
|-
 
|-
−
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
+
| Hull || 100 mm (59-77°) ''Front glacis'' <br> 100 mm (56-59°) ''Lower glacis'' || 80 mm || 20 mm (61°) ''Upper'' <br> 45 mm (16°) ''Middle'' <br> 20 mm (71°) ''Lower'' || 30 mm ''General'' <br> 45 mm ''Engine vent''
−
|-
 
−
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
 
−
|-
 
−
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
 
 
|-
 
|-
−
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
+
| Turret || 130-200 mm (14-39°) ''Turret front'' || 100-160 mm (15-73°) || 66-110 mm (4-41°) || 30 mm
 
|-
 
|-
 
|}
 
|}
 +
'''Notes:'''
  
−
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
+
* Suspensions wheels and tracks are 20 mm thick
−
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
+
* Belly armour is 20 mm thick.
  
 
=== Mobility ===
 
=== Mobility ===
Line 122: Line 121:
 
== Usage in battles ==
 
== 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 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).'' -->
−
''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).''
+
The T-55M has the exact same playstyle as the Soviet T-55A. The T-55A usage in battle is very similar to the T-54 tanks prior to it. Aside from some minor design differences, the general armour layout of the T-55A (and by extension, the T-55M) is similar to that of the [[T-54 (1951)]]. The mobility is slightly better due to a more powerful engine, enabling a higher hp-to-ton ratio despite the small weight increase. The firepower of the T-55M compared to its predecessor is what makes it stand out, with access to the M1000A1 APFSDS ammunition that can penetrate over 340 mm at point-blank range (compared to the T-54 (1951)'s point-blank penetration of 299 mm with the 3BM-8 APDS and 380 mm with the 3BK-5 HEATFS shell). The high-velocity and penetrating APFSDS shell allow the T-55M to more easily reach out and destroy long-range enemies. The option to use the BR-412D APCBC shell is also available to use in order to cause devastating post-penetration damages, especially against the [[Leopard 1 (Family)|Leopard 1]] tanks that the APCBC shell can penetrate frontally. However, the presence of other tanks with enough armour to protect against the APCBC shell mean it is only situationally useful. Other helpful differences the T-55M has over the T-54 (1951) is a faster turret traverse rate and stabilizer, the latter of which is very useful when reacting to enemy targets on the move.
 +
 
 +
The T-55M is suited for a variety of roles and actions when assaulting or defending a point. In these roles, the firepower and mobility is sufficient, but the armour may not stand up against the enemy due to the prevalence of HEATFS and APFSDS ammo at this battle rating. As such, all these tactics should emphasize avoiding being seen and destroyed by the enemy.
  
 +
A weak spot of the T-55M's is a shot through the upper front plate, as while more protected then other T-55s, is still weak. A good shot here can knock out three of the four crew members easily.
 
=== Pros and cons ===
 
=== Pros and cons ===
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
Line 130: Line 132:
  
 
* Large selection of ammunition
 
* Large selection of ammunition
 +
* APFSDS can pen pretty much every tank at its BR
 +
* Stabilizer
 +
* Decent speed & acceleration, even when not fully modified.
  
 
'''Cons:'''
 
'''Cons:'''
Line 138: Line 143:
 
== 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).'' -->
−
''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).''
+
Between 1960 and 1970, Finland purchased 74 T-55As from the Soviet Union to bolster the numbers of their tank core and complement the T-54s. At the turn of 1980-1990, all T-55As were modernized to the new standard, adding the M suffix to their designation. In early 2000s, most of the T-55Ms were retired with last 9 T-55Ms being used for mine clearance. By the end of 2022, all T-55Ms were officially retired from the service.
  
 
== Media ==
 
== Media ==

Latest revision as of 06:44, 24 August 2024

This page is about the Swedish medium tank T-55M (Sweden). For other versions, see T-54/55 (Family).
▄T-55M
sw_t_55m.png
GarageImage T-55M (Sweden).jpg
▄T-55M
Sweden flag.png Sweden
VI Rank
Battle rating:
AB RB SB
8.7 8.7 8.7
Class:
Research:160 000 Specs-Card-Exp.png
Purchase:450 000 Specs-Card-Lion.png

Description

The ▄T-55M is a rank VI Swedish medium tank with a battle rating of 8.7 (AB/RB/SB). It was introduced in Update "Apex Predators".

General info

Survivability and armour

Smoke grenades
Creation of a smoke screen in front of the vehicle
ESS
Creation of a smoke screen in the direction of movement of the vehicle
Armourfront / side / back
Hull100 / 80 / 45
Turret200 / 160 / 66
Crew4 people
Visibility83 %

The T-55M is essentially a modified Soviet T-55A, as such the armour and interior layout are identical to T-55A.

The T-55M has moderate frontal protection, with 100 mm plates for upper front plate (UFP) and lower front plate (LFP) placed at angles 59° and 56° respectively; effective thickness frontally comes up to ~180 mm and ~200 mm, respectively. At a perfect angle, the T-55M can bring its frontal effective thickness to ~200 mm and ~220 mm for the UFP and LFP, while having ~250 mm of protection at the angled sides. The additional 20 mm of protection will rarely provide any advantage at this BR as high-calibre APDS and APFSDS will have no difficulty penetrating your front plate.

As for the turret, the T-55M has slightly less protection than the T-62 and combined with a generally larger turret, it is easier for opponents to hit and penetrate the turret. The thinnest spots are right next to the cannon breech, at 200 mm, which rather slowly becomes over 300 mm when moving further away from the breech.

Armour type:

  • Rolled homogeneous armour (Hull, Turret roof)
  • Cast homogeneous armour (Turret, Gun mantlet)
Armour Front Sides Rear Roof
Hull 100 mm (59-77°) Front glacis
100 mm (56-59°) Lower glacis 		80 mm 20 mm (61°) Upper
45 mm (16°) Middle
20 mm (71°) Lower 		30 mm General
45 mm Engine vent
Turret 130-200 mm (14-39°) Turret front 100-160 mm (15-73°) 66-110 mm (4-41°) 30 mm

Notes:

  • Suspensions wheels and tracks are 20 mm thick
  • Belly armour is 20 mm thick.

Mobility

Speedforward / back
AB56 / 9 km/h
RB and SB51 / 8 km/h
Number of gears5 forward
1 back
Weight36.0 t
Engine power
AB1 107 hp
RB and SB580 hp
Power-to-weight ratio
AB30.8 hp/t
RB and SB16.1 hp/t
Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 56 9 36 899 1,107 24.97 30.75
Realistic 51 8 513 580 14.25 16.11

Modifications and economy

Repair costBasic → Reference
AB4 249 → 6 182 Sl icon.png
RB4 623 → 6 726 Sl icon.png
SB5 908 → 8 596 Sl icon.png
Total cost of modifications133 000 Rp icon.png
224 400 Sl icon.png
Talisman cost2 400 Ge icon.png
Crew training130 000 Sl icon.png
Experts450 000 Sl icon.png
Aces2 000 Ge icon.png
Research Aces890 000 Rp icon.png
Reward for battleAB / RB / SB
140 / 200 / 240 % Sl icon.png
214 / 214 / 214 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods new tank break.png
Brake System
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods new tank filter.png
Filters
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
480 Ge icon.png
Mods new tank engine.png
Engine
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
480 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
2 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
1 600 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods tank reinforcement sw.png
Crew Replenishment
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods engine smoke screen system.png
ESS
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
480 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods tank ammo.png
100mm_BR412D_ammo_pack
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods tank ammo.png
100mm_HEAT_ammo_pack
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods tank laser rangefinder.png
Laser rangefinder
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
280 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods tank ammo.png
100mm_M1000_ammo_pack
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods smoke screen.png
Smoke grenade
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
370 Ge icon.png
Mods art support.png
Artillery Support
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
480 Ge icon.png
Mods tank ammo.png
100mm_ussr_Smoke_ammo_pack
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
480 Ge icon.png

Armaments

Laser rangefinder
Reduces the error and increases the maximum measurable distance of the rangefinder

Main armament

100 mm D-10T2S cannon
Two-plane stabilizer
Reduces the swing of the gun in two planes while moving
Ammunition43 rounds
First-order18 rounds
Reloadbasic crew → aces
9.7 → 7.5 s
Vertical guidance-5° / 18°
Main article: D-10T2S (100 mm)
100 mm D-10T2S Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 43 -5°/+18° ±180° Two-plane 14.3 19.8 24.0 26.5 28.2 9.75 8.63 7.95 7.50
Realistic 8.9 10.5 12.8 14.1 15.0

Ammunition

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
3BM-8 APDS 336 332 317 299 282 265
BR-412D APCBC 239 236 220 202 185 170
M1000A1 APFSDS 344 342 336 329 322 314
3BK17M HEATFS 390 390 390 390 390 390
OF-412 HE 27 27 26 24 23 21
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%
3BM-8 APDS 1,415 4.13 - - - 75° 78° 80°
BR-412D APCBC 887 15.88 1.2 19 100.1 48° 63° 71°
M1000A1 APFSDS 1,475 3.75 - - - 78° 80° 81°
3BK17M HEATFS 1,085 9.96 0.05 0.1 1,170 65° 72° 77°
OF-412 HE 900 15.6 0.2 0.1 1,460 79° 80° 81°
Smoke shell characteristics
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Screen radius
(m) 		Screen deploy
time (s) 		Screen hold
time (s) 		Explosive mass
(TNT equivalent) (g)
3D3 880 15.6 16 5 25 50

Ammo racks

Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty 		Visual
discrepancy
43 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Machine guns

12.7 mm NSVT machine gun
Ammunition360 rounds
Belt capacity60 rounds
Reloadbasic crew → aces
6.5 → 5.0 s
Fire rate700 shots/min
Vertical guidance-10° / 60°
7.62 mm SGMT machine gun (coaxial)
Ammunition3 500 rounds
Belt capacity250 rounds
Reloadbasic crew → aces
10.4 → 8.0 s
Fire rate600 shots/min
Main articles: NSVT (12.7 mm), SGMT (7.62 mm)
12.7 mm NSVT
Mount Capacity (Belt) Fire rate Vertical Horizontal
Pintle 360 (60) 700 -10°/+60° ±180°
7.62 mm SGMT
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 3,500 (250) 600 - -

Usage in battles

The T-55M has the exact same playstyle as the Soviet T-55A. The T-55A usage in battle is very similar to the T-54 tanks prior to it. Aside from some minor design differences, the general armour layout of the T-55A (and by extension, the T-55M) is similar to that of the T-54 (1951). The mobility is slightly better due to a more powerful engine, enabling a higher hp-to-ton ratio despite the small weight increase. The firepower of the T-55M compared to its predecessor is what makes it stand out, with access to the M1000A1 APFSDS ammunition that can penetrate over 340 mm at point-blank range (compared to the T-54 (1951)'s point-blank penetration of 299 mm with the 3BM-8 APDS and 380 mm with the 3BK-5 HEATFS shell). The high-velocity and penetrating APFSDS shell allow the T-55M to more easily reach out and destroy long-range enemies. The option to use the BR-412D APCBC shell is also available to use in order to cause devastating post-penetration damages, especially against the Leopard 1 tanks that the APCBC shell can penetrate frontally. However, the presence of other tanks with enough armour to protect against the APCBC shell mean it is only situationally useful. Other helpful differences the T-55M has over the T-54 (1951) is a faster turret traverse rate and stabilizer, the latter of which is very useful when reacting to enemy targets on the move.

The T-55M is suited for a variety of roles and actions when assaulting or defending a point. In these roles, the firepower and mobility is sufficient, but the armour may not stand up against the enemy due to the prevalence of HEATFS and APFSDS ammo at this battle rating. As such, all these tactics should emphasize avoiding being seen and destroyed by the enemy.

A weak spot of the T-55M's is a shot through the upper front plate, as while more protected then other T-55s, is still weak. A good shot here can knock out three of the four crew members easily.

Pros and cons

Pros:

  • Large selection of ammunition
  • APFSDS can pen pretty much every tank at its BR
  • Stabilizer
  • Decent speed & acceleration, even when not fully modified.

Cons:

  • Reverse speed is awful
  • Gun depression isn't great, it can have a hard time of depressing the gun on slopes

History

Between 1960 and 1970, Finland purchased 74 T-55As from the Soviet Union to bolster the numbers of their tank core and complement the T-54s. At the turn of 1980-1990, all T-55As were modernized to the new standard, adding the M suffix to their designation. In early 2000s, most of the T-55Ms were retired with last 9 T-55Ms being used for mine clearance. By the end of 2022, all T-55Ms were officially retired from the service.

Media

Skins

See also

Related development

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


Sweden medium tanks
Strv m/42  Lago I · Strv m/42 EH · Ikv 73 · Strv m/42 DT · Pvkv IV
Centurion derivatives  Strv 81 · Strv 81 (RB 52) · Strv 101 · Strv 104 · Strv 105
Strv 103  Strv 103-0 · Strv 103A · Strv 103С
Strv 121/122  Strv 121 · Christian II · Strv 122A · Strv 122B PLSS · Strv 122B+
Other  Sherman III/IV · T 80 U
Finland 
WWII  ▄T-28 · ▄T-34 · ▄Pz.IV · ▄T-34-85
Post War  ▄Comet I · ▄Charioteer Mk VII · ▄T-54 · ▄T-55M · ▄T-72M1 · ▄Leopard 2A4 · ▄Leopard 2A6
Norway  Leopard 1A5NO2

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