T-54-2M (1960)

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T-54-2M (1960)

Introduction

In the 1960s, many Soviet tanks produced during the Second World War or in the immediate post-war years underwent modernization programs intended to bring their combat capabilities closer to those of newer Soviet armored vehicles. The early T-54 family (the T-54-1 (1947), T-54-2 (1949), and T-54-3 (1951)) was no exception.

The T-54-2 (Model 1960) would represent a T-54 obr.1949 subjected to the Soviet Army’s large-scale capital-overhaul modernization program beginning in 1960. These vehicles retained the distinctive early T-54-2 (1949) turret, including the characteristic rear turret undercut, while receiving much of the combat equipment of the later T-54B. Some examples also received components derived from the T-55, including later running-gear parts.

These vehicles were never officially designated “obr. 1960” or “Model 1960.” However, to clearly distinguish the modernized vehicles from their original counterparts already represented in War Thunder, I have used the “-number +M” designation and added “(1960)” to their names as an unofficial identifier referring to the beginning of the modernization program.

The modernization included:

  • STP-2 “Tsiklon” two-plane gun stabilizer
  • Modified D-10T with a counterweight on the muzzle
  • TPN-1 infrared gunner’s night sight
  • L-2 infrared searchlight
  • Improved commander night-observation equipment
  • TVN-2 driver infrared night-vision device
  • IR-filtered and blackout driver’s headlight for night driving
  • Rotating fighting-compartment floor
  • Gun safety fencing
  • Improved communications equipment
  • Other equipment associated with T-54B standard
  • T-55-derived running-gear components
  • 580 HP Diesel (Optional)
  • Access to newer ammunition

To put it very simply, T-54-2 (1960) is visually a T-54-2, with its hull and running gear closely resembling its later T-54/T-55 Cold War brethren. For War Thunder, this vehicle particularly interesting, as it combines the distinctive appearance and armor layout of an early T-54 with much of the combat capability of the later T-54B and T-55A, including a two-plane stabilizer, improved sights and night-fighting equipment, improved engine and later ammunition, while still retaining the characteristic T-54-2 turret.

The only slight downside is that, on these later modernized T-54s and T-55s, the Soviets replaced the rear-mounted MDSh smoke canisters with 200-liter auxiliary fuel drums . From a War Thunder gameplay perspective, this would be a minor downgrade compared with the earlier configuration, as the tank would lose its deployable MDSh smoke charges, although later vehicles still retained the TDA engine-exhaust smoke system .


History

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The first T-54 variants were developed in the immediate post-war period as the Soviet Union sought to replace the wartime T-34-85 with a more heavily armed and protected medium tank. The early production series evolved quickly: the T-54-1 introduced the basic layout but suffered from a number of teething problems, the T-54-2 refined the turret, armor arrangement, and running gear, and the T-54-3 further standardized the design into the form that would lead directly to the later T-54A, T-54B, and eventually the T-55.

The original T-54 obr.1949, or T-54-2, was developed after shortcomings were encountered with the first production T-54. Its redesigned cast turret eliminated the dangerous frontal and side undercuts of the T-54-1, although a smaller undercut remained at the rear. The upper glacis was reduced to 100 mm, wider tracks were introduced, the two fender-mounted course machine guns were removed, and numerous mechanical and production improvements were incorporated.

Production ran from 1949 until November 1951, with approximately 2,523 tanks of this modification manufactured. The original vehicle was armed with the unstabilized 100 mm D-10T and powered by the 520 hp V-54 diesel engine. By the end of the 1950s, however, large numbers of early T-54s remained in Soviet service while the much more capable T-54A, T-54B and T-55 had entered production. Rather than discard these older vehicles, the Soviet Army began modernizing older T-54s during scheduled capital overhauls.

These early T-54s likely remained in service until the collapse of the Soviet Union and beyond, particularly in secondary roles and as fixed fortified firing positions, which you can read more about here. They were also widely exported and went on to see service in numerous conflicts around the world. Their later sibling, the T-54-3M (1960), has even appeared in combat service with the Russian Federation in more recent conflicts.


1960+ Modernization In-Depth

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Beginning in 1960, T-54 tanks manufactured in 1949–1951 were modernized at Ministry of Defence repair plants. These tanks were successively brought to the standard of the T-54A and later the T-54B, receiving the corresponding equipment and systems.

The modernization included:

  • STP-2 “Tsiklon” two-plane gun stabilizer — the most important improvement of the modernization. Unlike the STP-1 system of the T-54A, which stabilized the gun only in elevation, the STP-2 stabilized both the gun vertically and the turret horizontally. The electro-hydraulic system automatically attempted to hold the gun and coaxial machine gun on the gunner’s selected line of aim while the tank was moving and also provided powered laying in both planes. On the T-54B, the system provided laying speeds of approximately 0.07–4.5°/s vertically and 0.07–15°/s horizontally.
  • Original D-10T modified for the STP-2 system — early T-54s did not necessarily have their original gun replaced outright by a newly manufactured D-10T2S. During overhaul, the existing D-10T could be brought to the functional level of the D-10T2S by installing components required for the STP-2 stabilizer. Because the original D-10T had different balancing characteristics, it received the characteristic counterweight around the muzzle. This counterweight is one of the most obvious external identifiers of a T-54-2 modernized to T-54B level.
  • TPN-1-22-11 infrared gunner’s night sight — the gunner’s original MK-4 observation device was replaced by the TPN-1 active-infrared night sight, giving the gunner an actual night-fighting capability rather than simply night-driving equipment. The TPN-1 was part of the standard T-54B night-fighting system.
  • L-2 infrared searchlight — the TPN-1 required an infrared illuminator. A special mounting was welded to the right side of the original turret, with the searchlight carried in trunnions on this bracket. A parallelogram linkage connected it to the gun, allowing the searchlight to follow the gun’s elevation while retaining the original T-54-2 turret casting.
  • Improved commander’s observation equipment — the earlier TPKUB commander’s observation device was replaced by the improved TPKU-2B, while the commander’s night-vision equipment was upgraded from the TKN-1 to the TKN-1S standard on rebuilt tanks. This gave the commander substantially improved day and active-infrared night observation capability.
  • TVN-2 driver infrared night-vision device — the driver received the same basic active-IR night-driving equipment associated with the T-54B. The TVN-2 was a binocular device which could be installed in either its combat or travel position. Its high-voltage power unit was mounted in the driver’s compartment, while the sight itself was stored behind the driver’s seat when not in use.
  • Infrared driving headlights — the TVN-2 worked together with the tank’s headlights fitted with infrared filters . Russian technical descriptions specifically mention the standard FG-10 headlights fitted with IR filters for operation with the TVN-2. To the naked eye these produced little useful illumination, but the reflected infrared light was visible through the driver’s TVN-2 device.
  • Rotating fighting-compartment floor — the early fixed fighting-compartment arrangement was replaced by a rotating platform which moved together with the turret. This was particularly important for the loader, who no longer had to continually reposition himself around equipment fixed to the hull floor as the turret traversed. The platform was mounted on a ball-bearing support and incorporated a safety/yielding arrangement intended to reduce the danger of trapping crew members. Installing it required rearrangement of equipment and ammunition inside the fighting compartment.
  • Gun safety fencing — a protective guard was installed around the moving portions of the gun and recoil mechanism. This helped prevent the loader and other crew members from being struck or trapped by the breech and associated equipment as the stabilized gun automatically moved in elevation while the tank was travelling.
  • Upgraded electrical system — the STP-2 stabilizer and the expanded night-fighting equipment placed considerably greater demands on the electrical system. T-54B standard therefore incorporated the more powerful G-5 5 kW generator, replacing the lower-output generator used on earlier variants. This was necessary to provide sufficient electrical power for the stabilizer and other new equipment.
  • Modernized radio and intercom equipment — the T-54B standard used the R-113 VHF radio station for external communications and the R-120 tank intercom for communication between crew members. During continuing overhaul programs these were themselves superseded: from 1966, rebuilt T-54s began receiving the newer R-123/R-123M radio and R-124 intercom, together with the GPK-59 gyrocompass. A tank’s precise radio fit therefore depended on the date of its overhaul.
  • Underwater-driving equipment — bringing the early T-54 fleet toward later standards also included equipment for underwater driving (OPVT) for some tanks. The T-54B’s OPVT equipment allowed prepared tanks to cross water obstacles along the bottom rather than requiring a bridge.
  • Later sights and machine guns — From 1965, tanks undergoing overhaul began receiving the improved TSh-2B-32 and later TSh-2B-32P gunner’s sights, while the older SGMT machine guns were progressively replaced by the PKT. These later sights are particularly relevant to the use of improved ammunition introduced during the 1960s.
  • T-55-derived running gear — T-54 obr.1949 vehicles brought to T-54B level have running gear borrowed from the T-55. In particular, the T-55-style “starfish” road wheels were one of the most easily identifiable features of these modernized tanks.
  • Further T-55 commonality during later overhauls — Older T-54 variants could receive such components as the 580 hp V-55 engine, RMSh dry-pin/rubber-metal-hinged tracks.


These T-54-2 modernizations were not uniform. The program was progressive, meaning that individual tanks could leave overhaul with different levels of modernization depending on when and where the work was carried out. Some vehicles received only limited upgrades, while others were fitted with a single-plane stabilizer, and some lacked the later night-fighting equipment altogether. The tank shown in the cover photographs and at the top of this section represent the fully modernized versions, incorporating the complete set of later upgrades discussed in this suggestion. While the one below is an intermediate version.


Ammunition

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The modernization also allowed the vehicle to benefit from ammunition developments introduced during the early 1960s.

The standard D-10 family ammunition remained available, including:

  • BR-412 APHE
  • BR-412B APHEBC
  • BR-412D APCBC
  • OF-412 high explosive

More importantly, in 1961 the T-54B ammunition load officially received the 3UBK4 round with the 3BK5/3BK5M HEAT projectile. The T-54B simultaneously received the TSh2B-32 gunner’s sight, which included a dedicated scale for the new HEAT ammunition. The 3BK5 offered approximately 390 mm of armor penetration, giving the rebuilt T-54-2 a major increase in anti-armor capability compared with its original 1949 ammunition load. Later T-54B sight developments also supported subcaliber ammunition. In 1964, the T-54B received the TSh2B-32P sight in preparation for improved subcaliber ammunition such as the BR-412P. By the mid-1960s, the modernized T-54-2 could also make use of newer ammunition developed for the D-10 family. In 1966, the 3UBM6 round with the 3BM8 APDS projectile was adopted for the D-10T, D-10TG and D-10T2S guns. As the modernized T-54-2 retained a D-10T upgraded with the components of the T-54B’s D-10T2S/STP-2 installation, it was fully compatible with this ammunition.


Specifications

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Crew: 4

Combat weight: approximately 35.5–36 tonnes

Engine: V-54 diesel

Power: 520 hp

Maximum speed: approximately 48 km/h

OR

Engine: V-55 V-12 diesel

Power: 580 hp

Power-to-weight ratio: approximately 16.1 hp/t

Maximum speed: approximately 50 km/h



Armament

Main gun:
100 mm D-10T, modified for use with the STP-2 stabilizer

Stabilization:
STP-2 “Tsiklon”
Two-plane stabilization

Ammunition capacity:
Approximately 34 rounds, depending on overhaul configuration

Ammunition

  • BR-412 APHE
  • BR-412B APHEBC
  • BR-412D APCBC
  • OF-412 HE
  • 3BK5 / 3BK5M HEAT-FS
  • BR-412P

Possible later ammunition:

  • 3BM8 APDS

Secondary Armament

  • 7.62 mm coaxial machine gun
  • 7.62 mm hull machine gun
  • 12.7 mm DShK anti-aircraft machine gun

Fire-Control and Night Equipment

Main gun sight:
TSh2B-series telescopic sight

From 1961:
TSh2B-32, including a dedicated scale for 3BK5 HEAT ammunition

Later:
TSh2B-32P

Gunner night sight:
TPN-1 infrared sight

Gunner IR illuminator:
L-2 infrared searchlight

Commander night equipment:
TKN-series infrared observation equipment

Driver night vision:
TVN-2 active infrared night-vision device

The driver could replace his daytime observation periscope with the TVN-2 and use an IR-filtered headlamp to illuminate the road.



Armor

Hull

Upper glacis:
100 mm at 60°

Lower glacis:
Approximately 100 mm

Hull sides:
Approximately 80 mm

Turret

Front:
Up to approximately 200 mm

Sides:
Up to approximately 160 mm

Rear:
Approximately 65 mm

The vehicle retained the characteristic T-54 obr.1949 turret, including its distinctive rear undercut.


Sources

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Т-54 и Т-55. «Танк-солдат» читать онлайн бесплатно, автор Михаил Барятинский | Флибуста

Оренбург. Выставочный комплекс «Салют, победа!» в парке имени Фрунзе

Т-54 обр.1949 г . Т-54 и Т-55. «Танк-солдат»

Detailed Pictures:

T-54-2 mod. 1949 - RecoMonkey

средний танк Т-54 обр. 1949 г., доведенный до уровня Т-54Б, Учебный полигон №36, Николо-Урюпино, Московская область, Россия - ScaleModels.ru

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