SU-85

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RANK 5 FRANCE
Somua SM PACK
ussr_su_85_1943.png
SU-85
AB RB SB
4.3 4.3 4.3
Research:13 000 Specs-Card-Exp.png
Purchase:76 000 Specs-Card-Lion.png
Show in game

Description

GarageImage SU-85.jpg


The SU-85 is a Rank III Soviet tank destroyer with a battle rating of 4.3 (AB/RB/SB). It was introduced during the Closed Beta Test for Ground Forces before Update 1.41. This vehicle is a successor of SU-122 bearing an 85 mm cannon instead of a howitzer.

General info

Survivability and armour

Armour type:

  • Rolled homogeneous armour
  • Cast homogeneous armour (Gun mantlet, Driver's hatch)
Armour Front Sides Rear Roof
Hull 45 mm (49°) Front glacis
45 mm (58°) Lower glacis
70 mm (49°) Driver's hatch
45 mm 45 mm (48°) Top
45 mm (48°) Lower
20 mm
Superstructure 45 mm (49°)
52 mm (0-63°) Gun mantlet
45 mm (17-40°) 45 mm (12°) 20 mm

Notes:

  • Suspension wheels and tracks are 20 mm thick.
  • Front glacis has tracks placed on it, adding 18 mm at their location.

Mobility

Mobility characteristic
Weight (tons) Add-on Armor
weight (tons)
Max speed (km/h)
29.6 N/A 62 (AB)
57 (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade 710 874
Realistic/Simulator 442 500
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade 23.99 29.53
Realistic/Simulator 14.93 16.89

Armaments

Main article: D-5S (85 mm)
85 mm D-5S
Capacity Vertical
guidance
Horizontal
guidance
Stabilizer
48 -5°/+25° ±10° N/A
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 8.9 12.4 _.__ __._ __._
Realistic 8.9 10.5 _.__ __._ __._
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
9.6 __.__ __.__ __.__


Ammunition
Penetration statistics
Ammunition Type of
warhead
Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
BR-365A APHEBC 142 139 123 105 91 81
BR-365K APHE 145 142 125 107 92 78
O-365K HE 9 9 9 9 9 9
Shell details
Ammunition Type of
warhead
Velocity
in m/s
Projectile
Mass in kg
Fuse delay

in m:

Fuse sensitivity

in mm:

Explosive Mass in g
(TNT equivalent):
Normalization At 30°
from horizontal:
Ricochet:
0% 50% 100%
BR-365A APHEBC 792 9.2 1.2 15 164 +4° 48° 63° 71°
BR-365K APHE 792 9.2 1.2 15 81.6 -1° 47° 60° 65°
O-365K HE 780 9.5 0.1 0.3 646 +0° 79° 80° 81°
Ammo racks

Last updated: 1.77.2.68

Ammo racks of the SU-85.
Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
5th
rack empty
Visual
discrepancy
48 43 (+5) 41 (+7) 29 (+19) 17 (+31) (+47) No

Left side empty: 29 (+19)

Usage in the battles

The SU-85, as a tank destroyer, should be played in a sniper format due to its powerful gun, but subpar armour. The 85 mm gun is able to take out many tanks at its battle rating due to being the lowest BR vehicle with the gun. However, the armour is only decent and is basically an enlarged T-34 front hull for front armour. At the battle rating, this armour quality is no longer able to withstand the enemy's shots such as that of the Panzer IV. Thus, this makes it a bad idea to be near the front line and instead sit back behind the fighting and take out distant enemy targets, maximizing the low silhouette to hide and distance to improve armour effectiveness.

Be warned that penetrations from shells with explosive fillers are often fatal due to the cramped nature of the crew compartment. Either most of the crew will be knocked out or the modules damaged and these will drastically hinder the SU-85's ability to fight and survive. It is imperative that the SU-85 hit the enemy and be the first one to fire the 85 mm gun to win an engagement. This is especially true in realistic and sim battles where the low profile will grant the SU-85 an advantage of stealth.

Pros and cons

Pros:

  • Amazing 85 mm gun.
  • Good mobility akin to the T-34.
  • Low profile.
  • Decently sloped armour.
  • Expect a lot of one hit KO's.

Cons:

  • Armour is only that of a T-34's and will not stop many rounds.
  • Lack of APCR ammo.
  • Small combat compartment can cause quick crew knock-out.

History

Development

The development for this vehicle began in 1943 to supplement the firepower the T-34 and KV-1 has. Before then, the T-34 and KV-1 tanks are more than adequate to deal with the German Panzer forces, but by the end of 1942, the appearance of the Tiger I revealed that the German armoured forces were becoming more developed and more armoured. This reveal showed the Red Army that needed better guns in order to deal with the rising threat of these new German vehicles.

The search for a better gun led to the deelopment of the D-5 85 mm gun, which was a modified anti-aircraft gun made by design bureaus of Vasiliy Grabin and Fyodor Petrov. It was found that the new gun was unable to be mounted on the current T-34 or KV-1, so it was to be mounted as a self-propelled gun like the SU-122, which is a self-propelled gun made on a T-34 chassis. The vehicle to be produced was designated the SU-85 and was similar to the SU-122, just replacing the 122 mm gun with a 85 mm one. The gun that was to be mounted in the self-propelled configuration was designated the D-5S (S for self-propelled) and the vehicle was produced at the Uralmash factory. Modifications were made overtime during its production such as a telescopic sight and a new ball gun mantlet, these modified vehicles were designated the SU-85-II. Up to 2,050 units were produced from mid-1943 to late 1944.

Combat usage

The SU-85 saw service in August 1943 in Soviet service, which coincides the time the Soviets engage in a counteroffensive against the the Battle of Kursk. It was praised for its low profile to be able to conceal itself and its excellent mobility. The initial production batch had low visibility due to lack of optics, with only four periscopes in the design, but this was improved on the SU-85M with a commander's cupola seen on the later variants of the T-34. The 85 mm gun was able to destroy a Tiger tank from 1000 meters out, proving much capable against the newer German tank designs. Though capable, its firepower was still seen as lacking considering the Tiger could still destroy it and T-34s from up to 2,000 meters away. The lack of range on the SU-85, plus the uparming of T-34s from the 76.2 mm F-34 gun to the same 85 mm gun as well in the T-34-85 caused the production of the SU-85 to be cancelled in late 1944 as it no longer provided any beneficial firepower over the standard tank unit.

Even after it was retired from Soviet service, replaced by the more powerful SU-100, it was exported to Soviet allies in the Warsaw Pact after World War II. The SU-85s were either kept as tank destroyers, or converted into armour recovery or command vehicles. These vehicles saw service in North Korea, Vietnam, and may still be in service today by Central European countries like Albania, Bulgaria, Yugoslavia, and Romania.

Media

Skins and camouflages for the SU-85 series from live.warthunder.com.

References


Read 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.

ETC.

Sources

Paste links to sources and external resources, such as:

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


USSR tank destroyers
SU-76M  SU-76M · SU-76M (5th Gv.Kav.Corps) · SU-85A
SU-57B  SU-57B · SU-76D
T-34 Derivatives  SU-122 · SU-85 · SU-85M · SU-100 · SU-122P
Heavy Tank Derivatives  SU-100Y · ISU-122 · ISU-122S · SU-152 · ISU-152 · Object 268
SU-100P and Derivatives  SU-100P · Object 120
Wheeled  YaG-10 (29-K)
Airborne  ASU-57 · ASU-85
Rocket  BM-8-24 · BM-13N · BM-31-12
ATGM  IT-1 · Shturm-S · Object 775 · Khrizantema-S
Artillery  2S1 · 2S3M
Other  SU-5-1 · ZiS-30 · SU-122-54
USA  SU-57