DOSSIER · UNCLASSIFIED · OPERATIONS
SECTION 10 // ARMOR / VEHICLE PROFILEREF · ST-VZ-39
ST vz. 39
IV

ST vz. 39

CzechoslovakiaCzechoslovakia·Medium TankMedium Tank

V-8-H was a further development of the PS-II-b medium tank and the P-II-b light infantry tank. The vehicle underwent trials from the summer of 1937 through the spring of 1938. In the fall of 1938, additional trials were held. After all faults were removed, the tank saw service under the designation ST vz.39. The vehicle never entered mass production.

Configuration
Health
570
DPM
1,667
View range
340m
Speed
45km/h
Camo
83Excellent
A-01 · ARMOR SCHEMA

Armor thicknessMeasured

Nominal plate thickness straight from the game client. Click any plate to highlight it on the 3D model and focus the camera on it.

Armor
10mm
60mm

Hull

All 6 plates

Turret 2 of 2

All 9 plates
A-02 · SPECIFICATIONS

Specifications

Builds
Grade
Experimental
CrewShared perks
Weaponry
DPM
1,667
Damage
75
Penetration
97 mm
… at 500m
88 mm
Reload time
2.70 s
Rate of fire
22.22/min
Aim time
2.00 s
Dispersion
0.360 m
… moving
0.220
… tank traverse
0.220
… turret traverse
0.100
… after firing
4.0
Damage vs. modules
64
Caliber
47.0 mm
Shell velocity
983 m/s
Max range
720 m
Ammo capacity
90
Potential damage
6,750
Shell cost
30 cr
Mobility
Top speed
45 km/h
Reverse speed
18 km/h
Power/weight
17.17 hp/t
Tank traverse
40.0 °/s
Turret traverse
30.0 °/s
Effective top speed
… hard
45.0 km/h
… medium
45.0 km/h
… soft
34.3 km/h
Effective traverse
… hard
40.0 °/s
… medium
33.8 °/s
… soft
22.0 °/s
Gun elevation
25 °
Gun depression
10 °
Gun traverse range
360°
Terrain resistance
… hard
1.10
… medium
1.30
… soft
2.00
Everything Else
Hull armor
32 / 25 / 20
Turret armor
60 / 40 / 30
Health
570
Engine health
100
… repaired
50
Track health
80
… repaired
60
… repair time
5.71 s
Ammo rack health
130
… repaired
85
Fuel tank health
125
… repaired
50
Total weight
16,890 kg
Stationary camo
15.30 / 7.03%
Moving camo
11.45 / 5.26%
View range
340 m
Fire chance
20%
Tank cost
151,000 cr
Gun Constraints

360° traverse

Crew
  • Commander
  • GunnerLoader
  • Driver
  • Radio Operator
A-03 · MODULE RESEARCH

Module research

Guns
III
Stock
47 mm Škoda A11
IV
1,650
47 mm Škoda A11 vylepšený
Turrets
III
Stock
ST vz. 39
IV
1,070
V-8-H-Sv
Radios
IV
Stock
Radiostanice vz. 37
Engines
III
Stock
Praga NR
IV
1,050
Praga V-8-H
Tracks
III
Stock
ST vz. 39
IV
1,140
V-8-H-Sv
A-04 · SERVER PERFORMANCE

Server performance

Aggregate stats from NA players over the last 30d

Avg WN8
2769
Unicum
Avg WNX
2059
great
Win rate
49.5%
Below Average
DPG
712
Frags
1.14
Spots
1.12
Survival
24.6%
Dmg taken
522
Hit rate
70.2%
Spot assist
82
Track assist
12
Defense
0.49
Avg XP
474

Aggregated from 475 tracked NA players · 2,519 battles. Coverage grows as more players are tracked.

MoE thresholds (combined dmg + assist)
65%—
85%—
95%—

Reach these combined damage (dealt + assist) values over a rolling window to earn marks of excellence.

Performance over time

Daily NA 30-day aggregates — how this tank trends as patches and meta shift

Loading

Population spread

How NA players actually perform in this tank (30-day window)

Loading
A-05 · TOP OPERATORS

Top players

Highest performers in the ST vz. 39 on NA

  1. #1_DarthFox_177 battles1,322
  2. #2_Foxey_405 battles1,170
  3. #3fala79118 battles1,081
  4. #4Bierkrieg130 battles997
  5. #5soflor2014155 battles967
  6. #6Sgtaxeman103 battles891
  7. #7Lord_Dukkse112 battles888
  8. #8Corvus_Maximus250 battles883
  9. #9Viking_Tyr138 battles876
  10. #10April30_2026244 battles864
A-06 · VIDEO INTEL

Video reviews

Curated reviews, replays, and guides from veteran players

A-07 · SIMILAR HULLS

Similar tanks

Closest matches by stat profile — pick the ones that fit your playstyle.

A-08 · CHANGELOG

Balance changelog

What changed for this tank between game versions

  1. 2.0Sep 1, 2025
    • Traverse speed2835
    • Mobility on hard terrain——
    • Mobility on medium terrain——
    • Mobility on soft terrain——
    • Traverse speed3340
    • Power225260
    • Power260290
    • EnginePraga V-8-H-Svremoved
    • Vehicle durability510540
    • Vehicle durability540570
    • Reload time3.52.9
    • Aiming time2.32.2
    • Dispersion on turret traverse——
    • AP damage6075
    • APCR* damage6075
    • HE damage75100
    • AP penetration6282
    • APCR* penetration115121
    • Reload time32.8
    • Dispersion at 100 m0.380.37
    • Aiming time2.22.1
    • Dispersion on turret traverse——
    • AP damage6075
    • APCR* damage6075
    • HE damage75100
    • AP penetration6282
    • APCR* penetration115121
    • Reload time2.52.7
    • Dispersion on turret traverse——
    • AP damage6075
    • APCR* damage6075
    • HE damage75100
    • AP penetration8697
    • GunST vz. 39 / 47 mm Škoda A9removed
    • GunV-8-H-Sv / 47 mm Škoda A9removed
The full Czechoslovakia tech tree