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STB-1

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STB-1

AnnoJ16_ST_B1.png
Battle Tier
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Overview
Mouse over "
Well, the ones further down, of course.
" for more information
[Client Values; Actual values in
Specifically, the mismatch in crew values caused by commander's 10% crew skill bonus. Outside of a crew of 1 commander only, 100% crew is a fiction. The client values, given for 100% crew, will normally be taken into battle with 110% crew skill members aside from specific functions, causing their actual performance to deviate from the expected client value. These differences are taken into account in tooltip boxes.
]
6,100,000  Credits Cost
20002000 HP Hit Points
37.4/4037.4/40 t Weight Limit
Crew
  1. Commander (Radio Operator)
  2. Gunner
  3. Driver
  4. Loader
Mobility
950950 hp Engine Power
50/25 km/h Speed Limit
5252 deg/s Traverse
25.425.4 hp/t Power/Wt Ratio
YesYes Pivot
Armor
110/35/25 mm Hull Armor
222/60/25222/60/25 mm Turret Armor
Armament







{{#ifeq:HOLLOW_CHARGE|ARMOR_PIERCING||



{{#ifeq:HIGH_EXPLOSIVE|ARMOR_PIERCING||


AP/HEAT/HE







{{#ifeq:HOLLOW_CHARGE|ARMOR_PIERCING||



{{#ifeq:HIGH_EXPLOSIVE|ARMOR_PIERCING||


AP/HEAT/HE
Shells




















1200/4800/880




















1200/4800/880
Shell Cost
360/360/440360/360/440 HP Damage
258/330/53258/330/53 mm Penetration



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8.45 r/m 

Standard Gun

Reload Times
Nominal: 7.1 s
50% Crew: 8.8 s
75% Crew: 7.68 s
100% Crew: 6.81 s
Rammer: 6.13 s
Vents: 6.66 s
Both: 5.99 s
Both and BiA: 5.86 s
Both and Max Crew %: 5.62 s

See Crew, Consumables, or Equipment for more information.



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8.45 r/m 

Standard Gun

Reload Times
Nominal: 7.1 s
50% Crew: 8.8 s
75% Crew: 7.68 s
100% Crew: 6.81 s
Rammer: 6.13 s
Vents: 6.66 s
Both: 5.99 s
Both and BiA: 5.86 s
Both and Max Crew %: 5.62 s

See Crew, Consumables, or Equipment for more information.
Rate of Fire






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3042

Standard Gun

Using Shell Type 1 (360 Damage):


Theoretical Damage Per Minute
Nominal DPM: 3042
50% Crew: 2455.2
75% Crew: 2811.6
100% Crew: 3171.6
100% Crew
Vents: 3243.6
Rammer: 3524.4
Both: 3603.6
Both and BiA: 3682.8
Both and Max Crew %: 3841.2

Advantageous Damage Per Minute
First-shot DPM: 3402
50% Crew: 2815.2
75% Crew: 3171.6
100% Crew: 3531.6
100% Crew
Rammer: 3884.4
Vents: 3603.6
Both: 3963.6
Both and BiA: 4042.8
Both and Max Crew %: 4201.2

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (360 Damage):


Theoretical Damage Per Minute
Nominal DPM: 3042
50% Crew: 2455.2
75% Crew: 2811.6
100% Crew: 3171.6
100% Crew
Vents: 3243.6
Rammer: 3524.4
Both: 3603.6
Both and BiA: 3682.8
Both and Max Crew %: 3841.2

Advantageous Damage Per Minute
First-shot DPM: 3402
50% Crew: 2815.2
75% Crew: 3171.6
100% Crew: 3531.6
100% Crew
Rammer: 3884.4
Vents: 3603.6
Both: 3963.6
Both and BiA: 4042.8
Both and Max Crew %: 4201.2

See here, here, or here for more information.

Standard Gun

Using Shell Type 3 (440 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 3718
50% Crew: 3000.8
75% Crew: 3436.4
100% Crew: 3876.4
100% Crew
Vents: 3964.4
Rammer: 4307.6
Both: 4404.4
Both and BiA: 4501.2
Both and Max Crew %: 4694.8

Advantageous Damage Per Minute
First-shot DPM: 4158
50% Crew: 3440.8
75% Crew: 3876.4
100% Crew: 4316.4
100% Crew
Rammer: 4747.6
Vents: 4404.4
Both: 4844.4
Both and BiA: 4941.2
Both and Max Crew %: 5134.8

See here, here, or here for more information.






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3042

Standard Gun

Using Shell Type 1 (360 Damage):


Theoretical Damage Per Minute
Nominal DPM: 3042
50% Crew: 2455.2
75% Crew: 2811.6
100% Crew: 3171.6
100% Crew
Vents: 3243.6
Rammer: 3524.4
Both: 3603.6
Both and BiA: 3682.8
Both and Max Crew %: 3841.2

Advantageous Damage Per Minute
First-shot DPM: 3402
50% Crew: 2815.2
75% Crew: 3171.6
100% Crew: 3531.6
100% Crew
Rammer: 3884.4
Vents: 3603.6
Both: 3963.6
Both and BiA: 4042.8
Both and Max Crew %: 4201.2

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (360 Damage):


Theoretical Damage Per Minute
Nominal DPM: 3042
50% Crew: 2455.2
75% Crew: 2811.6
100% Crew: 3171.6
100% Crew
Vents: 3243.6
Rammer: 3524.4
Both: 3603.6
Both and BiA: 3682.8
Both and Max Crew %: 3841.2

Advantageous Damage Per Minute
First-shot DPM: 3402
50% Crew: 2815.2
75% Crew: 3171.6
100% Crew: 3531.6
100% Crew
Rammer: 3884.4
Vents: 3603.6
Both: 3963.6
Both and BiA: 4042.8
Both and Max Crew %: 4201.2

See here, here, or here for more information.

Standard Gun

Using Shell Type 3 (440 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 3718
50% Crew: 3000.8
75% Crew: 3436.4
100% Crew: 3876.4
100% Crew
Vents: 3964.4
Rammer: 4307.6
Both: 4404.4
Both and BiA: 4501.2
Both and Max Crew %: 4694.8

Advantageous Damage Per Minute
First-shot DPM: 4158
50% Crew: 3440.8
75% Crew: 3876.4
100% Crew: 4316.4
100% Crew
Rammer: 4747.6
Vents: 4404.4
Both: 4844.4
Both and BiA: 4941.2
Both and Max Crew %: 5134.8

See here, here, or here for more information.
Damage Per Minute


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0.37 m 

With 50% Crew: 0.458 m
With 75% Crew: 0.4 m
With 100% Crew: 0.355 m
With BiA: 0.347 m
With BiA and Vents: 0.339 m
Maximum possible: 0.325 m

For more details, see Crew


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0.37 m 

With 50% Crew: 0.458 m
With 75% Crew: 0.4 m
With 100% Crew: 0.355 m
With BiA: 0.347 m
With BiA and Vents: 0.339 m
Maximum possible: 0.325 m

For more details, see Crew
Accuracy


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2 s 

With 50% Crew: 2.478 s
With 75% Crew: 2.163 s
With 100% Crew: 1.918 s
With GLD: 1.743 s
With BiA: 1.875 s
With BiA and Vents: 1.835 s
With both and GLD: 1.668 s
Maximum possible: 1.599 s

For more details, see Crew or Equipment


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2 s 

With 50% Crew: 2.478 s
With 75% Crew: 2.163 s
With 100% Crew: 1.918 s
With GLD: 1.743 s
With BiA: 1.875 s
With BiA and Vents: 1.835 s
With both and GLD: 1.668 s
Maximum possible: 1.599 s

For more details, see Crew or Equipment
Aim time
5050 deg/s Turret Traverse
360° Gun Arc
-8°/+15°-8°/+15° Elevation Arc
5050 rounds Ammo Capacity
General
1212 % Chance of Fire






400 m 

With 50% Crew: 314.3 m
With 75% Crew: 357.2 m
With 100% Crew: 400 m
With Recon and Situational Awareness: 420.2 m
With Coated Optics: 440 m
With Binocular Telescope: 500 m
Maximum possible: 572.6 m

For more details, see Skills or Equipment






400 m 

With 50% Crew: 314.3 m
With 75% Crew: 357.2 m
With 100% Crew: 400 m
With Recon and Situational Awareness: 420.2 m
With Coated Optics: 440 m
With Binocular Telescope: 500 m
Maximum possible: 572.6 m

For more details, see Skills or Equipment
View Range


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750 m 

With 50% Crew: 589.3 m
With 75% Crew: 669.7 m
With 100% Crew: 750 m
With 100% Signal Boost: 900 m
When affected by 100% Relaying: 825 m
Maximum possible: 1079.2 m

For more details, see Skills or Equipment


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750 m 

With 50% Crew: 589.3 m
With 75% Crew: 669.7 m
With 100% Crew: 750 m
With 100% Signal Boost: 900 m
When affected by 100% Relaying: 825 m
Maximum possible: 1079.2 m

For more details, see Skills or Equipment
Signal Range
STB-1

Additional Statistics
(Top Configuration)

Camouflage

  • Stationary: 13.7%
  • When Moving: 10.3%
  • When Firing: 2.9%


Terrain Resistance

  • On Hard Ground: 0.96
  • On Medium Ground: 1.06
  • On Soft Ground: 2.11


Dispersion Change Values

  • Turret Contribution
  • Rotation: 0.13
  • Shot Recoil: 2.88
  • Suspension Contribution
  • Acceleration: 0.15
  • Turning: 0.15


With 100% Crew

X

AnnoJ16_ST_B1.png

6100000

The STB-1 is a Japanese tier 10 medium tank.

In the early 1960s, Mitsubishi started development of a new tank that complied with government requirements for armament and defense. The first two prototypes of the STB-1 were manufactured in September 1969 for trials. In 1970 the prototypes were shown to journalists and participated in a military parade.

The STB-1 is a prototype of well-known Japanese Type 74 main battle tank. marked the end of the Japanese Medium Tank line, it was fast semi-accurate medium tank with low but well sloped armor, very high DPM and high penetration. makes it excel at supporting role.

In the 1.5.1 patch, the STB-1 received a much-requested special feature; hydropneumatic suspension system, which were previously exclusive to the Swedish high tier mediums. This allowed the STB-1 to utilizing several tactics via abusing its special suspension such as hull down position, etc.

The STB-1 marks the end of its Japanese medium line.

Modules / Available Equipment and Consumables

Modules

Ico_gun_alpha.png

Guns

Tier Gun Penetration
(mm)
Damage
(HP)
Rate of fire
(rounds/minute)
Dispersion
(m/100m)
Aiming time
(s)
Weight
(kg)
Price
(Credits)

X 105 mm Rifled Gun 258/330/53 360/360/440 8.45 0.37 2 1150 290000

Ico_turret_alpha.png

Turrets

Tier Turret Turret Armor (front/sides/rear)
(mm)
Turret Traverse Speed
(deg/s)
View Range
(m)
Weight
(kg)
Price
(Credits)

X STB-1 222/60/25 50 400 9000 82500

Ico_engine_alpha.png

Engines

Tier Engine Engine Power
(hp)
Chance of Fire on Impact
(%)
Weight
(kg)
Price
(Credits)

X Mitsubishi 10ZF21WT 950 12 2200 132000

Ico_suspension_alpha.png

Suspensions

Tier Suspension Load Limit
(т)
Traverse Speed
(gr/sec)
Rmin Weight
(kg)
Price
(Credits)

X STB-1 40 52 0 12500 82500

Ico_radio_alpha.png

Radios

Tier Radio Signal Range
(m)
Weight
(kg)
Price
(Credits)

X Type 67 750 370 55000

Compatible Equipment

Vertical Stabilizer Mk 1 Medium Spall Liner Camouflage Net Fill Tanks with CO2 Coated Optics Stabilizing Equipment System Experimental Optics Wear-Resistant Gun Laying Drive Venting System Innovative Loading System Extended Spare Parts Kit Enhanced Gun Laying Drive Enhanced Torsion Bars 3 t Class Improved Ventilation Class 2 Medium-Caliber Tank Gun Rammer Binocular Telescope Toolbox "Wet" Ammo Rack Class 1 

Compatible Consumables

Stabilizer Greasing Automatic Fire Extinguisher Natural Cover Optical Calibration Aim Tuning Experienced Firefighters Manual Fire Extinguisher Vent Purge Large First Aid Kit Large Repair Kit Duty Comes First Shell Organizer Quality Oil Orderly Ammo Rack Focus on Target Onigiri Increased Focus Small First Aid Kit Small Repair Kit Gearbox Intricacy Steady Hand Pre-Battle Maintenance Combat Course 


Player Opinion

Pros and Cons

Pros:

- Hydropneumatic suspension; can utilizing more gun elevation and depression when moving at low speed or stationary

- Fairly strong turret face, combined with hydropneumatic suspension, makes it can utilizing hull down position effectively

- Second highest DPM of all 105mm-armed Tier 10 medium tanks, beaten only by AMX-30B

- Decent camouflage values

- Very good view range

- Good mobility


Cons:

- Poor gun handling for a medium tank

- Poor overall armor profile, sides/rear are especially vulnerable

- Frequent module damage and crew injury

- 2nd worst gun elevation in the game (9) and poor gun depression (-6) while not activating a hydropneumatic suspension

- As the only non-Swedish tank in the game to utilizing a hydropneumatic suspension, it takes a certain amount of time to get used to it if not played the high tier Swedish medium tanks before


Performance

The STB-1 is similar to the previous tanks in the line, with the exception that it now has much better turret armor than the tanks before it. It can reliably hull down unlike its predecessors due to a much needed increase in turret armor. While no longer having the highest DPM on a tier 10 medium, it still has the fast reload and the 390 alpha damage of the L7, the STB-1 is a very serious threat when hull down as it can very quickly outgun almost anything that isn't an autoloader. The tank itself is very small and as a result has a good camouflage factor and is also relatively mobile. While its camouflage and mobility are not on the levels of a soviet medium such as the T-62A, they are still above average for their class. However to set it apart from soviet mediums, it has 10m more view range.

However, while it is a menace at medium to close range when hull down, the STB-1 performs poorly at long range. With poor dispersion values, a semi-high base aim time, and subpar base accuracy, the STB-1 has significantly longer exposure time than other tanks in its class, with the exceptions being the 121 and the Batchat 25t. In addition, the tank does not perform very well when not hull down. Its hull might be well angled, but the armor is very poor, meaning even light tanks can penetrate it frontally without too much trouble. To make things worse, the ammo rack sits in the front and is prone to damage and the driver often gets killed.

Last to note, while the turret overall is strong, the closer to the center of the gun mantlet shots land, the weaker the armor gets. Occasionally, high penetration HEAT rounds may also pen the turret even in stronger areas. Ultimately, the turret should be used to minimize exposure, not to deflect shells completely.


Suggested Equipment


Tank Gun Rammer Vertical Stabilizer Improved VentilationCoated Optics 


Gallery

Historical Info

The JGSDF started studies on a new tank design with Mitsubishi in 1962, as it was realized that the Type 61 would not be able to defeat the latest Soviet designs like the T-62. Features from several designs were incorporated, including the controllable suspension of the US-German MBT-70 project, the hull of the Leopard 1, and the L7 105mm gun. The design included a rotating cupola for the commander, and a new autoloader for the main gun. The design was finalized in 1964 and various test rigs were built between 1964 and 1967.

The first prototype, designated STB-1, was delivered in late 1968 and underwent a number of modifications until 1969. The autoloader proved too complex and expensive, and was removed, additionally the remote controlled anti-aircraft machine gun was removed. The design of the turret was also changed, becoming longer. These changes resulted in the STB-3, which was delivered in 1971. The final prototype designated STB-6 was delivered in 1973. Production finally started as the Type 74 in September 1975, with 225 being delivered by January 1980. Production ended in 1989, with total production running to 893 examples.

In service, the tanks were updated with the addition of infra-red imagers (not image intensifiers) for the commander and gunner, and a laser rangefinder in the commander's cupola. The gunner's position included a digital fire control computer, fed range data from the commander's range finder. Rounds for the main gun were upgraded from HEP to APFSDS and HEAT-MP.

The Type 74 tank has the Mitsubishi 10ZF Model 21 10-cylinder two-stroke cycle diesel engine providing 750 hp (560 kW). At 19 hp/tonne, its power-to-weight ratio is similar to the French AMX-30. The maximum quoted road speed of the Type 74 is 53 km/h but its top speed is at least 60 km/h.

The Type 74 was generally outdated even before it entered service. The Type 90 was to have replaced it outright, but with the ending of the Cold War these plans were scaled back. In 1993 four Type 74's were improved to the new Type 74 Kai (改) [Type 74 mod G (G型)] standard, adding a passive infrared camera, side skirts, and so on. The upgrade proved to be extremely expensive, and the program was dropped.


Historical Gallery

Historical Accuracy Errata

The following are consensus errors or inconsistencies which have been identified with the configuration of the vehicle in question and conflict with information available on the public record. The causes for these divergences in the game are normally not disclosed and may be rooted in game balance.

* The STB-1 had an autoloader. In WoT, it more closely resembles the follow-up STB-3 which lacked that feature.


Japan
Light Tanks IRenault Otsu IIType 95 Ha-Go IIType 97 Te-Ke IIIType 98 Ke-Ni IVType 5 Ke-Ho
Medium Tanks IIChi-Ni IIType 89 I-Go/Chi-Ro IIIType 97 Chi-Ha IVType 1 Chi-He VType 3 Chi-Nu VType 3 Chi-Nu Kai VIType 4 Chi-To VIIType 5 Chi-Ri VIIISTA-1 VIIISTA-2 IXType 61 XSTB-1
Heavy Tanks IIIType 91 Heavy IVType 95 Heavy VO-I Experimental VIHeavy Tank No. VI VIO-I VIIO-Ni VIIIO-Ho IXType 4 Heavy XType 5 Heavy
Tank Destroyers
Self-Propelled Artillery
Medium Tanks
USA IIT2 Medium Tank IIIM2 Medium Tank IVM3 Lee VM4 Improved VM4A2E4 Sherman VM4A1 Sherman VRam II VIM4A3E8 Fury VIM4A3E8 Thunderbolt VII VIM4A3E8 Sherman VIM4A3E2 Sherman Jumbo VIIT26E3 Eagle 7 VIIT20 VIIT23E3 VIIIT25 Pilot Number 1 VIIIM46 Patton KR VIIIM26 Pershing VIIIT26E4 SuperPershing VIIIT69 VIIIT95E2 IXM46 Patton IXT54E1 XM48A5 Patton XM60 XT95E6
UK IVickers Medium Mk. I IIVickers Medium Mk. II IIIVickers Medium Mk. III IVMatilda IVGrant IVAC 1 Sentinel VCrusader VSherman III VMatilda Black Prince VISherman Firefly VICromwell VIAC 4 Experimental VICromwell B VISherman VC Firefly VIIComet VIIICenturion Mk. I VIIIFV4202 VIIIChieftain/T95 VIIICenturion Mk. 5/1 RAAC VIIIChimera IXCenturion Mk. 7/1 XCenturion Action X
Germany IIIGroßtraktor - Krupp IIIPz.Kpfw. IV Ausf. A IIIPz.Kpfw. S35 739 (f) IVPz.Kpfw. III Ausf. J IVPz.Kpfw. IV Ausf. D IVVK 20.01 (D) VPz.Kpfw. III Ausf. K VTurán III prototípus VPz.Kpfw. III/IV VPz.Kpfw. IV hydrostat. VPz.Kpfw. V/IV VPz.Kpfw. V/IV Alpha VPz.Kpfw. IV Ausf. H VPz.Kpfw. T 25 VIPz.Kpfw. IV Schmalturm VIVK 30.01 (P) VIVK 30.01 (D) VIVK 30.02 (M) VIIPanther/M10 VIIPanther VIIVK 30.02 (D) VIIIPanther mit 8,8 cm L/71 VIIIPanzer 58 Mutz VIIIIndien-Panzer VIIIPanther II IXE 50 IXT 55A IXLeopard Prototyp A XE 50 Ausf. M XLeopard 1
France IIID2 IIISomua S35 IVSARL 42 VRenault G1 VIIILorraine 40 t VIIIAMX Chasseur de chars VIIIM4A1 Revalorisé IXAMX 30 1er prototype IXBat.-Châtillon 25 t AP XBat.-Châtillon 25 t XAMX 30 B
USSR IIIT-29 IVA-32 IVT-28E with F-30 IVT-28 VMatilda IV VT-34 shielded VT-34 VIA-43 VIT-34-85M VIT-34-85 Rudy VILoza's M4-A2 Sherman VIT-34-85 VIIA-44 VIIKV-13 VIIT-43 VIIT-44-122 VIIIObject 416 VIIIT-54 first prototype VIIIT-44-100 (B) VIIIT-44-100 (R) VIIIТ-44-100 (У) VIIISTG VIIISTG Guard VIIIT-44 IXObject 430 Version II IXObject 430 IXT-54 XObject 140 XObject 907 XT-22 medium XK-91 XObject 430U XT-62A
China VType T-34 VIType 58 VIIT-34-1 VIIIType 59 VIIIT-34-2 VIIIT-34-3 VIII59-Patton VIIIType 59 G IXWZ-120 X121 X121B
Japan IIChi-Ni IIType 89 I-Go/Chi-Ro IIIType 97 Chi-Ha IVType 1 Chi-He VType 3 Chi-Nu VType 3 Chi-Nu Kai VIType 4 Chi-To VIIType 5 Chi-Ri VIIISTA-1 VIIISTA-2 IXType 61 XSTB-1
Czechoslovakia IVST vz. 39 VŠkoda T 24 VIŠkoda T 40 VIŠkoda T 25 VIIKonštrukta T-34/100 VIIITVP VTU Koncept VIIIŠkoda T 27 IXŠkoda T 50 XTVP T 50/51
Sweden IVLago VStrv m/42 VIStrv m/42-57 Alt A.2 VIStrv 74 VIILeo VIIIPrimo Victoria VIIILansen C VIIIUDES 14 Alt 5 IXUDES 16 XUDES 15/16
Italy IIM14/41 IIIM15/42 IVP26/40 VP.43 VIP.43 bis VIIP.43 ter VIIIProgetto M35 mod. 46 VIIIP.44 Pantera IXPrototipo Standard B XProgetto M40 mod. 65
Poland V25TP KSUST II VIPudel VI40TP Habicha
ko:Tank:J16 ST B1ja:Tank:J16 ST B1