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ST_B1 (Stock)

6100000 Price
1950 Hit Points
37.03 / 40 kgWeight
  1. Commander
110/35/25Hull Armor(front/sides/rear, mm)
132/132/37Turret Armor(front/sides/rear, mm)
750 h.p.Engine Power
53 km/hSpeed Limit
52 deg/secTraverse Speed
390 Standard Shell Damage
258 mmStandard Shell Penetration
8 Time for Complete Loading
42 deg/secTurret Traverse Speed
410 mView Range
750 mSignal Range
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.



Level Turret Weight (t) Turret Armor (front/sides/rear, mm) Gun Traverse Speed (deg/s) View Range (m)
turret X STB-1 9000 132/132/37 42 410
Level Gun Weight (t) Average Penetration (mm) Rate of Fire Dispersion at 100 m Aiming Time
gun X 105 mm Rifled Gun 1150 258/330/53 390/390/480 7.5 0.36 2.3
Level Engine Weight (t) Engine Power (h.p.) Chance of Fire on Impact
engine X Mitsubishi 10ZF21WT 2200 750 12
Level Suspension Weight (t) Load Limit Traverse Speed (deg/s)
chassis X STB-1 12500 40 52
Level Radio Weight (t) Signal Range (m)
radio X Type 67 0 750

Compatible Equipment

Vertical Stabilizer Mk 1
Medium Spall Liner
Camouflage Net
Fill Tanks with CO2
Coated Optics
Enhanced Gun Laying Drive
Enhanced Torsion Bars 3 t Class
Improved Ventilation Class 2
Medium-Caliber Tank Gun Rammer
Binocular Telescope
"Wet" Ammo Rack Class 1

Compatible Consumables

Automatic Fire Extinguisher
Manual Fire Extinguisher
Large First Aid Kit
Large Repair Kit
Quality Oil
Small First Aid Kit
Small Repair Kit

Player Opinion

Pros and Cons


  • Fastest reload on a 105mm cannon
  • Great gun depression
  • Tough turret
  • Reasonably mobile
  • Good camouflage values and view range


  • One of the worst overall dispersion values in its class and poor aim time for a medium at this tier
  • Gun mantlet gets weak towards the center
  • Poor overall hull armor, relies more on slope than thickness.
  • Receives frequent module damage due to crammed space and poor armor
  • Poor gun elevation


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.

History for this tank not found

Light Tanks IRenault Otsu IIType 95 Ha-Go IIIType 98 Ke-Ni IVType 5 Ke-Ho
Medium Tanks IIChi-Ni 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 IXType 61 XSTB-1
Heavy Tanks
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UK IVickers Medium Mk. I IIVickers Medium Mk. II IIIVickers Medium Mk. III IVMatilda VMatilda Black Prince VICromwell VICromwell Knight VIIComet VIIICenturion Mk. I IXCenturion Mk. 7/1 XFV4202
Germany IIIPz.Kpfw. IV Ausf. A IIIPz.Kpfw. S35 739 (f) IVPz.Kpfw. III IVPz.Kpfw. IV Ausf. D IVVK 20.01 (D) VPz.Kpfw. III/IV VPz.Kpfw. IV VPz.Kpfw. IV Hydrostat VPz.Kpfw. V/IV VPz.Kpfw. IV Ausf. H VT-25 VIPz.Kpfw. IV Schmalturm VIVK 30.01 (P) VIVK 30.01 (D) VIVK 30.02 (M) VIIPanther/M10 VIIPz.Kpfw. V Panther VIIVK 30.02 (D) VIIIPanther mit 8,8 cm L/71 VIIIIndien-Panzer VIIIPanther II IXE-50 IXLeopard prototyp A XE-50 Ausf. M XLeopard 1
France IIID2 IXLorraine 40 t XBat.-Châtillon 25 t
USSR IVT-28 VMatilda IV VT-34 VIA-43 VIT-34-85 VISpectre VIT-34-88 VIIA-44 VIIKV-13 VIIT-43 VIIT-44-122 VIIIObject 416 VIIIT-44 IXObject 430 Version II IXT-54 XObject 140 XObject 430 XT-62A
China VType T-34 VIType 58 VIIT-34-1 VIIIT-34-2 VIIIT-34-3 IXWZ-120 X121
Japan IIChi-Ni 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 IXType 61 XSTB-1