STB-1
Tier 10 · japan · medium
About
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.
Survivability
Hit points
1,950
View range
410 m
Signal range
750 m
Engine fire chance
12%
Armor (mm)
Front
Sides
Rear
Hull
110
35
25
Turret
240
60
25
Gun · 105 mm Rifled Gun
Caliber
105 mm
Rate of fire
7.14 rpm
Reload
8.4 s
Aim time
2 s
Dispersion @ 100 m
0.32 m
Gun arc
8° / 15°
Traverse
35°/s
Ammo
50
Mobility
Top speed
53 km/h
Reverse
20 km/h
Engine
750 hp
Power/weight
20.1 hp/t
Hull traverse
52°/s
Turret traverse
42°/s
Shells
ARMOR_PIERCING_CR
420 dmg (315–525)
258 mm pen (194–323)
HOLLOW_CHARGE
420 dmg (315–525)
330 mm pen (248–413)
HIGH_EXPLOSIVE
510 dmg (383–638)
53 mm pen (40–66)
Siege mode
Speed
40 km/h
Aim time
2 s
Dispersion
0.32 m
Switch in
0 s
Marks of Excellencesample size 24 · updated 5/23/2026
1 mark
2,099
avg damage
2 marks
0
avg damage
3 marks
0
avg damage