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Image of the "IS-1" in Multicrew Tank Combat on Roblox
Hawk Republic

IS-1

Heavy Tank
Improvement upon KV series although still somewhat lacking

General information

Locomotion
Tracked
Supported classes
Crewman
Obtainment
Shop
Price
50,000 money

In-game availability

Loadout/TeamHawk Republic
WW2Tier 3

Addons

1,000 points
AddonCost
100mm Cannon1,000 points
Data as of 12/25/2025

Vehicle

Weight44 t
Seating capacity4
Commander1
Driver1
Gunner1
Loader1
Max speed
Forward37 km/h
Backward14.3 km/h

Powertrain

EngineV-2IS
TypeDiesel
Max RPM2,000 RPM
Horsepower520 hp
Power-to-weight ratio11.8 hp/t
Transmission
Forward gears8
Reverse gears2

Gunner turret

Traversal
Horizontal speed14.4 deg/s
Vertical speed5 deg/s
Vertical limits-5°–25°

Weapons

85mm D-5S

Reload speed7.84s
Refill speed6s
AmmoMax
BR-365*
O-365K*
BR-365P*
Ammo models
Turret ammo25
Hull ammo34

7.62mm DT-28

Reload speed6s
Magazine size63
AmmoMax
AP*
Ammo models
MG ammo40

Sights

Telescope sight

RangefinderNone
Zoom2.5x

Periscope sight

RangefinderNone
Zoom2.5x

Commander turret

Feature: Stabilizer
Traversal
Mouse aimYes
Horizontal speed60 deg/s
Vertical speed60 deg/s
Vertical limits-15°–15°

Weapons

7.62mm DT-28

Reload speed6s
Magazine size63
AmmoMax
AP*
Ammo models
MG ammo40

Sights

Sight 1

RangefinderNone
Zoom1x

Driver turret

Traversal
Horizontal speed45 deg/s
Vertical speed45 deg/s
Vertical limits-10°–10°

Weapons

7.62mm DT-28

Reload speed6s
Magazine size63
AmmoMax
AP*
Ammo models
MG ammo4

Sights

Sight 1

RangefinderNone
Zoom1x
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