IS-1
USSR
Vehicle
WIP
BR IV Unlocked
Description
IS-1 The Soviet heavy tank was in fact an in-depth redesign and modernization of the KV-1 and KV-1S tanks. Armor protection and weapons were significantly improved. However, in its design, it inherited a large number of elements from KV tanks of various modifications.
Statistics
| Crew | 4 |
|---|---|
| Max speed | 37.03 km/h |
| Engine power | 442 hp |
| Hull armor | Front 120 · Side 90 · Rear 60 · Bottom 25 mm |
| Turret armor | Front 100 · Side 100 · Rear 20 · Top 30 mm |
| Weight | 44 t |
Upgrades
- Upgrade level 1 Chassis modification Braking force +15 % · Suspension damping +15 % Cost in silver: 4,550 (with −20 % discount: 3,640, −40 %: 2,730)
- Upgrade level 2 Engine compartment modification Engine power +15 % Cost in silver: 13,650 (with −20 % discount: 10,920, −40 %: 8,191)
- Upgrade level 3 Gun and turret units modification Shots deviation −15 % · Horizontal turret aim speed +15 % · Vertical gun aim speed +20 % Cost in silver: 27,250 (with −20 % discount: 21,800, −40 %: 16,351)
Armament
| Weapon | Ammo |
|---|---|
| 85 mm D-5T cannon | 59 |
| 7.62 mm DT machine gun | 2,520 |
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