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ISU-152



Overview


ISU-152K

Right side view of ISU-152K assault gun on public display.
Source: Yuriy75 - © Public domain

Origin
Soviet Union
Type
Assault gun
Tank destroyer
Self-propelled howitzer
Entered service
1944
Status
Obsolete
Development
1943
Developer
Soviet Union
Production
December 1943 - 1947 (new vehicles)
Late 1950's - 1960's (refurbishment)
Producer
Soviet Union - ChKZ / Chelyabinsk Kirov factory
Soviet Union - LKZ / Leningrad Kirov factory
Number produced
2.825 in total
2.475 by ChKZ and 350 by LKZ
1.885 produced during World War 2
Designations
ИСУ-152 (cyrillic)
Obyekt 241 (GABTU index)
Notable users
Soviet Union
Egypt

Details


Facts ISU-152 ISU-152M
General
Origin
Soviet Union
Type
Assault gun
Crew
5
Dimensions
Weight
45.5 - 46.0 t
Length
9.05 m overall
6.54 m hull
Width
3.07 m
Height
2.48 m to casemate roof
2.87 m overall
Main armament
Type
152mm ML-20S 28-caliber howitzer
Mount
Main gun in casemate
Ammunition
21 shells
Elevation
-3° to +20°, manual
Traverse
3° left to 7° right, manual
Maximum range
13 km
Stabilizer
No
Secondary armament
Type
12.7mm DShK heavy machine gun
Mount
Pintle mount on roof
Ammunition
250 rounds, 50 ready to fire
Traverse
Manual traverse and elevation
Stabilizer
No
Chassis
Chassis type
Tracked chassis, 7 roadwheels
Layout
Idler front, drive sprocket rear
Ground pressure
0.81 kg/cm²
Track width
0.65 m
Track on ground
4.31 m
Tread
2.42 m
Suspension
Torsion bar
Automotive
Engine model
V-2-IS
Engine type
V12 water-cooled diesel
Power output
520 hp
Transmission
Mechanical, 8 forward, 2 reverse
Fuel
500 L internal
360 L external
Mobility
Speed
37 km/h on road
10 - 15 km/h in the field
Range
220 km on road (internal fuel)
140 km in the field
Power to weight ratio
11.3 hp/t
Obstacle crossing
Ground clearance
0.47 m
Wall
1.0 m
Trench
2.5 m
Gradient
36°
Slope
30°
Fording
1.3 m
Protection
Armor type
Steel
Armor thickness
90 mm hull front
75 to 90 mm hull sides
100 to 120 mm mantlet
90 mm casemate front
75 mm casemate sides
30 mm roof
NBC system
No
Smoke system
No
Fire suppression
Yes, carbon tetrachloride-type
Equipment
Night vision
No
Fire control
ST-10 gun sight
Radio
Yes, 10R or 10RK

Media


Related articles


DShK

For self-defense a 12.7mm DShK heavy machine gun if mounted on the roof. This can also be used against low flying aircraft.