Comparing: ISU-122S vs. AT 15A

	A heavy assault gun, built on the basis of the IS tank, was effective against German heavy tanks as well as fortifications. The prototype was built at the Chelyabinsk Kirov Plant in April 1944. The vehicle entered service in August of that year, and a total of 675 vehicles were manufactured in 1944 and 1945.	Assault tank conceived for breakthrough attacks on enemy fortifications. The design project was ready on October 5, 1943. No prototypes were built. However, the project became the basis for the A39 Tortoise heavy assault tank.
Modules
Auto select
Turrets
Guns
Engines
Suspensions
Radios
Main Characteristics
Tank data page	Tank data page	Tank data page
Tier	VII	VII
Battle Tiers	7 8 9	7 8 9
Price	4,750	6,500
Hit Points	870 HP	1050 HP
Signal range	440 m	570 m
Speed Limit	43 km/h	20 km/h
Speed Limit Back	12 km/h	10 km/h
Weight	45.815 t	65 t
Load limit	54.40 t	68.00 t
Crew	Commander (Radio Operator) Gunner Driver Loader Loader	Commander Gunner Driver Radio Operator Loader Loader
Armor
Hull Armor	Front: 90 mm Side: 90 mm Rear: 60 mm	Front: 228.6 mm Side: 152.4 mm Rear: 101.6 mm
Turret Armor	Front: mm Side: mm Rear: mm	Front: mm Side: mm Rear: mm

Mobility
Engine Power	600 hp	650 hp
Horse power / weight	13.10 hp/t	10.00 hp/t
Traverse Speed	27 d/s	24 d/s
Max Climb Angle	25	25
Hard terrain resistance	1.10	1.30
Medium terrain resistance	1.30	1.50
Soft terrain resistance	2.20	2.60
Fire Chance	15 %	20 %
Engine Type	Diesel	Gasoline
Turret
View Range	350 m	350 m
Turret Traverse	26 d/s	26 d/s
Traverse Arc	-8°/8	-25°/25
Armament
Damage (Explosion radius)	AP 390 HP APCR 390 HP HE 530 HP (2.49 m)	AP 150 HP APCR 150 HP HE 190 HP (1.09 m)
Penetration	AP 175 mm APCR 217 mm HE 64 mm	AP 171 mm APCR 239 mm HE 38 mm
Shell Price	AP 1025 APCR 12 (gold) HE 608	AP 175 APCR 8 (gold) HE 75
Shell Speed	AP 800 m/s APCR 1000 m/s HE 800 m/s	AP 884 m/s APCR 1105 m/s HE 884 m/s
Damage / min	AP 3162.9 HP/min APCR 3162.9 HP/min HE 4298.3 HP/min	AP 2092.5 HP/min APCR 2092.5 HP/min HE 2650.5 HP/min
Rate of Fire	8.11 r/m	13.95 r/m
Reload time	7.40 s	4.30 s
Clip	/	/
Accuracy	0.41 m	0.32 m
Aim time	2.90 s	1.90 s
Elevation Arc
Ammo Capacity	32 rounds	70 rounds
Camo value
Stationary	%	%
In motion	%	%
When Firing	%	%
Battle performance
Accuracy	%	64.9746 %
Neto Credits Income		10984.4
Winrate	%	50.0488 %
Damage dealt		665.184
Kills per Battle		0.611706
More stats @ vbaddict.net	More stats	More stats