USSR
T-54 first prototype
* Decreased dispersion during movement of the T-54 first prototype suspension by 9%
* Decreased dispersion on hull traverse of the T-54 first prototype suspension by 9%
* Decreased dispersion on turret traverse of the 100 mm D10T-K gun by 25%
* Changed aiming time of the 100 mm D10T-K gun for the T-54 first prototype turret from 2.4 s to 2.2 s
* Changed the view range of the T-54 first prototype turret from 360 m to 380 m
* Improved turret armor
* Changed penetration of the UBR-412 shell for the 100 mm D10T-K gun from 183 mm to 190 mm
* Changed penetration of the UBR-412P shell for the 100 mm D10T-K gun from 235 mm to 247 mm
* Changed the depression angle of the 100 mm D10T-K gun from -6 degrees to -7 degrees
* Changed the ammo rack capacity for the 100 mm D10T-K gun from 34 to 56
T-44-100
* Decreased dispersion on turret traverse of the 100 mm LB-1 gun by 15%
* Changed the reload time of the 100 mm LB-1 gun from 8.1 s to 7.5 s
* Changed the aiming time of the 100 mm LB-1 gun from 6.5 s to 4.5 s
* Improved turret armor
* Changed penetration of the UBR-412 shell for the 100 mm LB-1 gun from 183 mm to 190 mm
* Changed penetration of the UBR-412P shell for the 100 mm LB-1 gun from 235 mm to 247 mm
Т-44
* Decreased dispersion during movement of the T-44 suspension by 9%
* Decreased dispersion during movement of the T-44M suspension by 10%
* Decreased dispersion on hull traverse of the T-44 suspension by 9%
* Decreased dispersion on hull traverse of the T-44M suspension by 10%
* Changed dispersion of the 122 mm D-25-44 gun from 0.43 m to 0.42 m
* Decreased dispersion on turret traverse of the 100 mm LB-1 gun by 14%
* Changed the reload time of the 122 mm D-25-44 gun for the Т-44-100 turret from 19.2 s to 15.2 s
* Changed the reload time of the 100 mm LB-1 gun for the Т-44-100 turret from 8.1 s to 7.5 s
* Changed the aiming time of the 122 mm D-25-44 gun for the Т-44-100 turret from 3.4 s to 3.2 s
* Changed the aiming time of the 100 mm LB-1 gun for the Т-44-100 turret from 2.3 s to 2.1 s
* Improved hull and turret armor
* Changed penetration of the UBR-412P shell for the 100 mm LB-1 gun from 235 mm to 247 mm
* Changed penetration of the UBR-412 shell for the 100 mm LB-1 gun from 183 mm to 190 mm
Т-54
* Changed dispersion of the 100 mm D-10T2S gun from 0.35 m to 0.39 m
* Changed dispersion of the 100 mm D-54 gun from 0.39 m to 0.33 m
* Changed the reloading time of the 100 mm D-10T2S gun for the T-54 mod. 1949 turret from 7.8 s to 7.4 s
* Changed the reloading time of the 100 mm D-54 gun for the T-54 mod. 1949 turret from 8.2 s to 8.5 s
* Changed the aiming time of the 100 mm D-10T2S gun for the T-54 mod. 1946 turret from 2.3 s to 2.5 s
* Changed the aiming time of the 100 mm D-54 gun for the T-54 mod. 1949 turret from 2.9 s to 2 s
* Improved hull and turret armor
* Changed penetration of the UBR-412P shell for the 100 mm LB-1 gun from 235 mm to 247 mm
* Changed penetration of the UBR-412 shell for the 100 mm LB-1 gun from 183 mm to 190 mm
* Changed the depression angle of the 100 mm D-10T2S gun from -5 degrees to -6 degrees
Object 140
* Improved armor of the turret top
IS-7
* Added the M-50TI engine
* Removed the M-50T engine
* Decreased dispersion during movement of the IS-7 suspension by 16%
* Decreased dispersion hull traverse of the IS-7 suspension by 16%
* Decreased dispersion on turret traverse of the 130 mm S-70 gun by 25%
* Changed aiming time of the 130 mm S-70 gun for the IS-7 turret from 3.1 s to 2.9 s
* Changed vehicle durability from 2,150 to 2,400
ISU-152
* Added the 152 mm D-4S
* Removed the 122 mm A-19 mod. 1937 gun
* Removed the 122 mm D-25S mod. 1944 gun
* Removed the 152 mm BL-10
* Removed the UBR-471 shell
* Removed the BR-471D shell
* Removed the UOF-471 shell
* Removed the 53-OF-551 shell
* Removed the UBR-551 shell
* Removed the UBR-551P shell
* Changed vehicle durability from 1,210 to 1,200
* Changed the research cost of the BL-9S gun from 44,000 to 24,000
* Changed the vehicle research cost of the Object 704 from 176,500 to 192,500
Object 704
* Added the 152 mm D-4S
* Changed the vehicle research cost of the Object 268 from 301,000 to 239,000
Object 268
* Increased the Gun Traverse Limits from 6L/6R to 11L/11R
* Increased velocity of the 152mm_UBR551M shell for the 152mm_M64 gun from 760 to 950 m/s (AP shells)
FRANCE
AMX 13 75
* Changed the ammo capacity for the 75 mm SA49 gun from 42 to 44 shells
Bat.-Châtillon 25 t
* Changed the ammo capacity for the 100 mm SA47 from 30 to 42 shells
AMX 30 B
* Decreased dispersion during movement of the AMX 30 B suspension by 25%
* Decreased dispersion on hull traverse of the AMX 30 B suspension by 25%
* Changed dispersion of the 105 mm mle. F1 gun from 0.3 m to 0.36 m
* Decreased dispersion on turret traverse of the 105 mm mle. F1 gun by 33%
* Changed the reloading time of the 105 mm mle. F1 gun for th AMX 30 B turret from 8.9 s to 7.8 s
* Changed the aiming time of the 105 mm mle. F1 gun for th AMX 30 B turret from 2.1 s to 2 s
* Improved turret armor
* Changed penetration of the OCC-105-F1 shell for the 105 mm mle. F1 gun from 320 mm to 300 mm
* Changed penetration of the OFL-105-F1 shell for the 105 mm mle. F1 gun from 260 mm to 248 mm
AMX AC mle. 48
* Changed dispersion of the 120 mm AC SA46 gun from 0.33 m to 0.37 m
* Decreased dispersion on gun traverse of the 120 mm AC SA46 gun by 42%
* Added the magazine reloading system to the 120 mm AC SA46 gun for the AMX AC mle. 48 turret
* Changed the aiming time for the 120 mm AC SA46 gun for the AMX AC mle. 48 turret from 2.9 s to 2.7 s
* Improved hull armor
* Changed the ammo capacity for the 120 mm AC SA46 from 64 to 66 shells
AMX 50 Foch (155)
* Added the SCR 619F radio
* Added the Saurer 1000F engine
* Removed the SCR 619 radio
* Removed the Saurer engine
* Improved hull armor
* Changed the elevation angle of the 155 mm AC SA58 gun from +12 degrees to +18 degrees
* Changed the gun depression angle of the 155 mm AC SA58 gun from -5 degrees to -6 degrees
* The vehicle was transferred from the researchable to special category
* Elevation angles are increased till 10 degrees in each side
Bat.-Châtillon 25 t
* Changed the ammo capacity for the 100 mm SA47 from 30 to 42 shells
AMX 30 1er prototype
* Decreased dispersion during movement of the AMX 30 1er prototype suspension by 11%
* Decreased dispersion during movement of the AMX 30 A pré-série suspension by 12%
* Decreased dispersion on hull traverse of the AMX 30 1er prototype suspension by 11%
* Decreased dispersion on hull traverse of the AMX 30 A pré-série suspension by 12%
* Changed dispersion of the 105 mm mle. F1 gun for the AMX 30 A pré-série turret from 0.33 m to 0.37 m
* Changed dispersion of the 105 mm mle. F1 gun for the AMX 30 1er prototype turret from 0.34 m to 0.38 m
* Decreased dispersion of the 105 mm mle. F1 gun for the AMX 30 A pré-série turret by 40%
* Decreased dispersion of the 105 mm mle. F1 gun for the AMX 30 1er prototype turret by 30%
* Changed the reloading time of the 105 mm mle. F1 gun for the AMX 30 A pré-série turret from 9.9 s to 8.7 s
* Changed the reloading time of the 105 mm mle. F1 gun for the AMX 30 1er prototype turret from 10.2 s to 9 s
* Improved turret armor
* Changed penetration of the OFL-105-F1 shell for the 105 mm mle. F1 gun from 260 mm to 248 mm
* Changed penetration of the OCC-105-F1 shell for the 105 mm mle. F1 gun from 320 mm to 300 mm
AMX 50 100
* Changed the gun depression angle of the 90 mm DCA 45 gun from -6 degrees to -9 degrees
* Changed the gun depression angle of the 90 mm F3 gun from -6 degrees to -9 degrees
* Changed the gun depression angle of the 100 mm SA47 gun from -6 degrees to -9 degrees
AMX 50 Foch
* Decreased dispersion during movement of the AMX 50 Foch suspension by 9%
* Decreased dispersion during movement of the AMX 50 Foch suspension by 10%
* Decreased dispersion on hull traverse of the AMX 50 Foch suspension by 9%
* Decreased dispersion on hull traverse of the AMX 50 Foch suspension by 10%
* Changed dispersion of the 120 mm AC SA46 gun from 0.33 m to 0.35 m
* Decreased dispersion on gun traverse of the 120 mm AC SA46 gun by 30%
* Added the magazine reloading system to the 120 mm AC SA46 gun for the AMX 50 Foch turret
* Changed the aiming time for the 120 mm AC SA46 gun for the AMX 50 Foch turret from 2.3 s to 2.5 s
* Improved hull armor
* Changed the ammo capacity for the 120 mm AC SA46 from 64 to 68 shells
AMX 50 Foch B
* Added the following vehicle to replace the AMX 50 Foch (155)
GERMANY
Mäuschen
* Crossing capacity of the standard suspension is improved on all types of soils
Maus
* Changed reloading time of the 12,8 cm Kw.K. 44 L/55 gun from 12 s to 13.3 s
* Changed vehicle durability from 3,200 to 3,000
8,8 cm Pak 43 Jagdtiger
* Decreased dispersion during movement of the Jagdtiger 8,8 suspension by 6%
* Decreased dispersion on hull traverse of the Jagdtiger 8,8 suspension by 6%
* Changed the traverse speed of the Jagdtiger 8,8 suspension from 22 to 26
USA
M46 Patton
* Improved turret armor
M48A1 Patton
* Removed 90 mm Gun M41
* Removed 105 mm Gun T5E1M2
* Removed the AP M77 shell
* Removed the HE M71 shell
* Removed the HVAP M304 shell
* Removed the AP T32M2 shell
* Removed the APCR T29E3M2 shell
* Removed the HE M11A2 shell
* Improved turret armor
JAPAN
O-I Experimental
* Removed the 10 cm Cannon Type 14 gun
* Removed the APHE Type 95 shell
* Removed the APHE Type 95 Toku Kou shell
* Removed the HE Type 14 shell
* Changed the turret traverse speed of the O-I Experimental turret from 22 deg/s to 20 deg/s
Increased armoring of the hull and turret
* Changed the top speed from 40 km/h to 25 km/h
O-I
* Decreased thickness of the hull and turret armor
O-Ho
* Added the AP Experimental Type 2 Toku Otsu shell
Type 4 Heavy
* Changed the traverse speed of the Type 4 Heavy suspension from 20 to 15
* Changed the traverse speed of the Type 4 Heavy Kai suspension from 22 to 17
* Changed the turret traverse speed of the Type 4 Heavy turret from 18 deg/s to 17 deg/s
Type 5 Heavy
* Changed the traverse speed of the Type 5 Heavy suspension from 22 to 17
* Changed the turret traverse speed of the Type 5 Heavy turret from 20 deg/s to 18 deg/s
* Decreased thickness of the hull armor