Some possible changes.
Unit 7 T-54A of the russian OOB could be imported
Availability dates 1/1958-12/1973
Earlier version than the B were supplied going by photographic evidence.
Unit 13 T-34/85
Initial availability date changed to 1/1956
HE could be increased and AP reduced.
Shipment of some arms may have taken place even earlier but it seems that 1956 was when things got serious. Source “Soviet Foreign Policy After Stalin” by David Ûlʹevič Dalin.
Unit 19-20 T-55
1)FC increased to 7
2)SGMB in slot 2 replaced by weapon n. 64 7.62mm PKT CMG
3)Final availability date of unit 20 extended to 12/2010
4)Speed reduced to 17.
Unit 21 T-55A
1)FC increased to 10
2)Range finder increased to 22
3)SGMB in slot 2 replaced by weapon n. 64 7.62mm PKT CMG
4)AP round decreased to 6. HE increased to 25
5)Name could be changed to T-55A +
A number of T-55 have been upgraded with north korean made laser range finders
Unit 23 T-55AMV
Armor might be reduced to values similar to that of unit 16 T-55AMV in the russian OOB
They are fitted with light, rather than heavy ERA.AP rounds could be deleted and HE increased to 17.
Unit 38 T-72M1S
1)FC increased to 40
2)Stabilizer increased to 4 or 5
3)Night vision increased to 40
4)Main gun changed to weapon n. 102 125mm D81T 86
5)Sabot increased to 14
6)Speed reduced to 20
Availability date 1/2003-12/2020
Unit 40 T-72AV
1)Hull front armor increased to 40/49 (KE/HEAT) , turret front KE armor increased to 43
2)Speed reduced to 20
3)FC reduced to 20
4)Weapon n. 172 9M119 Refleks deleted, HE rounds increased to 20
Some T-72s got Italian TURMS fire control system and supposedly Reflecks, others light ERA. Interestingly as far it can be seen it has been as an either or affair, the pictures I posted are just sample but it appears to be norm.
Units 32-618 T-72A
It could be deleted. Syria got the usua T-72/M/M1 as far it can be told.