Latvian medium tanks with automatic cannon:
Tier VIII: Vj.T–KZ61
Tier IX: Vj.T–KZ68
Tier X: Vj.T–KZ70
Lithuanian medium flamethrower tanks with reserve tracks:
Tier VIII: ŽT-53L
Tier IX: ŽT-58L
Tier X: ŽT-62L
Estonian medium tanks with improved automatic charging system:
Tier VIII: ŠKMT-712B
Tier IX: ŠKMT-718G
Tier X: ŠKMT-720Ä