The "T" in Russian tank designations stands for "tank" (танк). Other letters used in Russian tank designations include:
- A: Armoured car (бронеавтомобиль)
- B: Infantry fighting vehicle (боевая машина пехоты)
- BMP: Armoured infantry fighting vehicle (боевая машина пехоты)
- ASU: Self-propelled artillery unit (самоходная артиллерийская установка)
- SU: Self-propelled gun (самоходное орудие)
- SPG: Self-propelled gun (самоходная пушка)
- ZSU: Anti-aircraft self-propelled gun (зенитная самоходная установка)
