M-55S - The Upgraded T-55 Sent to Ukraine

Having been in service since 1947 with over 50 state and non-state actors, the T-54/55 is the most widely produced and used tank in the world. Naturally

M-55S - The Upgraded T-55 Sent to Ukraine

Russia Sent 70-Year-old T-55 Tanks To Ukraine Without Even Upgrading Them

Is Russia really using outdated weapons like T-62M/T-55M tanks with older rounds like 3BM6? It's also claimed that they are using T-55/54 though that seems quite silly. - Quora

Yes, Russia Is Using Ancient Tanks in Combat in Ukraine. But Not

T-54/T-55 - Wikipedia

T-55

T-55 - Wikipedia

Ukraine And Russia Are Both Deploying Old T-55 Tanks. Ukraine's Are Much Better.

Ukraine's Super-Upgraded M-55S Tanks Are Urban Demolition Vehicles

Russia's T-14 Armata - A super tank or lost investment?

What are some T-55 tank upgrades? - Quora

A Bunch Of Brigades Have Taken Turns With Ukraine's Hybrid M-55S Tanks. Now They're The South With The Territorials, Shooting Like Howitzers. - Ukraine Today .org