Starting in 1970 T-55s were being armed at Uralwagonzavod with either a 12.7 mm DShK 1938/46 or KPVT loader's anti-aircraft heavy machine guns.
KTD-1 or KTD-2 laser rangefinders and R-123 or R-123M radio sets were fitted to older tanks starting in 1974 (Model 1974).
[145][149] At the same time efforts were made to modernize and prolong the life of the drive train.
SU-122-54 (Ob'yekt 600) (Samokhodnaya Ustanovka) – Self-propelled 122 mm gun, based on the T-54A and sometimes known as IT-122.
The SU-122-54 had a modified chassis, with small spaces between the first, second and fourth pair of wheels and a large gap between the third, similar to the T-62's; and a superstructure, built into the hull, housing the 122 mm D-49 L/48.4 gun for which the vehicle carries 35 rounds.
Map with T-54/T-55 operators
Current
Former
T-54-1 in Verkhnyaya Pyshma war museum in Russia.
T-54-2 in Museum of National Military History in Russia.