BTS-1 (Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – T-54A converted into an ARV equipped with a stowage basket.

BTS-1M – Improved or remanufactured BTS-1.

BTS-2 (Ob'yekt 9) (Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – BTS-1 fitted with a hoist and a small folding crane with a capacity of 3 tonnes.
It was developed on the T-54 hull in 1951; series production started in 1955.
The prototype Ob'yekt 9 had a commander's cupola fitted with a DShK 1938/46 heavy machine gun, but the production model has a square commander's hatch, opening to the right.
It has a combat weight of 32 tonnes.
Only a very small number remains in service.

BTS-4(Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – ARV similar to the BTS-2 but equipped with a snorkel.
In the West it is known as T-54T. There are many different models, based on the T-44, T-54, T-55 and T-62.

BTS-3 (Bronetankoviy TyagachSredniy – Medium Armoured Tractor) – JVBT-55A in service with the Soviet Army.

BTS-4B – T-54-1s and T-54-2s converted into an armoured recovery vehicle equipped with a dozer blade.

BTS-4BM – Experimental version of the BTS-4B with the capacity to winch over the front of the vehicle.
BTS-1 (Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – T-54A converted into an ARV equipped with a stowage basket.
BTS-1M – Improved or remanufactured BTS-1.
BTS-2 (Ob'yekt 9) (Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – BTS-1 fitted with a hoist and a small folding crane with a capacity of 3 tonnes. It was developed on the T-54 hull in 1951; series production started in 1955. The prototype Ob'yekt 9 had a commander's cupola fitted with a DShK 1938/46 heavy machine gun, but the production model has a square commander's hatch, opening to the right. It has a combat weight of 32 tonnes. Only a very small number remains in service.
BTS-4(Bronetankoviy Tyagach Sredniy – Medium Armoured Tractor) – ARV similar to the BTS-2 but equipped with a snorkel. In the West it is known as T-54T. There are many different models, based on the T-44, T-54, T-55 and T-62.
BTS-3 (Bronetankoviy TyagachSredniy – Medium Armoured Tractor) – JVBT-55A in service with the Soviet Army.
BTS-4B – T-54-1s and T-54-2s converted into an armoured recovery vehicle equipped with a dozer blade.
BTS-4BM – Experimental version of the BTS-4B with the capacity to winch over the front of the vehicle.
T-54/T-55 operators and variants