Military Wiki
SMK, August 1939.jpg
The Soviet SMK heavy tank
Type Heavy tank
Place of origin  Soviet Union
Service history
In service 1939 (prototype)
Used by Soviet Union
Wars Winter War
Production history
Manufacturer Kirov Plant
Produced 1939
Number built 1
Weight 55 t (54 long tons)
Length 8.75 m (28 ft 8 in)
Width 3.36 m (11 ft 0 in)
Height 3.35 m (11 ft 0 in)
Crew 7

Armor 20-60 mm
45 mm gun M1932 (forward turret), 76.2 mm gun L-11 (main, or rear-most turret)
3×7.62 mm DT MG
Engine GAM-34BT
850 hp
Power/weight 15.5 hp/t
Suspension torsion bar
Ground clearance 0.5 m (1 ft 8 in)
Fuel capacity 1,320 l
220 km (140 mi)
Speed 35 km/h (22 mph)

SMK (named after Sergei Mironovich Kirov - the recently assassinated party official) was an armored vehicle prototype developed by the Soviet Union prior to the Second World War. The SMK was mistakenly known to German intelligence as the T-35C.[1]

Only one was built and after a poor showing against other designs and brief use in the war with Finland, the project was dropped.

Design and development

The SMK was among the designs competing to replace the unreliable and expensive T-35 multi-turreted heavy tank. A design team under Kotin at the Kirovski Works (formerly the Putilov Works) at Leningrad designed the tank. Competition came from the former OKMO designer N. Barykov at the Bolshevik Plant.

In spite of the lessons that could have been learned during the Spanish Civil War, the specification drawn up for the "Anti-Tank Gun Destroyer" in 1937 required the ability to withstand 45 mm anti-tank guns at point-blank range and 75 mm artillery fire at 1,200 m (1,300 yd).[2] Meetings in 1938 reduced the number of turrets in the specification and a move to torsion bar from spring suspension. Kotin and his assistant independently designed a single-turret version of the SMK which received Stalin's approval and the name KV. Production of two prototypes was ordered.

The SMK's armament was a short 76.2 mm gun in the upper centrally placed turret and a 45 mm weapon in the forward turret.

Service history

The SMK, the two KV-1 prototypes and the two T-100 prototypes were put through proving trials before being tested operationally in combat during the Winter War against Finland. The vehicles formed a company of the 91st Tank Battalion of the 20th Heavy Tank Brigade. The unit was under the command of the son of the Defence Commissar. After being immobilized by a mine, the SMK had to be abandoned and was not recovered for 2 months.

The KV design proved superior in both trials in Finland and was accepted.


Location Front Side Rear Top/bottom
Hull 60 mm at a 45° angle(nose)

40 mm at a 15° angle(glacis)

60 mm at a 55° angle(driver)

60 mm at a 75-90° angle 60 mm round(lower)

60 mm at a 60° angle

20 mm at a 15° angle(engine)

20–30 mm flat(bottom)

20 mm flat(top)

Upper Turret 60 mm at a 75° angle and round 60 mm at a 75° angle 60 mm at a 80° angle 20 mm at a 0-15° angle
Lower Turret 60 mm at a 75° angle and round 60 mm at a 75° angle 60 mm at a 80° angle 20 mm flat to a 15° angle

See also


  1. SMK Heavy Tank
  2. Zaloga p6

External links

This page uses Creative Commons Licensed content from Wikipedia (view authors).