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Soviet Union's T-26C, T-26S, T-26 Model 1937 light tank

Design

Due to experiences in Spain, China, and Finland designers upgraded the T-26 to extend its life in service.1

The amount of fuel carried was increased to give better range.1

A few T-26S' received searchlights for use at night.1

Armor

The front hull armor was increased and the turret had thicker and more sloping armor.1 After experience against the Japanese welded contruction replaced the riveted construction of the earlier models.6

Variants

  • T-26-S (Model 1937), T-26C, T-26E: First appeared in 1937.8 Had armor increased to 25 mm. New semi-conical turret was fitted. Construction was welded.6,8 Had 45 mm and 2 machine guns. Weight went up to 10.3 tons. Radios were also installed. Some T-26B-2 were upgraded with the new turret.7
  • OT-1331: Flamethrower version of T-26-S.1,2 It carried a 1939 model flamethrower.2 It weighed 9.5 tons and carried 400 liters of oil and 4 bottles of compressed air.2 Fuel was stored in the turret.2 Against Finland many of them had armor added to the upper hull and turret.2

Specifications

  T-26 C
Crew 34
Physical Characteristics  
Weight 9.6 tons4
Length 4.5 m4
Height 2.65 m4
Width 2.45 m4
Ground clearance 0.37 m4
Ground contact length  
Ground pressure 0.66 (kg/cm2)4
Turret ring diameter  
Armament  
Main 45 mm6
45 mm L/464
Secondary  
MG 2: MGs4
Side arms  
Quantity  
Main 1694
Secondary  
MG 2,4054
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 164
Hull Front, Lower  
Hull Sides, Upper 164
Hull Sides, Lower  
Hull Rear 164
Hull Top 7-114
Hull Bottom 104
Turret Front 164
Turret Sides 164
Turret Rear 164
Turret Top 104
Engine (Make / Model) Air Cooled4
Bore / stroke  
Cylinders 44
Net HP 91@2,100 rpm4
Power to weight ratio  
Transmission 5 forward4, 1 reverse4
Fuel type Gasoline4
Octane  
Capacity 285 liters4
Performance  
Traverse  
Speed - Road 27.3 kph4
Speed - Cross Country  
Range - Road 345 km4
Range - Cross Country 175 km4
Turning Radius 6.6 m4
Elevation Limits  
Fording depth 0.76 m4
Trench crossing  
Vertical Obstacle  
Climbing ability  
Suspension (Type) Leaf Springs4
Wheels each side 84
Return rollers each side  
Track length  
Tires  
Track width 260 mm4
Track centers/tread  
  T-26 1937
Crew

32

Physical Characteristics  
Weight 10.3 tons1,2, 10,465 kg1
Length 15' 9"1
4.62 m2, 4.8 m1
Height 7.65', 7' 8"1
2.33-2.41 m2 , 2.33 m1
Width

7' 10"1
2.44 m2 , 2.39 m1

Ground clearance 0.38 m2
Ground contact length  
Ground pressure 0.65 kg/(cm2)2
Turret ring diameter  
Armament  
Main 45 mm 19342, 45 mm1
Secondary  
MG 1 - 3: 7.62 mm DT MG2
2: 7.62 mm1
Side arms  
Quantity  
Main 1652
Secondary  
MG 3,6542
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 152
Hull Front, Lower 152
Hull Sides, Upper 152
Hull Sides, Lower 152
Hull Rear 152
Hull Top 102
Hull Bottom 62
Turret Front 152
Turret Sides 152
Turret Rear 152
Turret Top 102
Engine (Make / Model) GAZ T-262,3
Bore / stroke 4 stroke2
Cylinders 42
Net HP 91@2,200 rpm2
Power to weight ratio 8.7 HP/ton2
Transmission 5 forward, 1 reverse
Fuel type Gasoline2
Octane  
Capacity 292 liters2
Performance  
Traverse 360°
Speed - Road

30 kph2, 28 kph1

Speed - Cross Country 12.4 mph
Range - Road 150-225 km2 , 200 km1
Range - Cross Country  
Turning Radius  
Elevation Limits  
Fording depth 0.9 m2
Trench crossing 1.8 m2
Vertical Obstacle 0.75 m2
Climbing ability 32°2
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  T-26 S
Crew

33,7

Physical Characteristics  
Weight 10.3 tons3,5,7
10,460 kg3
Length 15' 4"7, 15' 9"3
4.8m3
Height 7' 10"3 , 7.65'5,7
2.39 m3
Width

7' 8"3, 8'7
2.33 m3

Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 45 mm Model 1938 L/463
45 mm5,6
45 mm L/46 A/TK7
Secondary  
MG 2: 7.62 mm DT MG3
2: MG5,7
Side arms  
Quantity  
Main 1657
Secondary  
MG 3,6547
Side arms  
Armor Thickness (mm) 10 - 253,5
Hull Front, Upper 257
Hull Front, Lower  
Hull Sides, Upper 167
Hull Sides, Lower  
Hull Rear  
Hull Top 107
Hull Bottom 107
Turret Front 10 - 257
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) GAZ T-267
Bore / stroke  
Cylinders 87
Net HP 88 - 917
Power to weight ratio  
Transmission  
Fuel type Gasoline7
Octane  
Capacity  
Performance  
Traverse 360°
Speed - Road

17 mph7, 17.4 mph3
28 kph3

Speed - Cross Country 12.4 mph
Range - Road 124 miles3, 215 miles7
200 km3
Range - Cross Country 109 miles7
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Climbing ability  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  

Sources:

  1. Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
  2. Russian Tanks and Armored Vehicles 1917-1945, by Wolfgang Fleischer, 1999
  3. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  4. Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1933-1942, Thomas L. Jentz, 1996
  5. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  6. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  7. Airfix Magazine Guide 22 Russian Tanks of World War 2, John Milsom and Steve Zaloga, 1977
  8. Tanks of World War II, Duncan Crow, 1979
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