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Poland's TK and TKS tankettes

Design

The TK.1 was designed from a British Vickers Carden-Loyd Mark VI tankette. This lead to the TK.2 and the heavier TK.3.

TK / TK.3

Had an enclosed superstructure. Had heavier armor than the TK.1 and TK.2. 7.92 mm MG was mounted in the right front of the hull.

A four wheeled trailer was built that the TK.3 would tow across country, and then once reached a road it would climb onto the trailer and then by removing the tracks it could then be driven.

Prototype

TK.1 built in 1929.

Production

  • TK, TK.3: 300
    • Manufacturer: PZI Institute
    • Production: 1931 - 1932
  • TKS: 250 - 270, 390
    • Production: 1934 -

Variants

  • TK.1: Prototype built in 1929.
  • TK.2: Prototype.
  • TK (TK-3): Was licenced from Carden-Loyd in Britain. Had same engine as Ford Model A car.
  • TKS: Had Polish built Fiat engine installed.7.92 mm MG was mounted in the right front of the hull. Had a periscope and a sightning telescope. The suspension was also strengthened. Tracks were wider.
  • TK/TKS 20 mm FK: 20 were converted to carry 20 mm FK gun.
  • TKF: Had Polski-Fiat engine. Two machine guns with one capable of firing at aircraft.
  • TKS-D: Had a 37 mm Bofors anti-tank gun mounted. Only in early prototype stagaes when war broke out.
  • TKW: Fully rotating turret was installed. Only a few prototypes built.

Usage

One company of tanks was attached to each infantry division and horse cavalry brigade.

On September 19, 1939, Sergeant Roman Orlik knocked out 7 German PzKpfw 35(t)s with his TK S with 20 mm gun.

Yugoslavia Demo

A TK.3 was demonstrated as a competitor to the Czechoslovakian Skoda S-I. No order was placed.

Specifications

  TK.2
Crew 2
Physical Characteristics  
Weight  
Length 7' 9"
Height 3' 5"
Width  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 7.92 mm MG
Secondary  
MG  
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 3 - 7
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Ford Model A
Cylinders 4
Cooling Air
Net HP 40
Transmission  
Fuel type  
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 31 mph
Speed - Cross Country  
Range - Road  
Range - Cross Country  
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  Maly czolg rozpoznawczy,
TK, TK.3, TK-3
(small reconnaissance tank)
Crew Commander, driver
2
Physical Characteristics  
Weight 5,300 lb
2,500 kg
2.39 tons, 2.4 tons, 2.46 tons
Length 8' 5", 8' 5.5", 8' 6"
2.58 m, 2.65 m
Height 4' 4"
1.32 m, 1.35 m
Width 5' 10"
1.78 m
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 7.92 mm MG
1: 7.92 mm Hotchkiss wz.25 MG
7.92 mm MG
OR 20 mm
Secondary  
MG  
Side arms  
Quantity  
Main 1,800
Secondary  
MG  
Side arms  
Armor Thickness (mm) 4 - 8
3 - 8
8
Hull Front, Upper 8
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom 3
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Ford Model A, Ford A
Cylinders 4
Cooling Air
Net HP 40, 40@2,300 rpm
Transmission  
Fuel type Gasoline
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 28 mph, 28.58 mph, 28.6 mph, 30 mph
45 kph, 46 kph
Speed - Cross Country  
Range - Road 124 miles, 124.3 miles, 125 miles
200 km
Range - Cross Country  
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  Maly czolg rozpoznawczy, TKS (small reconnaissance tank)
Crew Commander, driver
2
Physical Characteristics  
Weight 5,730 lb
2,600 kg
2.56 tons, 2.6 tons
Length 8' 5", 8' 6"
2.58 m, 2.67 m
Height 4' 4", 4' 4.5", 4' 5"
1.32 m, 1.36 m
Width 5' 9.5", 5' 10"
1.78 m
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 7.92 mm MG
7.92 mm Hotchkiss wz.25 MG
7.92 mm MG
Late models: 20 mm FK
OR 20 mm
Secondary  
MG  
Side arms  
Quantity  
Main 2,000
Secondary  
MG  
Side arms  
Armor Thickness (mm) 3 - 10
10
Hull Front, Upper 10
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom 3
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Polski Fiat, Fiat, Polski FIAT-122BC
Cylinders 4, 6
Cooling Air
Net HP 40
Transmission  
Fuel type Gasoline
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 24.9 mph, 25 mph
40 kph
Speed - Cross Country  
Range - Road 112 miles, 125 miles
180 km, 200 km
Range - Cross Country  
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  TKF
Crew 2
Physical Characteristics  
Weight 2.6 tons
Length  
Height  
Width  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 9 mm MG AND 7.92 mm MG
Secondary  
MG  
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Fiat
Cylinders 4
Cooling  
Net HP 46
Transmission  
Fuel type  
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 26.1 mph
Speed - Cross Country  
Range - Road  
Range - Cross Country  
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  

Sources:

  1. 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
  2. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  3. -
  4. Tanks of World War II, Duncan Crow, 1979
  5. Western Allied Tanks 1939-45, David Porter, 2009
20th Century American Military History Crucial Site