4TP, otherwise known as PZInż 140, was a Polish
light tank
A light tank is a tank variant initially designed for rapid movements in and out of combat, to outmaneuver heavier tanks. It is smaller in size with thinner armor and a less powerful main gun, tailored for better tactical mobility and ease of ...
prototype. It was designed by 16 December 1936 by
Edward Habich
Edward Jan Habich ( es, Eduardo de Habich) (31 January 1835, Warsaw – 31 October 1909, Lima, Peru) was a Polish engineer and mathematician. In 1876, he founded the National University of Engineering ( es, Universidad Nacional de Ingenierí ...
of the
Państwowe Zakłady Inżynieryjne works. A light reconnaissance tank, it was to become a heavier replacement for
TK-3 TK-3 may refer to:
*TK-3 (tankette), a Polish military vehicle of the Second World War
* Teradako-ken TK-3, a Japanese transport plane of the Second World War
*TK-3 (missile) or Sky Bow III, a 2010s Taiwanese anti-aircraft system
See also
*VR Clas ...
and
TKS
The TK (TK-3) and TKS were Polish tankettes developed during the 1930s and used in the Second World War.
Design and development
The TK (also known as the TK-3) tankette was a Polish design produced from 1931 based on the chassis of the British C ...
tankettes in Polish service. In addition to light, manoeuvrable chassis, the tank was to feature a turret with one
20 mm nkm wz. 38 FK autocannon and one
Ckm wz. 30
Ckm wz. 30 (short for ''ciężki karabin maszynowy wz. 30''; "heavy machine gun 1930 Pattern") is a Polish-made clone of the American Browning M1917 heavy machine gun. Produced with various modifications such as greater caliber, longer barrel and ...
machine gun.
Only a single prototype was built. Extensively tested by the army, it proved a reliable vehicle. However, the army decided that by the time serial production could start, the design would already be outdated, and no serial production followed.
References
Light tanks of the interwar period
Light tanks of Poland
Military vehicles introduced in the 1930s
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