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Tatra T-III (T-78)
Tatra T-III (T-78)
Place of origin	Czechoslovakia
Production history
Manufacturer	Tatra (company)
Produced	1936
No. built	2
Specifications
Mass	36,156 lb
Length	19 ft
length	123 mm (4.8 in)
Width	8.5 ft
Crew	4
Main; armament	Škoda 47mm A9a
Secondary; armament	2xZB-53 machine guns
Engine	11 cyl., water cooled, gasoline, 18.030 ccm; 276.1 bhp at 2,000 rpm
Ground clearance	39 in
Operational; range	62 mi (road)
Maximum speed	22 mph (road)
References	https://www.armedconflicts.com/CZK-Tatra-T-III-t19490

The Tatra T-III (T-78) consists of two prototype medium tanks produced by Tatra, produced in 1936, designed to compete against the Skoda S-III as part of the Category III initiative for a tank with up to 37 mm thick armor.^[1]^[2]

Background

The Ministry of Defense tasked Tatra to create two prototypes tanks on 18 November 1932. While Tatra had experience building automobiles, they had no experience building armored vehicles or tanks. Armament and turrets were to be provided by Škoda Works, though only one turret was created.^[3] Various technical issues and multiple requirement changes, including communication issues with Skoda and hull changes, meant that the T-III and S-III wound up facing each other in trials, despite Tatra having a head start. Trials began on 22 February 1937 with the T-III/I (no turret, heavy tracks) and (turret and light tracks installed). Mechanical defects and breakdowns were abundant between the pair, which caused Captain Karel Dvořák to state that they were not combat worthy under any circumstances and needed a total rework. Despite this, continued development (and continued breakdowns) was carried on until spring 1938, when Tatra asked the Ministry of Defense if they could discontinue development and scrap what remained of the hulls, for which they were paid 1,600,000 Czechoslovak koruna. The prototypes were transferred to the Vyškov Attack Vehicle Training Center for training purposes on 21 November 1938. One hull was used for educational purposes while the other was used for target practice, though one was supposedly analyzed by the Wehrmacht.^[3]^[4]