ST vz. 39

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ST vz 39
Type	Medium tank
Place of origin	Czechoslovakia
Production history
Designer	ČKD
Manufacturer	ČKD
Produced	1937—40
No. built	2 prototypes
Specifications
Mass	16.20 t (15.94 long tons; 17.86 short tons)
Length	5.35 m (17 ft 7 in)
Width	2.27 m (7 ft 5 in)
Height	2.34 m (7 ft 8 in) overall
Crew	4
Armor	12–32 mm
Main armament	1x Škoda 47 mm A11
Secondary armament	2x 7.92 mm ZB-53 machine gun
Engine	Praga water-cooled 8-cylinder gasoline engine 192.2 kW (257.7 hp)
Power/weight	15 hp (11.8 kW) / tonne
Transmission	4 speed
Suspension	leaf spring
Fuel capacity	260 l
Operational range	150 km (93 mi)
Maximum speed	43.5 km/h (27.0 mph)

ST vz. 39, also known by its factory designation V-8-H, was a Czechoslovak medium tank developed by ČKD in the late 1930s. Only two prototypes were ever built.