KV-13

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KV-13
KV-13
Type	Medium tank
Place of origin	Soviet Union
Service history
Used by	Soviet Union
Production history
Designer	SKB-2
Designed	1941–1942
Manufacturer	Chelyabinsk Kirov Plant
Produced	1942
No. built	3
Specifications ([1])
Mass	32 metric tons
Length	6.65 m (21 ft 10 in) with gun forward
Width	2.8 m (9 ft 2 in)
Height	2.5 m (8 ft 2 in)
Crew	4
Armor	120 mm maximum
Main armament	76 mm M1941 ZiS-5 gun
Secondary armament	1 × 7.62-mm DT-29 machine gun
Engine	Kharkiv V-2 V12, liquid-cooled diesel engine 600 hp (450 kW)
Power/weight	18.8 hp/t (14.0 kW/t)
Suspension	Torsion bar suspension
Ground clearance	450 mm (18 in)
Operational range	320 km (200 miles)
Maximum speed	65 km/h (40 mph)

The KV-13 (Russian: KB-13) was an experimental Soviet medium tank created during World War II.^[1][2] It was developed on the KV-1 chassis in the SKB-2 design bureau of the Chelyabinsk Kirov Plant in late 1941 – early 1942, as a "universal" tank, intended to replace the production of T-34 medium tanks and KV-1 heavy tanks at the same time.^[3]

The first prototype of the KV-13 was made in the spring of 1942, but in the fall of that year tests showed a lack of mechanical reliability and demonstrated the need to strengthen the vehicle's armour and to equip it with the new three-seat turret.^[1][2] While production of two modified prototypes incorporating these modifications began in December 1942, work on the KV-13 as a medium tank was discontinued in favour of continuing the production of the T-34. The further development of the project using two modified KV-13 prototypes led to the creation in 1943 of the IS-1 heavy tank.^[3][4] This tank was never used in combat.