29K
Type	Self-propelled anti-aircraft weapon
Place of origin	Soviet Union
Service history
In service	1936–1941
Used by	Soviet Union
Wars	Second World War
Production history
Designer	Design Bureau (KB) Plant No. 8 [ru]
Designed	1935
Manufacturer	Yaroslavl Motor Plant
Produced	1935–1937
No. built	40 (according to other sources: 61 units)
Specifications
Mass	10.55 t
Length	7630 mm
Width	2470 mm
Crew	5
Elevation	−30° to +85° (other sources state −3° to 82°)
Traverse	360°
Main armament	76 mm air defense gun M1931, 48 rounds
Engine	Herkules YXC 93.5 hp
Operational range	270 km
Maximum speed	40 km/h

The 29K was a self-propelled anti-aircraft weapon used by the Soviet Union, consisting of a 76 mm air defense gun M1931 mounted on a YaG-10 truck.^[1]

History

In 1934, the Design Bureau (KB) Plant No. 8 [ru], named after Mikhail Kalinin, received an order to install 76 mm air defense gun M1931 on the chassis of the three-axle YaG-10 truck. Production completed by the Yaroslavl Automobile Plant, due to their experience with creating the SU-8 [ru]. In August–September 1936, tests were carried out at the NIAP test site. The first vehicles entered service with Moscow Military District. ZSU 29-K^[2] took part in the parade on Red Square in Moscow. The first display of motorized anti-aircraft guns took place at a military parade in Moscow on 1 May 1934.^[3] Overall, sixty-one YaG-10 trucks were converted into 29K models. Modifications to the trucks included a reinforced undercarriage, rotating pedestal for the gun, and side boards replaced with semi-circular shields.^[4]

Specifications

• Firing range = 14,600 m
• Muzzle velocity = 815 m/s
• Rate of fire = 10–20 rounds per minute
• Aiming Device = Telescopic sight
• Obstacle crossing capability = 20° slope
• Wade depth = 0.65 m
• Wheel configuration = 6×4