BA-21
A BA-21 at the Kubinka Tank Museum.
Type	Armored car
Place of origin	Soviet Union
Specifications ([1])
Mass	3.25 t (3.58 short tons)
Length	4.55 m (14 ft 11 in)
Width	1.78 m (5 ft 10 in)
Height	2.16 m (7 ft 1 in)
Crew	2 (commander, driver)
Armor	11 mm (0.43 in)
Main armament	7.62 mm (0.300 in) DT machine gun
Engine	GAZ M1 water-cooled four-cylinder
Maximum speed	33 mph (53 km/h)

The BA-21 was an experimental Soviet armored car from 1938. It was a major modification of the BA-20, using a triaxial truck chassis instead of biaxial. The next year, the design was further developed into the LB-23, which had a better engine. Both vehicles were not accepted for production.^[2]

The BA-21 had a weight of 3.25 t (3.58 short tons), while having a length of 4.55 m (14 ft 11 in), a width of 1.78 m (5 ft 10 in), and a height of 2.16 m (7 ft 1 in). It was powered by a GAZ M1 water-cooled four-cylinder engine with a speed of 33 mph (53 km/h). It had 11 mm (0.43 in) of armor, with a 7.62 in (0.3 in) DT machine gun. The vehicle was manned by a crew of two, consisting of a commander and a driver.^[1]

The BA-21 was designed in 1938, as a major modification of the BA-20. It used a triaxial truck chassis, instead of a biaxial truck chassis. In 1939, the BA-21 was developed further into the LB-23, which had a better engine than the original design. Both of the vehicles were not accepted for production.^[2]

• United States Air Force (1978). Soviet Military Thought. Washington, D.C.: Government Printing Office. OCLC 2901669.

• "BA-21". www.wwiivehicles.org. 2015. Retrieved 13 June 2015.