This is a list of the Mechanized Corps at the start of the war in the East.

1st  Mechanized Corps

2nd  Mechanized Corps

3rd  Mechanized Corps

4th  Mechanized Corps

5th  Mechanized Corps

6th  Mechanized Corps

7th  Mechanized Corps

8th  Mechanized Corps

9th  Mechanized Corps

10th  Mechanized Corps

11th  Mechanized Corps

12th  Mechanized Corps

13th  Mechanized Corps

14th  Mechanized Corps

15th  Mechanized Corps

16th Mechanized Corps

18th Mechanized Corps

19th  Mechanized Corps

20th  Mechanized Corps

21st  Mechanized Corps

22nd  Mechanized Corps


PRIMARY SOURCES:

Soviet Tanks and Combat Vehicles of WWII by Steven Zaloga

The Road to Stalingrad: Stalin's War with Germany Vol. 1 by John Erickson

Russian Armour 1941 - 1943 by Eric Grove

The Red Army of The Great Patriotic War 1941-5 by Steven J. Zaloga and Ron Volstad

Red Army Handbook 1939 - 1945 by Steven J. Zaloga and Leland S. Ness

Stumbling Colossus: The Red Army on the Eve of World War by David M. Glantz

Operation Barbarossa: Strategy and Tactics on the Eastern Front, 1941 by Bryan I. Fugate

Operation Barbarossa: Army Group South (1) by Robert Kirchubel

Operation Barbarossa: Army Group North (2) by Robert Kirchubel

Operation Barbarossa: Army Group Center (3) by Robert Kirchubel

Army Group North: The Wehrmacht in Russia 1941-1945 by Werner Haupt

Army Group Center: The Wehrmacht in Russia 1941-1945 by Werner Haupt

Army Group South: The Wehrmacht in Russia 1941-1945 by Werner Haupt