Later I hope to give structure of this Mechanised Corps. Now only brief info is available here
NOTE: On July 7 the 44th Tank Division organic to the 18th Mechanised Corps prior to the war was transferred to the 16th Mechanised Corps. The 39th Tank Division was transferred in exchange from the 16th Mechanised Corps
Strength of the 16th Mechanised Corps on June 22'41 [1]
T-28
BT
T-26
Fl.
Total
15th TD
75
347
39th TD
196
13
209
240th MD
112
Corps total
75
360
214
31*
680
* - AMVAS: according to [6] there were 32 flame throwers based on T-26 chassis.
Strength of the 16th Mechanised Corps on July 15, 1941 [6]
Unit
Manpower
Tanks
Guns
Auto Transport
15th TD
2066
87
35
162
44th TD**
4826
28
32
107
44th TD*
1797
125
20
139
240th MD
9847
13
41
381
* - The 87 & 88 Tank Regiments
** - Probably errata because of bad state of my copy of the [6] book and must be 41st TD/22nd Mech Corps
Strength of the 16th Mechanised Corps on July 17, 1941 [2]
Fighting Vehicles (AMVAS: - tanks) - 73
Armored cars - 16
Wheeled vehicles: 903
Passenger cars: 29
GAZ trucks: 620
ZIS trucks: 204
tractors: 50
Strength of the 16th Mechanised Corps on July 27, 1941 [3]
T-28
BA-10
BA-20
5
11
1
Rem. AMVAS: The 16th Mechanised Corps was highly dispersed. So, these data are incomplete.
Strength of the 16th Mechanised Corps on Aug. 1, 1941 [4]
Medium tanks
BT+T-26
Armored cars
51
29
26
Abbreviations
HQ - Headquarters
Fl. - Flame thrower
MD - Motorised Division
TD - Tank Division
Literature
E. Drig, "Mekhanizirovannye korpusa RKKA v boyu", AST, Moscow, 2005
Spravka Nachal'nika Avtobronetankovogo upravleniya Yugo-Zapadnogo fronta Komanduyushchimi Vojskami fronta o sostoyanii Avtobronetankovykh vojsk na 17 Iyulia 1941 goda.//Sbornik boyevykh dokumentov vol. 36, Moscow, Voyennoye Izdatelstvo Ministerstva Oborony, 1958
Doneseniye Pomoshchnika Komanduyushchimi Vojskami Yuzhnogo Fronta po Avtobronetankovym vojskam ot 31 Iyulia 1941g. o nalichii materialnoy chasti na 30 Iyulia 1941 goda//Sbornik boyevykh dokumentov vol. 39, Moscow, Voyennoye Izdatelstvo Ministerstva Oborony, 1959
Doneseniye Shtaba Yuzhnogo fronta ot 7 Avgusta 1941 g., Nachalniku Operativnogo Upravleniya Generalnogo Shtaba o Sootnoshenii Sil Storon v Polose Yuzhnogo Fronta na 1 Avgusta 1941 goda.//Sbornik boyevykh dokumentov vol. 39, Moscow, Voyennoye Izdatelstvo Ministerstva Oborony, 1959
Svedeniya o Boyevom Sostave Artillerii Yuzhnogo Fronta na 28 Iyulia.//Sbornik boyevykh dokumentov vol. 39, Moscow, Voyennoye Izdatelstvo Ministerstva Oborony, 1959
"Nalichiye khimicheskikh tankov v mekhanizirovannykh korpusakh po sostoyaniyu na 22 iyunia 1941 goda",Doklad nachalnika 1-go otdela GABTU Krasnoy Armii Inzhenera 1-go ranga Yukina, (cited from M. Kolomiets, M.Svirin, "T-26: Mashiny na ego baze", Part 2, Moscow, Frontovaya Illustratsiya/Frontline Illustration No. 4/2003)