Manufacturing Centers: Magdeburg (Krupp-Grusonwerk AG: Pz.IV); Plauen (Vogtlaendische Maschinenfabrik AG: Pz.IV); Berlin (Alkett & Daimler-Benz AG: Pz.III [Alkett was a subsidiary of Rheinmetall-Borsig]); Kassel (Henschel & Sohn AG, Waggonfabrik Wegmann AG: Pz.III); Nurnberg (Maschinenfabrik Augsburg Nurnberg AG: Pz.III); Hannover (Maschinenfabrik Niedersachen Hannover, GmbH: Pz.III); Braunschweig (Muehlenbau und Industrie AG (MIAG): Pz.III); Breslau (Fahrzeug und Motorenbau, GmbH (FAMO): Pz.II); Pilsen (Böhmisch-Mährische Maschinenfabrik AG: Pz.38(t))
Tank Engines: Friedrichshafen (Maybach Motorenbau:Maybach HL 120 TRM); Berlin (Norddeutsche Motorenbau)
Main Guns: Dusseldorf (Rheinmetall-Borsig AG:) 5cm Kw.K.38 L/42, 7.5cm Kw.K.37 L/24
New tanks: Pz.III Ausf J with long 5cm KwK 39 L/60 first introduced in December 1941 (40 built)
Manufacturing Centers: Leningrad (KV-1 until October 1941, T-50 July–August); Chelyabinsk (KV-1 from July 1941); Kharkov (T-34 until October 1941); Stalingrad (T-34, T-60); Gorkiy (T-34 from September 1941, T-60), Nizhniy Tagil (T-34, from December 1941); Moscow/Kolomna (T-60)
Tank Engines: V-2 Diesel engine (Zavod 75 in Kharkov)
Main Guns: 76.2mm F-34 gun (Zavod 92 in Gorky)
New tank models:
• T-34/76 Model 1941 with 76.2mm F-34 gun introduced in February 1941
• T-50 light tank with 45mm M1938 gun introduced in July 1941
• T-60 light tank with 20mm TNSh L/107 cannon introduced in September 1941