Kammala jumla mai zuwa: Daga nan ya shiga cikin Fall Gelb a matsayin wani ɓangare na Army Group A, yana shiga cikin harin ta hanyar Ardennes. A watan Maris na 1941, an inganta rukunin zuwa matsayin rukunin motoci kuma an sake sanya shi III Armeekorps (mot). An haɗa Corps zuwa Army Group Kudu don Operation Barbarossa, mamayewar Tarayyar Soviet. Rundunar ta ci gaba ta hanyar Ukraine kuma ta shiga cikin
Yaƙin Brody, Yaƙin Kiev, Yaƙin Rostov, Yaƙin Kharkov da Yaƙin Uman.