Gruppe Harteneck is an Axis Motorized division in Steel Division II. Gruppe Harteneck was a scratch-built combat group soon to become known as I. Kavallerie-Korps. By the time of Bagration, its ready units were hastily thrown against the advancing Soviet vanguards, latter reinforced with whatever became available.
At its core is the 4. Kavallerie-Brigade, a mounted infantry unit with a large dotation in MP-44 supported with light tanks (Luchs, Panzer II & Panzer III, some Beute T-34).
In the course of the battle, it was reinforced with half a battalion of Tigers, a tank destroyer battalion (the first one to get Jagdpanzer 38(t) ‘Hetzer’), …
All considered, this infantry and recon-centric force ended up with a lot of armors, yet a bit of a lot of different models, but suffer from a terrible weakness in the anti-aircraft department, being almost entirely dependent of Luftwaffe support to clear the sky above its head.