PzKpfw IVs Ausf F1 or F2  of 2nd Platoon, 1st Company of Panzertruppe GD (also known as Panzer Abteilung GD). The '0' is probably a HQ tank. The unusual unit markings used by these tanks were employed by the 1st Company for a short period during the unit's deployment in the Rzhev Salient, Russia, between September 1942 and early 1943.

Panzertruppe GD

The text says it was a Tiger who tried to cross a solid wooden bridge in Russia. But apparently the Tiger was too heavy.

Too heavy

PzKpfw III said to be a Ausf. M belonging to LSSAH , Belgorod region, Russia, 1943. Original color.