King Tiger tank with zimmerit of the schwere Panzer Abteilung 503. Tank number 313
Unit: 3/Schwere Panzer-Abteilung 503 = 3rd company 503rd Heavy Tank Battalion
Tactical number: 313 = 3rd Company, 1st Platoon, 3rd Vehicle
Official German designation: Panzerkampfwagen VI B Königstiger
Ordnance inventory designation: Sd.Kfz.182
Tank classification: heavy tank