The Sd.Kfz. 251 was a German armored personnel carrier used during World War II. It was designed to transport infantry into battle and was equipped with machine guns for defensive fire. It was widely produced and used by the German Army. The Sd.Kfz. 251 was known for its reliability and versatility, and was used in various roles, including transporting troops, artillery, and supplies. It had a distinctive design with a large track area and overlapping road wheels.