Just a background read: http://en.wikipedia.org/wiki/BTR-60
Now there a four wheeled armored vehicles the Russian make, too: http://en.wikipedia.org/wiki/BRDM
There are many other and similar looking Western-made wheeled armored vehicles, too. It can get complicated, and people will die as a result just from shooters getting mixed up in their mind and at extended distances of shooting, especially at night and under poor weather conditions.
Also note that often the “passengers” ride on top of these perceived “iron coffins” for their own temperature and transportation reasons and beliefs. Also note which vehicles are gasoline powered vice diesel powered. Gasoline and diesel burn differently.