Class 6 may refer to: BR Standard Class 6, British 4-6-2 steam locomotive Speed Class Rating, the official unit of speed measurement for SD Cards NSB Class 6, a standard-gauge steam locomotive of Norway NSB Class VI, a narrow-gauge steam locomotive of Norway Class VI (U.S. Army), personal demand items (nonmilitary sales items) Class Six Stores sell alcohol, and related items, such as mixers, soda, cigarettes, and drinking cups. Similar items are found at the POST or Base Exchange, but the primary function of Class Six Stores on military installations is alcohol sales. NSB El 6, an electric locomotive of Norway NSB Di 6, a diesel locomotive of Norway SCORE Class 6, off-road racing vehicles TS Class 6, a tram of Trondheim, Norway Class 6 truck, a US truck class for medium trucks, up to 26,000 pounds weight limit See also Class 06 (disambiguation)