Class 6

Class 6 may refer to:

• Speed Class Rating, the official unit of speed measurement for SD Cards
• Class 6 vehicle
• British Rail Class 06, a class of 0-4-0 diesel-mechanical shunters
• 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, similar to a Post Exchange that carry items, including alcohol and related products
• NSB El 6, an electric locomotive of Norway
• NSB Di 6, a diesel locomotive of Norway
• TS Class 6, a tram of Trondheim, Norway