Class 7 may refer to: British Rail Class 07 BR Standard Class 7 HAZMAT Class 7 Radioactive substances L&YR Class 7 LMS Class 7F 0-8-0 NSB Class 7, a standard-gauge steam locomotive of Norway NSB Class VII, a narrow-gauge steam locomotive of Norway Class VII (U.S. Army), Major items: A final combination of end products which is ready for its intended use: (principal item) for example, launchers, tanks, mobile machine shops, vehicles NSB El 7, an electric locomotive of Norway NSB Di 7, a diesel locomotive of Norway Surface of class VII, non-algebraic complex surface TS Class 7, a tram of Trondheim, Norway Class 7 truck, a US truck class for heavy trucks up to 33,000 pounds weight limit