Class 8 may refer to: 8 Metre (keelboat), class of racing yacht British Rail Class 08, British diesel shunting engine BR Standard Class 8, British 4-6-2 steam locomotive First Class 8, French racing yacht GCR Class 8, British 4-6-0 steam locomotive HAZMAT Class 8 Corrosive Substances L&YR Class 8, British 4-6-0 steam locomotive NSB Class 8, Norwegian standard-gauge steam locomotive NSB Class VIII, Norwegian narrow-gauge steam locomotive NSB El 8, Norwegian electric locomotive NSB Di 8, Norwegian diesel locomotive SCORE Class 8, off-road racing trucks TT Class 8, tram of Trondheim, Norway Class 8 truck, US truck class for heavy trucks over 33,000 pounds weight limit