T1000 is a rapi transit multiple unit used on Oslo T-bane in Oslo, Norway. The stock was built by Strømmens Verksted, NEBB and AEG between 1966 and 1989. At total of 195 units were built in eight series named T1, T2, T3, T4, T5, T6, T7 and T8 . The T8 were rebuilt T4 unit and T5-T8 are often referred to as T1300.