T1000 is a rapid 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. Since they are not equipped with pantographs, they cannot operate on Holmenkollbanen (Line 1), that is served by the newer T2000 units. The units will be replaced by the MX3000 that will be delivered in the period 2007 to 2010.