313系8000番台は中央本線の「セントラルライナー」に使われた3両編成の電車です。一般仕様とは異なる外観と車内設備を持ち、転換クロスシートを備えています。
Series 313-8000 consists of three-car trains formerly used for Central Liner services on the Chuo Main Line. The trains have distinctive exterior and interior finishes compared with ordinary Series 313 variants, including reversible transverse seats.