T indicates a tank locomotive: in European practice, this is sometimes extended to indicate the type of tank locomotive: T means side tank, PT pannier tank, ST saddle tank, WT well tank.
T berarti lokomotif uap bertangki: di Eropa, kode ini menunjukkan jenis tangki lokomotif uap tersebut: seperti PT berarti pannier tank, ST berarti saddle tank, WT berarti well tank.