>There are still 6 morning peak and 4 afternoon peak suburban services >utilising loco hauled SX sets. These are normally hauled by 3900 EL, 1520 or >2400 DEL and occasionally a 2100 class. Once, the AM Shorncliffe service >(4A07/39P2) was worked with a 2300 (2322) Any more details on these trains? Specifics?Which are diesel. which are electric?