TT3037M Class 37 EWS Co-Co No.37704 Diesel Electric LocomotiveReleased from Vulcan Foundry in March 1962, this locomotive went new to Hull Dairycoates depot as D6734. Under the BR TOPS reclassification scheme, it became Class 37 No. 37034 in March 1974. As built, the locomotive had split headcode boxes, which allowed for an end gangway door between them, but these were later removed. In January 1986, it became part of a dedicated heavy freight fleet of 44 locomotives which were given the sub classification 37 7