GB Railfreight’s Class 66 fleet: 100 not out!
THE reuse of TOPS locomotive numbers is still a rare occurrence despite the system having been in place for almost four decades.
Notable examples in the past include the renumbering of Class 37s Nos. 37303, 37304, 37306 and 37308 to 37271-37274 in January and February 1989 to avoid confusion with the new CP7-bogied
