Class 13 'Master and Slave' shunter 13003 , an unexpected visitor at Swindon Works during the open day of 5th October 1980. Its pre-TOPS numbering was D4500, the first of three such units rebuilt from originally Darlington-built Class 08 shunters, the work being carried out at Darlington Works in 1965 (master D4188 and slave D3698) to work the Tinsley hump marshalling yard. After being outshopped from Swindon for further service at Sheffield Tinsley, 13003 was eventually withdrawn from service on 20th January 1985 and was disposed of at Doncaster Works in September 1986.