D1015 achieved main line certification in 2002, since which it has hauled over 60 rail tours as far as Penzance in the south and Kyle of Lochalsh in the north.<ref>[http://www.westernchampion.co.uk/loco-d1015-railtour-archive.php D1015 Western Champion Railtour Archive]</ref> Its [[TOPS codes|TOPS number]] is 89416.
A notable occurrence was the rescue of an HST on 26 October 2002 at Daunsey. The HST had slipped to a stand and Champion took the train to Swindon. The engine issue in 2016 was issue with the B engine, during The Canterbury Champion rail tour.<ref>[http://www.westernchampion.co.uk/loco-d1015-railtour-archive-2013.php#tour060|The Canterbury Champion railtour]</ref> Champion returned to the mainline in on test on 17 September 2021 but unfortunately suffered another engine issue.
===Freight workings===