37051 & 47270 Clay Mills (Hargate) 28 March 1997

37051 Merehead has 47270 Cory Brothers 1842-1992 dead in tow, as it passes Clay Mills (Hargate) at midday on 28 March 1997 with an unidentified southbound freightliner. The 47 had clearly failed, but I have been unable to identity the working. Any information would be gratefully received.