Repair Book from 37797 whilst the loco was in service with EWS in 2002.
The book was new to the locomotive in August 2002.
37797 (D6781 37081) Was Withdrawn From Service in the WKAD pool based
at Toton (TO) in February 2003 and Scrapped by Booths at Rotherham in June 2006.
More information can be found here
Wikipedia - BR Class 37 -
Class 37 Locomotive Group
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Preserved-Diesels Website