Record Cards from 37718 whilst based at Thornaby TMD (TE).
These records date from August 1991 - Last Classified Overhaul  - E/XAM Thornaby July 1991.
37719 (D6733 37033) Was Withdrawn From Service in the WKGN pool based at Toton TMD (TO) By EWS in December 1999
and scrapped by EMR - Kingsbury in January 2008.

More information can be found here Wikipedia - BR Class 37  -  Class 37 Locomotive Group - Preserved-Diesels Website