Record Cards from 20137 whilst based at Thornaby TMD (TE).
These records date from December 1988. - Page 1 is not available.
20137 (D8137) Was Withdrawn From Service By BR in
December 1992 from the FMRY pool based at Thornaby TMD (TE).
This locomotive is now Preserved at the Gloucester and Warwickshire Railway.
More information can be found here
Wikipedia - BR Class 20 -
Class 20 Locomotive Society