Record Cards from 37714 whilst based at Thornaby TMD (TE).
These records date from May 1992 - Last Classified Overhaul Ex-Works 18th October 1991.
37714 (D6724 37024) Was Withdrawn From Service in the WKBN pool and stored before being repaired and Exported on hire to Spain in the WZKS pool.
For More information regarding the WKZS pool Click Here

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