Record Cards from 31101 whilst based at Crewe Diesel Depot (CD) to which the locomotive was transferred from Immingham (IM).
These records date from 1989. - Page 1 is not available.
31101 (D5518) Was Withdrawn From Service in January 1993 from the IHFB pool based at Bescot TMD (BS)
this locomotive is currently preserved by Shakerstone-Diesels at the Battlefield Line more info can be found Preserved-Diesels.

More information can be found here Wikipedia - BR Class 20  -  A1A Locomotives - Preserved-Diesels Website