Repair Book from 40085 whilst based at York TMD (YK).
The book was new to the locomotive in September 1979.
40085 (D285) Was Withdrawn From Service whilst based at Longsight TMD (LO) in March 1984 and was scrapped by BREL - Doncaster Works in January 1985.

More information can be found here Wikipedia - BR Class 40  -  Class 40 Preservation Society  - Preserved-Diesels Website  -  WNXX.COM