D1000 'Western Enterprise' is the loco in the main image in this March 1963 advert from Laycock Engineering Limited. The 74 diesel hydraulic locomotives were being fitted with their Layrub flexible couplings (also pictured) and their Laycock-Knorr brake components.
This advert appears in the following categories: Traction: Class 52 ; Supplier: Laycock Engineering ; Component: Brakes Cardan Shafts